Faculty Profiles - URABE Misako

Papers - URABE Misako

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Parasite fauna of Lake Biwa water system: A review on parasites using aquatic host organisms in their life cycle. Invited Reviewed

Urabe, M.

Parasitology International 2025.6

Seasonal change and phylogenetic position of Kamegainema cingula (Nematoda: Dracunculidae) parasitic in Japanese giant salamanders. Reviewed

Tsuchida, K., Urabe, M., and Nishikawa, K.

International Journal for Parasitology: Parasites and Wildlife 24 2025.4

Rejection of the concept of hemiurid genus Pulmovermis (Digenea: Hemiuridae) and and other taxonomic propositions: new morphological and molecular data regarding Lecithochirium cyanovitellosum (Coil and Kuntz, 1960) Urabe and Sokolov, comb. nov. (formerly P. cyanovitellosus). Reviewed International coauthorship

Urabe, M., Sasai, T. and Sokolov, S. G.

Systematic Parasitology 102 2025.1

Proposal to synonymize Neoplagioporus Shimazu, 1990 with Urorchis Ozaki, 1927; taxonomic revision and the description of Urorchis takahaya n. sp. Reviewed

Itsukushima, S., Gosho, M., Tsuchida, K. and Urabe, M.

Parasitology International 102 2025.1

Hidden diversity of Nippotaenia Yamaguti, 1939 (Cestoda: Nippotaeniidae) in a single fish-host species Reviewed International coauthorship

Sokolov, S. G., Vlasenko, P.G., Urabe, M., Atopkin, D.M., Reshetnnikov, A.N., Yang, P., Izotova, G. V., Shedko M. B. and Solovyev, M.M.

Hydrobiologia 7 1903 - 1920 2024.12

Redescription and molecular phylogeny of Megalobatrachonema nipponicum Yamaguti, 1941 (Nematoda: Cosmocercoidea: Kathlaniidae) Reviewed

Tsuchida, K., Urabe, M., Nishikawa, K.

Canadian Journal of Zoology 102 2024.12

Genomic evidence of reproductive isolation among the Semisulcospira snails radiated in the ancient Lake Biwa. Reviewed

Ueno, K., Urabe, M., Nakai, K. and Miura, M.

Journal of Evolutionary Biology 37 1055 - 1063 2024.9

Trematode species detection and quantification by environmental DNA-qPCR assay in Lake Chany, Russia. Reviewed International coauthorship

Gacad, J. L. J., Yurlova, N. I., Hosoi-Tanabe, S. and Urabe, M.

Journal of Parasitology 110 221 - 231 2024.6

Addressing the taxonomical confusion of Mesocoelium Odhner, 1910 (Trematoda: Plagiorchoida: Mesocoelidae) in Japanese uroderan and anuran amphibians Reviewed International coauthorship

Karin Tsuchida, Misako Urabe, Kanto Nishikawa, Masaki Hoso, Shu Ping Wu

Systematic Parasitology 101 ( 2 ) 2024.1

Molecular phylogenetic position and the life cycle of Phyllodistomum cyprini Feng et Wang, 1995 in Japan, with a note of larval Phyllodistomum sp. from unionid mussels in North America Reviewed International coauthorship

Gosho, M., Itsukushima, S., Collins, M. H., Dalton, I. T., Rosen, R. B. and Urabe, M

2023.9

和歌山県産アオリイカ（頭足綱・ヤリイカ科）の鰓に寄生していたキュウカジョウチュウ（吸花条虫）属の１種Anthobothrium sp. （条虫綱・”四葉目"）の幼虫 Reviewed

新田理人・松本優・浦部美佐子

タクサ 55 9 - 14 2023.8

本邦におけるバスジョウチュウProteocephalus ambloplitisの初報告 Reviewed

松本優・浦部美佐子

地域自然史と保全 41 ( 1 ) 51 - 59 2023.6

水域における外来寄生虫〜特に日本の淡水域において〜 Invited

浦部　美佐子

地域自然史と保全 45 ( 1 ) 5 - 14 2023.6

Characterization of the complete mitochondrial genome of Plagiorchis multiglandularis (Digenea, Plagiorchiidae): Comparison with the members of Xiphidiatan species and phylogenetic implications Reviewed International coauthorship

Gacad, J. L. J., Ponomareva, N. M., Yurlova, N. I., Urabe, M.

Parasitology Research 122 1545 - 1556 2023.5

First record of the natural first intermediate host of Lutztrema attenuatum (Dujardin, 1845), a cosmopolitan trematode of passerine birds Reviewed

Tsukasa Waki, Tsuyoshi Takano, Haruki Furusawa, Misako Urabe

Taxa, Proceedings of the Japanese Society of Systematic Zoology 54 59 - 66 2023.2

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japanese Society of Systematic Zoology Participation form：Joint(The vice charge)

The dicrocoeliid trematode Lutztrema attenuatum (Dujardin,
1845) has been reported from its definitive hosts, passerine
birds worldwide, whereas its larvae have never been detected
in natural fields. In this study, 41 adults of Lu. attenuatum were
obtained from dead specimens of Turdus pallidus Gmelin,
1789 and T. eunomus Temminck, 1831, and the partial sequence
of the mitochondrial COI gene and nuclear 28S rDNA
were determined from one of the specimens as DNA barcodes.
Furthermore, during a land snail survey in Tokyo, Japan on 11
August 2021, dicrocoeliid sporocysts and cercariae were detected
from the achatinid Allopeas satsumense (Pilsbry, 1906).
The partial COI sequence of the sporocysts showed a p-distance
value of less than 1.4% to that of the adult Lu. attenuatum.
The sporocyst was identified molecularly as Lu. attenuatum
based on an empirical intraspecific genetic variation in
dicrocoeliids, and thus A. satsumense found to be its first intermediate
host. We also provided DNA barcodes to an adult
specimen of Lyperosomum sp. (Dicrocoeliidae) detected from
the same dead specimen of T. pallidus.

DOI： doi.org/10.19004/taxa.54.0_59

The complete mitogenome of Echinoparyphium aconiatum (Digenea: Echinostomatidae) and a comparison with other digenean species Reviewed

Gacad J.L.J., Tanabe-Hosoi S., Yurlova N.I., Urabe M.

Parasitology International 92 2023.2

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology International

Echinoparyphium aconiatum (Digenea: Echinostomatidae) is an intestinal parasite of anatid and snail-eating birds. In Eurasia, it is also common in lymnaeid snails, which may serve as the first and second intermediate hosts. The systematics of its genus, Echinoparyphium, have long been inadequate, with poor descriptions and extensive synonymy. To provide a basis for developing new genetic markers for studies of the identification and systematics of echinostomatids, the complete Ep. aconiatum mitogenome is described and compared with other digeneans. The circular mt molecule of this species is 14,865 bp in length, with an average A + T content of 64.33%. It contains 12 protein-coding genes and 22 transfer RNA genes. The 3′ end of nad4L overlaps the 5′ end of nad4 by 40 bp, while the atp8 gene is absent. Twenty-one transfer RNA genes transcribe products with conventional cloverleaf structures, while one transfer RNA gene has unpaired D-arms. Comparative analyses indicate that Echinoparyphium aconiatum is closely related to Echinochasmus japonicus and Echinostoma miyagawai. The phylogenetic results, using our mitochondrial data indicated Ep. aconiatum as a sister taxon of Hypoderaeum conoideum in a monophyletic clade. Our data and analyses serve as the first representative sequenced mt genome from genus Echinoparpyhium, providing additional markers to clarify the taxonomic position of Ep. aconiatum.

DOI： 10.1016/j.parint.2022.102682

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Two new kathlaniid species (Nematoda: Cosmocercoidea) parasitic in salamanders of the genus Andrias (Amphibia: Caudata: Cryptobranchidae) Reviewed

Tuschida K., Urabe M., Nishikawa K.

Parasitology International 92 2023.2

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology International

The new nematode species, Falcaustra hanzaki n. sp. and Urodelnema takanoensis n. sp. (Cosmocercoidea: Kathlaniidae), were found from the intestine of giant salamanders in Kyoto Prefecture, Japan. The first species is featured by the number and arrangement of caudal papillae (3 pairs of precloacal papillae, 8 pairs of postcloacal papillae and a single ventral precloacal papilla), the presence of a single pseudosucker, spicules equal in size (520–638 μm long), and V-shaped gubernaculum in males; vulva situated about 3/5 of a body in females. The second species is characterized by the number and arrangement of caudal papillae (5 pairs of precloacal papillae, 6 pairs of postcloacal papillae and a single ventral precloacal papilla), spicules equal in size (403–593 μm long), V-shaped gubernaculum in males; vulva situated about 3/5 of a body in females. The molecular phylogenetic analysis was performed using the partial 18S and 28S ribosomal DNA and the internal transcribed spacers 1 region in the nuclear DNA. This phylogenetic study raised a question about the validity of Family Kathlaniidae and related families of Cosmocercoidea.

DOI： 10.1016/j.parint.2022.102693

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Invasion of the fish parasite Prosorhynchoides ozakii (Trematoda: Bucephalidae) into Lake Kasumigaura and the surrounding rivers of eastern Japan. Reviewed

Makito Hayashi, Yoshihiko Sano, Takanori Ishikawa, Tomiji Hagiwara, Mizuki Sasaki, Minoru Nakao, Misako Urabe, Tsukasa Waki

Disease of Aquatic Organisms 152 47 - 60 2022.11

Language：English Publishing type：Research paper (scientific journal) Participation form：Joint(The vice charge)

In 2019 to 2021, the golden mussel Limnoperna fortunei and several freshwater fishes were sampled from 22 sites of the Tone River system including Lake Kasumigaura, Honshu, Japan, to examine the invasion of bucephalid trematodes. The parasite species identification was performed by morphological observation and DNA barcoding based on the sequences of nuclear 28S rDNA and mitochondrial cytochrome c oxidase subunit 1 (cox1). A total of 1719 mussels were collected from 10 sites, and trematode-infected mussels were detected from 8 sites with prevalences between 0.3 and 42.9%. The sporocysts and cercariae were identified as Prosorhynchoides ozakii, a newly introduced species in the river system. A total of 700 fish individuals belonging to 24 species were collected from 15 sites. Two species of catfishes (Silurus asotus and Ictalurus punctatus) harbored mature or immature adults of Pr. ozakii in the intestine with prevalences between 8.3 and 20% including both host species. The metacercariae of Pr. ozakii were found from the fins and epidermis of 13 fish species from 10 sites (prevalence 4.8-100%). Fishes were heavily infected with metacercariae in fins, which were surrounded by the infiltration of hemocytes and rodlet cells. A population genetic analysis of Pr. ozakii did not show an obvious bottleneck, suggesting the possibility that the parasite was intentionally and repeatedly introduced into the river system.

DOI： 10.3354/dao03698

Phylogeography of Rhabdias spp. (Nematoda: Rhabdiasidae) collected from Bufo species in Honshu, Shikoku, and Kyushu, Japan including possible cryptic species Reviewed

Marcaida A.J.B., Nakao M., Fukutani K., Nishikawa K., Urabe M.

Parasitology International 90 2022.10

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology International

The genus Rhabdias Stiles & Hassall, 1905 comprises lung parasites of amphibians and reptiles worldwide. In Japan, 9 species have been recorded, including Rhabdias incerta Wilkie, 1930 which has been reported only in Bufo species. In this study, to assess the diversity of R. incerta, we performed molecular analyses of Rhabdias species sampled from three species/subspecies of Japanese toads namely Bufo japonicus, B. japonicus formosus, and B. torrenticola, collected in various regions of Honshu, Shikoku, and Kyushu, Japan. DNA sequence divergence was compared using mtDNA (COI) and nuclear DNA (28S) to identify possible cryptic species. Morphological analysis was performed through light microscopy and scanning electron microscopy (SEM). The results revealed that Bufo spp. serve as hosts for at least three Rhabdias species. Morphologically, most samples were identified as R. incerta but with a longer body and larger buccal cavity than originally described. Rhabdias incerta appears to be specific to the genus Bufo and is further subdivided into two or three phylogroups based on subspecies divisions and biogeography of their host. Some Rhabdias specimens collected in this study resemble R. tokyoensis Wilkie, 1930, parasitic in hosts from the order Caudata, which suggests host switching. Both molecular and morphological analyses suggested the presence of undescribed and cryptic Rhabdias species within toads collected in Japan. This study was the first to molecularly characterize Rhabdias species in Japan, including novel sequences of R. incerta and two undescribed species.

DOI： 10.1016/j.parint.2022.102612

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A record of juvenile Paragonimus skrjabini miyazakii from the urinary bladder of the Japanese toad, Bufo japonicus formosus Reviewed

Urabe M., Marcaida A.J.B.

Parasitology International 86 2022.2

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology International

We found juveniles of Paragonimus in the urinary bladder of a Japanese toad (Bufo japonicus formosus) captured in Kyoto. These were molecularly identified as Paragonimus skrjabini miyazakii Kamo, Nishida, Hatsushika et Tomimura 1961. This is the first report of P. s. miyazakii found in anuran hosts in Japan, indicating that anurans can be paratenic hosts of P. s. miyazakii, as is also the case for Paragonimus skrjabini skrjabini in China. This finding suggests that definitive hosts of P. s. miyazakii can be infected by eating not only crabs or mammal paratenic hosts, but also anurans.

DOI： 10.1016/j.parint.2021.102474

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Integrative approach for discovering of the new species within the genus Allocreadium Looss, 1900 (Trematoda: Allocreadiidae) and framing of biogeographical hypotheses for the genus Reviewed

Vainutis K.S., Voronova A.N., Urabe M., Kazarin V.M.

Systematic Parasitology 2022.1

Language：English Publishing type：Research paper (scientific journal) Publisher：Systematic Parasitology

In July 2012 new Allocreadium species was isolated from Carassius gibelio caught in the Arsenyevka River, Primorsky region, Russia. Analyses on the morphometrics and internal organs′ topology revealed that these worms are morphologically closest with A. isoporum but both species are independent according to high genetic distances based on the 28S gene fragment (5.434±0.0073%). Unlike A. isoporum found earlier in Europe, the new species named A. pseudoisoporumsp. nov. has a shorter body length and the vitellarium not reaching the posterior end of the body at some distance and its anterior border is on the level of the ventral sucker. Allocreadium pseudoisoporumsp. nov. differs from seven species previously found in the Russian Far East with the following features: smaller size of the body, suckers′ ratio, range values, and topology of internal structures. Newly localities in the Pavlovka River and the Artyomovka River were discovered for A. khankaiensis. Morphological variability of the worms from the Pavlovka River was observed in comparison with A. khankaiensis from the Komissarovka River. Using scanning electron microscope, we examined external surfaces of three species (A. pseudoisoporumsp. nov., A. khankaiensis, A. hemibarbi) and observed structures reminiscent sensory receptors. This study was aimed to describe species diversity of allocreadiids inhabiting the south of Primorsky region, and to clarify phylogenetic relationships between the species from the genus Allocreadium Looss, 1900 using molecular genetic methods. The phylogenetic Bayesian tree based on the 28S gene showed a clear separation of ten Allocreadium species and confirmed the validity of A. pseudoisoporumsp. nov.Allocreadium pseudoisoporumsp. nov. is most similar to A. gotoi (genetic distances – 3.578±0.0051% in 28S, and 18.777±0.0149% in cox1), and represented the earliest divergent lineage in Allocreadium clade on the phylogenetic tree based on the 28S gene, thereby indicating its proximity to the ancestral node. Also, dichotomous keys for 25 Palearctic species of Allocreadium were prepared based on the morphology of the adult worms.

DOI： 10.1007/s11230-022-10081-1

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琵琶湖沿岸に生息するエビノコバンTachaea chinensisの宿主利用. Reviewed

前田陽也，浦部美佐子

陸水研究 8 2022

Three species of Exorchis Kobayashi, 1921 (Digenea: Cryptogonimidae) in the East-Asian region: Morphological and molecular data Reviewed

Solodovnik D.A., Tatonova Y.V., Urabe M., Besprozvannykh V.V., Nakao M., Inoue K.

Parasitology 148 ( 13 ) 1578 - 1587 2021.11

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology

New data have been obtained for three representatives of Exorchis; Exorchis convictus sp. n., Exorchis oviformis and Exorchis sp., from fish in the East-Asian region. For the first time, based on combined sequences of the ITS2 rDNA region and the 28S rRNA gene, Exorchis is confirmed to belong Cryptogonimidae. Based on analysis of a mitochondrial marker (cox1), the 'Japanese' and 'Russian' haplogroups are identified for E. oviformis isolated from Silurus asotus. One specimen of E. oviformis obtained in Japan is identical to the 'Russian' haplotype. Haplotype patterns are also observed for metacercariae of Exorchis sp. from Tanakia lanceolata and Carassius sp. fish in Kyushu Island (Japan).

DOI： 10.1017/S0031182021001232

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Systematics of Crepidostomum species from the Russian Far East and northern Japan, with description of a new species and validation of the genus Stephanophiala Reviewed

Vainutis K.S., Voronova A.N., Urabe M.

Parasitology International 84 2021.10

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology International

Current article touched upon the issue of the complicated taxonomic status of some species from the genus Crepidostomum collected from the freshwater fish in the rivers of Primorsky region, Sakhalin, and Hokkaido Islands. Primary morphological analyses showed affiliation of the worms to the species C. farionis (Müller, 1784) Lühe, 1909; C. metoecus Braun, 1900b; C. chaenogobii Yamaguti and Matsumura, 1942; C. nemachilus Krotov, 1959. We described the new species Crepidostomum achmerovi sp. nov. that is a sibling species of C. nemachilus. Molecular-genetic investigation have shown that C. nemachilus and C. achmerovi sp. nov. are closely related to C. metoecus in both 28S rDNA and cox1 mtDNA markers. Crepidostomum nemachilus forms a separate branch within the C. metoecus clade on the 28S BI tree with strong statistical support and separate clade in relation to C. metoecus clade on the cox1 BI tree. Values of p-distances between Crepidostomum species were at intergeneric level. Crepidostomum metoecus species complex including five species (C. metoecus, C. nemachilus, C. oschmarini, C. brinkmanni, and C. achmerovi sp. nov.) was reconsidered as independent genus Crepidostomum sensu stricto. Minimum Spanning Network showed that C. nemachilus, C. metoecus and C. achmerovi sp. nov. were separated by large number of mutational events and represent independent phyletic lines. An amended diagnosis is provided for the subfamily Crepidostomatinae, the genera Crepidostomum s. str. and Stephanophiala Nicoll, 1909, along with keys to species of both genera.

DOI： 10.1016/j.parint.2021.102412

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A new species of hemiuroidean trematode from Hatcheria macraei (Siluriformes, Trichomycteridae) and Heleobia hatcheri (Gastropoda, Cochliopidae) in a Patagonian River Reviewed

Tsuchida K., Urabe M., Viozzi G., Rauque C., Flores V.

Parasitology Research 120 ( 7 ) 2523 - 2532 2021.7

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology Research

A new hemiuroidean species, Genarchella pichileufuensis n. sp. (Derogenidae: Halipeginae), was found in the stomach of the siluriform freshwater fish, Hatcheria macraei (Girard, 1855), in the Pichileufu River, Patagonia, Argentina. Its rediae with immature cystophorous cercariae were found in the snail Heleobia hatcheri (Pilsbry, 1911) in the same site. The present new species is morphologically featured by having a cyclocoel in the hindbody unlike the other species of the genus. The characteristics of this species allowed us to amend the diagnosis of the genus Genarchella as follows: cyclocoel present or absent; testes symmetrical to tandem; ootype pouch present. In the phylogenetic analysis, G. pichileufuensis forms a well-supported clade with Genarchella spp. recovered from Mexican freshwater fishes. This clade is included in the cluster of representatives of the subfamily Halipeginae. So far, three hemiuroidean species, Thometrema patagonica (Szidat, 1956), Derogenes lacustris Tsuchida, Flores, Viozzi, Rauque et Urabe, 2021 and G. pichileufuensis n. sp., have been reported from freshwater fishes in Argentinean Patagonia.

DOI： 10.1007/s00436-021-07210-y

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Hemiuroidean trematodes from freshwater Patagonian fishes: description of a new species, distribution and molecular phylogeny Reviewed

Tsuchida K., Flores V., Viozzi G., Rauque C., Urabe M.

Parasitology Research 120 ( 4 ) 1219 - 1232 2021.4

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology Research

A new trematode species, Derogenes lacustris Tsuchida, Flores, Viozzi, Rauque et Urabe n. sp. (Derogenidae: Derogeninae), from freshwater fishes is described using morphological and molecular approaches in Argentinean Patagonia. D. lacustris is the most common hemiuroidean species in the Limay River basin and parasitizes almost all the native and introduced Patagonian freshwater fish. This new species could be considered as the unique freshwater species in the genus Derogenes Nicoll, 1910. Another hemiuroidean species, Thometrema patagonica Szidat (Archiev Hydrobiol 51: 542–577, 1956) Lunaschi et Drago 2000 (Derogenidae: Halipeginae), is found from Percichthys trucha (Perciformes) in the Neuquén River basin. Its diagnosis and molecular data are provided by the present study. In the molecular analysis of the Patagonian hemiuroideans, T. patagonica composes a group with halipeginean species in the phylogenetic tree of 28S rDNA sequences, while D. lacustris is not included in the same group. D. lacustris also shows low intraspecific variation in COI sequences regardless of the localities or host species.

DOI： 10.1007/s00436-020-06939-2

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The first survey for helminths parasitic in hybrid and introduced giant salamanders, genus Andrias (Amphibia: Caudata: Cryptobranchidae) in Kyoto, Japan Reviewed

Tsuchida, K., Urabe, M., Nishikawa, K. (2021)

Current Herpetology 40 109 - 119 2021

Paraharmotrema karinganiense n. gen., n. sp. (Digenea: Liolopidae) infecting the intestine of serrated hinged terrapin (Pelusios sinuatus), east African black mud turtle (Pelusios subniger), and South African helmeted turtle (Pelomedusa galeata) and a phy Reviewed International journal

Dutton, H. A., L. H. DuPreez, M. Urabe, S. A. Bullard

Journal for Parasitology: Parasites and Wildlife 17 43 - 52 2021

First report of post-cyclic transmission in trematodes: Derogenes lacustris (Digenea: Hemiuroidea) in Patagonian freshwater fishes. Reviewed International journal

Tsuchida, K., C. Rauque, G. Viozzi, V. Flores, M. Urabe

Parasitology 18 2021

Ancient drainage networks mediated a large-scale genetic introgression in the East Asian freshwater snails Reviewed International journal

Miura, O., Urabe, M., Mori, H., Chiba, S.

Ecology and Evolution 2020.7

Language：English Publishing type：Research paper (scientific journal) Participation form：Joint(The vice charge)

Biogeography and genetic variation of freshwater organisms are influenced not only by current freshwater connections but also by past drainage networks. The Seto Inland Sea is a shallow enclosed sea in Japan, but geological evidence showed that a large freshwater drainage had intermittently appeared in this area between the late Pliocene and Pleistocene. Here, we demonstrated that this paleodrainage greatly affected the genetic variation of the East Asian freshwater snails, Semisulcospira spp. We found that the mtDNA haplotypes originated in the Lake Biwa endemic Semisulcospira species at the upstream side of the paleodrainage were frequently observed in the riverine Semisulcospira species at its downstream side. The genome-wide DNA and morphological analyses consistently showed that there was no clear evidence of nuclear introgression between the Lake Biwa endemics and riverine species. These results suggest that the large paleodrainage had facilitated mitochondrial introgression and had broadly spread the introgressed mtDNA haplotypes to its downstream region around the Seto Inland Sea. Our study highlights the role of paleodrainages in shaping the genetic variation of freshwater organisms.

DOI： 10.1002/ece3.6523

Other Link： https://onlinelibrary.wiley.com/doi/full/10.1002/ece3.6523

Description and molecular characteristics of Morishitium polonicum malayense Urabe, Nor Hashim & Uni, n. subsp. (Trematoda: Cyclocoelidae) from the Asian glossy starling, Aplonis panayensis strigata (Passeriformes: Sturnidae) in Peninsular Malaysia. Reviewed International journal

Urabe, M., Nor Hashim, N. E., Uni, S., et al.

Parasitology International 76 2020.6

Language：English Publishing type：Research paper (scientific journal) Publisher：日本寄生虫学会 Participation form：Joint(The main charge)

We describe Morishitium polonicum malayense n. subsp. from Asian glossy starlings (Aplonis panayensis strigata) (Horsfield, 1821) (Passeriformis: Sturnidae) caught in Malaysia. The trematodes had parasitized the air sacs and the thoracic and body cavities of 40 out of 67 (59.7%) birds examined. The specimens each had an oral sucker, a postpharyngeal genital pore, and tandem testes, but lacked a ventral sucker. The morphological characteristics of our specimens were similar to those of M. polonicum polonicum (Machalska, 1980) from Poland. However, the anterior extremity of vitelline follicles of the present specimens sometimes extended to the level of pharynx. The oral sucker width, oral sucker width/pharynx width ratio, and intertesticular space metrics differed from those of M. p. polonicum. The maximum-likelihood trees based on the cytochrome c oxidase subunit I (COI) and the internal transcribed spacer 2 (ITS2) sequences indicated that the species from the present study formed a sister group with M. p. polonicum from the Czech Republic. The p-distances of COI and ITS2 sequences between the present specimens and M. p. polonicum from the Czech Republic were 6.9–7.5% and 0.6%, respectively. These genetic divergences indicate the border for intra- or interspecific variation of digeneans. The definitive host species and geographical distribution of the current specimens were distinct from those of M. p. polonicum from Europe. We thus concluded that the present specimens are ranked as a new subspecies of M. polonicum, namely M. polonicum malayense n. subsp.

DOI： 10.1016/j.parint.2020.102074

Do atypical 15N and 13C enrichment in parasites result from isotope ratio variation of host tissues they are infected? Reviewed International journal

Kamiya, E., Urabe, M. Okuda, N.

Limnology 21 139 - 149 2020.1

Language：English Publishing type：Research paper (scientific journal) Publisher：日本陸水学会 Participation form：Joint(The main charge)

Contrary to a general rule of stable isotope trophic discrimination, parasites show great variation in isotope discrimination from their host muscle tissues. One of the possible mechanisms is that isotopic variation among host tissues may cause apparent deviation from the actual isotope discrimination between a parasite and a given host tissue consumed by the parasite. To test this possibility, we measured δ15N and δ13C for some fish parasites and a variety of their host tissues to estimate their actual trophic discrimination factors (Δ). All of the trematodes investigated showed positive Δ15Ν values and nearly zero Δ13C values, which are comparable to those of free-living consumers. Cestodes and nematodes showed great variations in their Δ15Ν and Δ13C values when they were compared to a particular tissue/mucus of their infection site. Acanthocephalans showed negative Δ15Ν and Δ13C values in comparison with host intestinal mucus, and a crustacean had δ values similar to those of host blood. Even in parasites infected to intestine, Δ15Ν and Δ13C values varied among higher taxa. These results suggested that atypical 15N and 13C enrichment of parasites is not caused by the variation in δ values among host tissues, but possibly by metabolic processes unique to each parasite taxon.

Morphological and molecular studies of Eudiplozoon nipponicum (Goto, 1891) and Eudiplozoon kamegaii sp. n. (Monogenea; Diplozoidae). Reviewed International journal

Nishihira, T., Urabe, M

Folia Parasitologica 67 2020

The curious case of the endemic freshwater crocodile Crocodylus mindorensis as incidental host of marine fish acanthocephalan Reviewed International journal

Marcaida, A. J. B., Urabe, M., Briones, J. C. A., Diesmos, M. L. L., Tellez, M, Diesmos, A. C.

Parasitology International 72 2019.10

Language：English Publishing type：Research paper (scientific journal) Publisher：日本寄生虫学会 Participation form：Joint(The vice charge)

We performed the first host-parasite survey of the Philippine crocodile, Crocodylus mindorensis, a critically endangered species for which ecological information is lacking. We collected by gastric lavage samples of the stomach contents of crocodiles (n = 10) residing at the Palawan Wildlife Rescue and Conservation Center in Puerto Princesa, Palawan, Philippines. The only parasite detected was an acanthocephalan, which was identified as Neorhadinorhynchus nudus (n = 68), a parasite typically found in the marine fish species consumed by three crocodile individuals. Given the known hosts of N. nudus, its parasitism of C. mindorensis in captivity is likely established by consumption of marine fish. Our findings have implications for the conservation management of C. mindorensis, particularly in terms of preventing introduction of parasites that could lead to development of infectious disease or alter the fitness of captive animals.

DOI： 10.1016/j.parint.2019.101940

Other Link： https://www.sciencedirect.com/science/article/pii/S1383576919300078?via%3Dihub

Redescription and supplementary molecular characteristics of Aspidogaster ijimai Kawamura, 1915 (Trematoda, Aspidogastrea, Aspidogastridae), a parasite of Cyprinus carpio Linnaeus, 1758 s. lato (Actinopterygii) and freshwater bivalves in East Asia Reviewed International journal

S.G.Sokolov, D.M.Atopkin, M.Urabe

Parasitology International 71: 71 167 - 176 2019.8

Language：English Publishing type：Research paper (scientific journal) Participation form：Joint(The vice charge)

A detailed morphological description and ribosomal DNA (rDNA) sequence molecular data for Aspidogaster ijimai from Japan are provided. Morphological analysis, including a description of the cirrus-sac, indicate the conspecificity of Japanese and continental East Asian A. ijimai specimens. Analysis of ITS1-5.8S-ITS2 rDNA sequences of Japanese, Chinese and Russian specimens confirmed the morphological results. Phylogenetic analysis using ITS rDNA sequences confirmed that A. ijimai is a sister species for Aspidogaster chongqingensis. Median-joining network analysis showed an initial molecular differentiation step of Russian specimens from group of Japanese-Chinese samples. Our 28S rDNA results based on maximum likelihood (ML) and Bayesian (BI) phylogenetic analyses indicated well-supported monophyly of the Aspidogaster conchicola + A. ijimai group, a finding that indicates that these species are congeneric. At the same time, our data demonstrated that the genus Lobatostoma is paraphyletic and the family Aspidogastridae is polyphyletic, results that confirm previous studies.

Other Link： https://www.sciencedirect.com/science/article/pii/S1383576919300480

Phylogenetic analysis of the superfamily Hemiuroidea (Platyhelminthes, Neodermata: Trematoda) based on partial 28S rDNA sequences Reviewed

Sokolov S., Atopkin D., Urabe M., Gordeev I.

Parasitology 146 ( 5 ) 596 - 603 2019.4

Language：English Publishing type：Research paper (scientific journal) Publisher：Parasitology

© Cambridge University Press 2018. In the present paper, the phylogenetic relationships between genera, subfamilies and families of the Hemiuroidea are explored. Twelve new sequences of 28 rDNA and data taken from GenBank (NSBI) on 43 species affiliated to 34 genera were included in the analysis. Most of the hemiuroidean trematodes form two highly supported clades (A and B), which are sister groups to each other. Hemipera manteri joined with Gonocerca spp. with moderate statistical support. This clade is basal relative to the clades A and B. Dilade A is polytomic and contains representatives of the families Accacoeliidae, Syncoeliidae, Didymozoidae, Hirudinellidae and Sclerodistomidae, and derogenid subfamilies Derogeninae and Halipeginae. At the same time, the Syncoeliidae, Hirudinellidae and Accacoeliidae form a well-supported monophyletic group. The phylogenetic relationship between Derogeninae and Halipeginae is poorly resolved. Dilade B unites the isoparorchiid, bunocotylid, lecithasterid and hemiurid trematodes. Our data re-establishes the family Bunocotylidae, which consists of two subfamilies, Opisthadeninae and Bunocotylinae, and the Machidatrema chilostoma + Hysterolecithoides frontilatus group. The Bunocotylidae is the sister group to the Hemiuridae + Lecithasteridae group and the Isoparorchiidae is a basal relative to the representatives of these three hemiuroid families.

DOI： 10.1017/S0031182018001841

Scopus

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85056207384&origin=inward

Long-term dynamics of Metagonimus spp. (Trematoda; Digenea) in ayu fish (Plecoglossus altivelis) in Shizuoka Prefecture, Japan. Reviewed

Urabe, M. and Kino, H

陸水研究 5 00 - 00 2019

大学生アンケートによる水質指標生物の教育効果の検討 Reviewed

浦部美佐子・石川俊之・片野泉・石田裕子・野崎健太郎・吉冨友恭

陸水学雑誌 79 1 - 18 2018

Recent lake expansion triggered the adaptive radiation of freshwater snails in the ancient Lake Biwa. Reviewed

Miura, O., Urabe, M., Nishimura, T., Nakai, K., Chiba, S

Evolution Letters 2018

琵琶湖内湖の神上沼における魚類相 Reviewed

北野大輔・曽我部共生・浦部美佐子

地域自然史と保全 39 71 - 78 2017

Larval stages of Neoplagioporus elongatus (Goto and Ozaki, 1930) (Opecoelidae: Plagioporinae), with notes on potential second intermediate hosts. Reviewed

Yano, A. and Urabe, M

Parasitology International 66 181 - 185 2017

Unionid mussel composition and ditch environments in floodplain and alluvial fan geomorphic types: a case study of a Lake Biwa river basin. Reviewed

Nakano, M., Takakura, K., Morii, K., and Urabe, M

Limnology 18 41 - 49 2017

Taxonomic tools for the identification of Allogenarchopsis bareilliensis n. sp. (Digenea: Hemiuroidea: Derogenidae) from Channa striata of Rohilkhand, India based on light and scanning electron microscopic studies. Reviewed International journal

Gupta, N., Gupta, D., and Urabe, M.

Journal of Parasitic Disease 41 29 - 39 2017

Experimental infection of the digeneans to some congeneric snail species radiated in a single water system: Relative importance of local evolution and phylogenetic constraint. Reviewed

Urabe, M.

Parasitology International 65 221 - 226 2016

The life cycle and molecular phylogeny of a gorgoderid trematode recorded from the mussel Nodularia douglasiae in the Yodo River, Japan. Reviewed International journal

Urabe, M., Ishibashi, R. and Uehara, K.

Parasitology International 64 26 - 32 2015

Does cestode infection affect reproduction of the endangered golden venus chub, Hemigrammocypris neglectus ? Reviewed

Yoshimura, M., Miyata, A., Suzuki, N., and Urabe, M.

Limnology 16 203 - 207 2015

Unionid freshwater mussels in irrigation ditches are affected by physical environmental factors and proximity to paddy fields. Reviewed

Nakano, M., Yamamoto T., Takakura, K. and Urabe, M.

Zoological Science 32 378 - 382 2015

The first report of three acanthocephalan parasite species isolated from Philippine fishes. Reviewed

Briones, J. C. A, Papa, R. D. S., Cauyan G. A. and Urabe , M.

Helminthologia 52 384 - 389 2015

Across-population variation in sex ratio in invasive Japanese Potamopyrgus antipodarum (Caenogastropoda: Rissooidea: Hydrobiidae) Reviewed

Tatara Y., Hamada K., Urabe M., the Biology Club of Kojo High School

Limnology 15 185 - 190 2014

Revision of Isoparorchis Southwell, 1913 (Digenea, Hemiuroidea, Isoparorchiiidae), parasites of the air bladder of freshwater catfishes: a molecular and morphological study.

Shimazu T., Cribb T. H., Miller T. L., Urabe M., Ha N. V., Binh T. T., Shed'ko M. B.

Bulletin of National Museum of Nature and Science, Ser. A. 40 15 - 51 2014

Characterization of arginine kinase from the Caenogastropod Semisulcospira libertina, an intermediate host of Paragonimus westermani

Jarilla B. R., Uda K., Suzuki T., Acosta, L. P., Urabe, M., Agatsuma T.

The Journal of Mollscan Studies 2014

Invasion, dispersion, population persistence and ecological impacts of a freshwater mussel (Limnoperna fortunei) in the Honshu Island of Japan Reviewed International journal

Nakano D., Baba T., Endo, N., Nagayama S., Fujinaga A., Uchida A., Shiragane A., Urabe, M., Kobayashi T.

Biological Invasions 2014

ミシシッピアカミミガメが彦根城中堀に自生するオニバス群落に与える影響の検証。 Reviewed

曽我部　共生、浦部　美佐子、渡邊　輝世

地域自然史と保全 36 95 - 108 2014

Allocreadium tamoroko sp. nov. (Digenea, Allocreadiidae) parasitic in the intestine of the freshwater fish Gnathopogon elongates elongates (Cyprinidae) from Shiga Prefecture, Central Japan Reviewed

Shimazu T., Urabe M.

Bulletin of National Museum if Nature and Science, Ser. A. 39 69 - 72 2013

Allogenarchopsis gen. nov. (Digenea, Derogenidae, Halipeginae) parasitic in the intestine of freshwater fishes: a molecular and morphological study of adult and cercarial forms.

Urabe M., Shimazu T.

Bulletin of National Museum of Nature and Science, Ser. A. 39 119 - 130 2013

ナマズ腹口吸虫と尾崎腹口吸虫の分布拡大および新たに確認された宿主について Reviewed

馬場　孝, 浦部　美佐子

関西自然保護機構会誌 33 ( 2 ) 117 - 124 2011.12

Liolope copulans (Trematoda: Digenea: Liolopidae) parasitic in Andrias japonicus (Amphibia: Caudata: Cryptobranchidae) in Japan: life cycle and systematic position inferred from morphological and molecular evidence Reviewed

Parasitology International 60 181 - 192 2011.6

Digeneans (Trematoda) Parasitic in freshwater fishes (Osteichthyes) of the Lake Biwa basin in Shiga Prefecture, Central Honshu, Japan Reviewed

National Museum of Nature and Science Monographs 43 1 - 105 2011.3

Effects of infection with larval cestodes, Neogryporhuynchus cheilancristrotus on the growth, body shape and nuptial color of the cyprinid minnow, Hemigrammocypris rasborella Reviewed

Inoue M., Amano M., Suzuki N., Urabe M.

Bulletin of Kansai Organization for Natural Conservation 32 99 - 111 2010.12

絶滅のおそれのある淡水生物の寄生性蠕虫類

浦部美佐子

寄生虫分類形態談話会会報 26 4 - 12 2010.12

New records of Gordius specimens from Japan (Nematomorpha, Gordiida) Reviewed

Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut 106 1 - 6 2010.10

Seasonal dynamics of the fish parasite Neoplagioporus ayu (Digenea) in its definitive host, Plecoglossus altivelis, in the Chikugo River, Kyushu, Japan Reviewed

Limnology 11 167 - 170 2010.8

Morphological comparison of Lophotaspis from freshwater mollusks and turtles in Japan and China, with the correction of original description of Lophotaspis orientalis Faust and Tang, 1936 (Aspidogastrea: Aspidogasteridae) Reviewed

Urabe, M.

Parasitology International 58 255 - 257 2009.9

New records of hairworms (Nematomorpha, Gordiida) from Japan Reviewed

Species Diversity 14 131 - 135 2009.7

Seasonal dynamics and yearly change of metacercarial abundance of Parabucephalopsis parasiluri (Trematoda: Bucephalidae) in the second intermediate host in the Uji - Yodo River. Reviewed

Urabe, M., Nakai, K., Nakamura, D., Tanaka, M., Nakatsugawa, T., Ogawa, K.

Fisheries Science 75 63 - 70 2009.2

瀬田川・琵琶湖へのナマズ腹口吸虫Parabucephalopsis parasiluriの分布拡大 Reviewed

浦部　美佐子・田中　正治・中村　大悟

関西自然保護機構会誌 30 45 - 48 2008.6

The present distribution and issues regarding the control of the exotic snail Potamopyrgus antipodarum in Japan Reviewed

Urabe, M.

japanese Journal of Limnology 68 491 - 496 2007.12

Morphological description of two bucephalid trematodes collected from freshwater fishes in the Uji River, Kyoto, Japan. Reviewed

Urabe, M., Ogawa, K., Nakatsugawa, T., Nakai, K. and Wang, G. T.

Parasitology Internaitonal 56 ( － ) 269 - 272 2007.4

Relationship between grooming and tick threat in sika deer Cervus nippon. Reviewed

Yamada, M. and Urabe, M.

Mammal Study 32 ( － ) 105 - 114 2007.4

滋賀県における外来種コモチカワツボの現状。 Reviewed

西田　孝征・浦部　美佐子

関西自然保護機構会誌 28 ( － ) 183 - 192 2007.4

吸虫セルカリアにおける銅・亜鉛および塩素の毒性。 Reviewed

兒玉裕美子・浦部美佐子

水環境学会誌 29 ( － ) 157 - 162 2006.4

Demonstration of migration of juvenile cyprinid fish using parasite biomarkers. Reviewed

Urabe, M.

Landscape and Ecological Engineering 2 ( － ) 209 - 216 2006.4

淡水魚腸内寄生虫に対する重金属毒性検出の試み。 Reviewed

林村・浦部美佐子・吉塚和治

水環境学会誌 29 ( － ) 333 - 337 2006.4

A new trematode species Neoplagioporus kajika sp. n. (Digenea: Opecoelidae), parasitic in the Japanese fluvial sculpin, Cottus pollux (Osteichthyes: Scorpaeniformes: Cottidae), from Japan. Reviewed

Urabe, M. and Higa, E.

Folia Parasitologica 53 ( － ) 208 - 210 2006.4

Shimazu, T. and Urabe, M. (2005) Digeneans found in freshwater fishes of the Uji River at Uji, Kyoto Prefecture, and the Takami River at Higashiyoshino, Nara Prefecture, Japan

Shimazu, T. and Urabe, M.

Journal of Nagano Prefectural Collage 60 1 - 14 2005.12

Cercariae of a species of Philophthalmus detected in a freshwater snail, Semisulcospira libertina, in Japan. Reviewed

Urabe, M.

Parasitology International 54 ( － ) 55 - 57 2005.4

Digeneans found in freshwater fishes of the Uji River at Uji, Kyoto Prefecture, and the Takami River at Higashiyoshino, Nara Prefecture, Japan.

Shimazu, T. and Urabe, M.

J. Nagano Pref. Coll 60 ( － ) 1 - 14 2005.4

Life cycle of Coitocoecum plagiorchis (Trematoda: Digenea: Opecoelidae). Reviewed

Yoshida, R. and Urabe, M.

Parasitology International 54 ( － ) 237 - 242 2005.4

Drift and Upstream Movement of Semisulcospira libertina (Caenogastropoda: Pleuroceridae) in a Natural Stream Reviewed

Shimada K, Urabe M.

Venus 63 49 - 59 2004.12

Component community dynamics of larval trematodes in the freshwater snail Semisulcospira nakasekoae in the Uji River, central Japan Reviewed

Urabe, M. and Hinoue, M.

Journal of Helminthology 78 361 - 370 2004.12

Relationship between intermediate host taxon and infection by nematodes of the genus Rhabdochona Reviewed

Hirasawa, R. Urabe, M. and Yuma, M.

Parasitology International 53 89 - 87 2004.6

Ephemera strigata (Insecta: Ephemeroptera: Ephemeridae) is the intermediate host of the nematodes Rhabdochona denudata honshuensis and R. coronacauda in Japan. Reviewed

Hirasawa, R. and Urabe, M.

Journal of Parasitology 89 617 - 620 2003.12

Comparative Ecology of the Alien Freshwater Snail Potamopyrgus antipodarum and the Indigenous Snail Semisulcospira spp. Reviewed

Shimada K, Urabe M.

62 39 - 53 2003.12

Trematode fauna of prosobranch snails of the genus Semisulcospira in Lake Biwa and the connected drainage system Reviewed

Parasitology International 52 21 - 34 2003.6

寄生虫を指標とした魚類の移動状況

浦部美佐子・萱場裕一

土木技術資料 44 56 - 61 2002.10

ome rare larval trematodes of Semisulcospira in the Lake Biwa drainage system, Central Japan Reviewed

Urabe, M.

Parasitology International 50 191 - 199 2001.12

Life cycle of Genarchopsis goppo Ozaki 1925 in Japan Reviewed

Urabe, M.

Journal of Parasitology 87 1404 - 1408 2001.12

Effects of trematode infection on metabolism and activity in a freshwater snail, Semisulcospira libertina (Gould) Reviewed

Shinagawa, K., Urabe, M. and Nagoshi, M.

Diseases of Aquatic Organisms 45 141 - 144 2001.6

宇治川で発見された腹口類（吸虫綱二生亜綱）：その生活史と分布、並びに淡水魚への被害について Reviewed

浦部美佐子・小川和夫・中津川俊雄・今西裕一・近藤高貴・奥西智美・加地祐子・田中寛子

関西自然保護機構会報 23 13 - 21 2001.6

Seasonal change of prevalence and distribution of parasites in freshwater fishes at Higashi-yoshino, Nara Prefecture Reviewed

Nakamura, S., Urabe, M., Nagoshi, M.

Biology of Inland Waters 15 12 - 19 2000.12

Phenotypic modulation by the substratum, of shell sculpture in Semisulcospira reiniana (Prosobranchia: Pleuroceridae). Reviewed

Urabe, M.

Journal of Molluscan Studies 66 53 - 59 2000.1

Relationships between trematode infection and the habitat depth in a freshwater snail, Semisulcospira libertina (Gould) Reviewed

Shinagawa, K., Urabe, M. and Nagoshi, M.

Hydrobiologia 397 171 - 178 1999.12

Male-female interactions of sika deer (Cervus nippon) in Nara Park through allogrooming during breeding and rutting seasons. Reviewed

Matsuno, K. and Urabe, M.

Journal of Ethology 17 41 - 49 1999.12

Comparison of distribution between cercariae-infected and uninfected individuals of the freshwater snail Semisulcospira libertina Reviewed

Shinagawa, K., Urabe M., Nagoshi M.

Biology of Inland Waters 14 45 - 48 1999.12

Relationship between body size of dark chub, Zacco temmincki and number of parasitic nematode, Rhabdochona denudata Reviewed

Mori T., Urabe M., Nagoshi M.

Biology of Inland Waters 13 67 - 70 1998.12

Allogrooming of sika deer Cervus nippon in Nara Park Reviewed

Yamada M., Urabe M.

Bulletin of Kansai Organization for Natural Conservation 20 ( 2 ) 59 - 66 1998.12

Contribution of genetic and environmental factors to shell shape in a lotic snail Semisulcospira reiniana Reviewed

Urabe, M.

Journal of Molluscan Studies 64 329 - 343 1998.12

Diel change of activity and movement on natural river beds in Semisulcospira reiniana Reviewed

Urabe, M.

Venus 57 ( 1 ) 17 - 27 1998.3

Infection of larval trematodes in freshwater snails Semisulcospira from Nabari river system in Nara and Mie prefectures II. Distribution of larval trematodes in S. libertina within the water system and parasitic ecology Reviewed

Makita Y., Urabe M., Nagoshi M.

Japanese Journal of Parasitology 45 ( 6 ) 543 - 551 1996.12

Infection of larval trematodes in freshwater snails Semisulcospira from Nabari river system in Nara and Mie prefectures I. Observed cercariae and their host species and prevalence Reviewed

Makita Y., Urabe M., Nagoshi M.

Japanese Journal of Parasitology 45 ( 4 ) 309 - 315 1996.8

琵琶湖水系における河川棲カワニナ類の分布 Reviewed

浦部美佐子・吉田恭子

陸水生物学報 10 7 - 17 1995.12

Two types of freshwater snail Semisulcospira reiniana (Brot) (Mesogastropoda: Pleuroceridae) identified by electrophoresis Reviewed

Urabe, M.

Japanese Journal of Limnology 54 ( 2 ) 109 - 116 1993.4

同一河川におけるカワニナ２種の判別と形態比較 Reviewed

浦部　美佐子

Venus 50 270 - 286 1992.1

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