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  1. 1:大学
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Babesia microti-Group Parasites Compared Phylogenetically by Complete Sequencing of the CCT Gene in 36 Isolates

http://hdl.handle.net/10659/1826
http://hdl.handle.net/10659/1826
68525676-5408-4a65-b081-141a4b2d7350
名前 / ファイル ライセンス アクション
S-908_Ishihara.pdf S-908_Ishihara.pdf (2.7 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2011-03-31
タイトル
タイトル Babesia microti-Group Parasites Compared Phylogenetically by Complete Sequencing of the CCT Gene in 36 Isolates
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 NAKAJIMA, Rui

× NAKAJIMA, Rui

WEKO 4791

NAKAJIMA, Rui

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TSUJI, Masayoshi

× TSUJI, Masayoshi

WEKO 4792

TSUJI, Masayoshi

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ODA, Kazunori

× ODA, Kazunori

WEKO 4793

ODA, Kazunori

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ZAMOTO-NIIKURA, Aya

× ZAMOTO-NIIKURA, Aya

WEKO 4794

ZAMOTO-NIIKURA, Aya

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WEI, Qiang

× WEI, Qiang

WEKO 4795

WEI, Qiang

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KAWABUCHI-KURATA, Takako

× KAWABUCHI-KURATA, Takako

WEKO 4796

KAWABUCHI-KURATA, Takako

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NISHIDA, Atsumi

× NISHIDA, Atsumi

WEKO 4797

NISHIDA, Atsumi

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ISHIHARA, Chiaki

× ISHIHARA, Chiaki

WEKO 4798

ISHIHARA, Chiaki

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抄録
内容記述タイプ Abstract
内容記述 Babesia microti, the erythroparasitic cause of human babesiosis, has long been taken to be a single species because classification by parasite morphology and host spectrum blurred distinctions between the parasites. Phylogenetic analyses of the 18S ribosomal RNA gene (18S rDNA) and, more recently, the β-tubulin gene have suggested inter-group heterogeneity. Intra-group relationships, however, remain unknown. This study was conducted to clarify the intra- and inter-group phylogenetic features of the B. microti-group parasites with the η subunit of the chaperonin-containing t-complex polypeptide l (CCTη) gene as a candidate genetic marker for defining the B. microti group. We prepared complete sequences of the CCTη gene from 36 piroplasms and compared the phylogenetic trees. The B. microti-group parasites clustered in a monophyletic assemblage separate from the Babesia sensu stricto and Theileria genera and subdivided predominantly into 4 clades (U.S., Kobe, Hobetsu, Munich) with highly significant evolutionary distances between the clades. B. rodhaini branched at the base of the B. microti-group parasites. In addition, a unique intron presence/absence matrix not observable in 18S rDNA or β-tubulin set the B. microti group entirely apart from either Babesia sensu stricto or Theileria. These results have strong implications for public health, suggesting that the B. microti-group parasites are a full-fledged genus comprising, for now, four core species, i.e., U.S., Kobe, Hobetsu, and Munich species nova. Furthermore, the CCTη gene is an instructive and definitive genetic marker for analyzing B. microti and related parasites.
書誌情報 The journal of veterinary medical science

巻 71, 号 1, p. 55-68, 発行日 2009-01
ISSN
収録物識別子タイプ ISSN
収録物識別子 0916-7250
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 10.1292/jvms.71.55
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 日本獣医学会
資源タイプ
内容記述タイプ Other
内容記述 Article
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