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Implication of three distinct groups of Anopheles lindesayi in Japan by morphological and genetic analyses

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タイトル: Implication of three distinct groups of Anopheles lindesayi in Japan by morphological and genetic analyses
その他のタイトル: 日本産ヤマトハマダラカAnopheles lindesayiは形態学および遺伝学的に3グループに分かれる
著者: 今西, 望
著者(別表記) : Imanishi, Nozomi
発行日: 2018年 9月 5日
出版者: 国立感染症研究所
引用: Nagasaki University (長崎大学), 博士(医学) (2018-09-05)
抄録: Anopheles (Anopheles) lindesayi Giles consists of 5 subspecies. In Japan, only one subspecies, An. l. japonicus Yamada, has been reported. Its geographical populations are morphologically diverse; however, they are regarded as a single subspecies. In this study, we re-evaluated the taxonomic status of An. l. japonicus in Japan, and that of another subspecies, An. l. pleccau, distributed in Taiwan, by comparative morphological and molecular analyses based on the gene sequences of mitochondrial DNA cytochrome c oxidase I (COI) and ribosomal DNA internal transcribed spacer 2 (ITS2). Nucleotide sequence divergence was calculated using the Kimura-two-parameter (K2P) distance model. Phylogenetic trees based on COI and ITS2 sequences showed 3 distinct clades: Eastern Japan, Western Japan, and the Ryukyus. The sequences of the Ryukyu specimens were located within the same clade as that of the sequences of the Taiwanese specimens. Regarding the COI sequences, the 3 geographical groups in Japan were genetically distinct. The following morphological characteristics distinguished the groups: larval seta 1-S, pupal setae 5 through segments IV–VII, and pupal setae 6 on segments IV–VII. Based on these results, it was revealed that An. l. japonicus included 3 genetically and morphologically distinct groups: 2 groups of An. l. japonicus and a group in the Ryukyus, which was a synonym of An. l. pleccau.
記述: 長崎大学学位論文 学位記番号:博(医歯薬)甲第1096号 学位授与年月日:平成30年9月5日 / Author: Nozomi Imanishi, Yukiko Higa, Hwa-Jen Teng, Toshihiko Sunahara, and Noboru Minakawa / Citation: Japanese Journal of Infectious Diseases, 71(6), pp.427–435; 2018 / 出版時論題変更
URI: http://hdl.handle.net/10069/38724
ISSN: 13446304
DOI: 10.7883/yoken.JJID.2017.537
関連リンク : http://hdl.handle.net/10069/38645
権利: © 2018 National Institute of of Infectious Diseases
資料タイプ: Thesis or Dissertation
原稿種類: ETD
出現コレクション:110 学位論文

引用URI : http://hdl.handle.net/10069/38724



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