Molecular phylogeography of two sibling species of <Emphasis Type="Italic">Eurema</Emphasis> butterflies |
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Authors: | Satoko Narita Masashi Nomura Yoshiomi Kato Osamu Yata Daisuke Kageyama |
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Institution: | (1) Laboratory of Applied Entomology and Zoology, Faculty of Horticulture, Chiba University, Matsudo Chiba, 271-8510, Japan;(2) Department of Biology, International Christian University, Mitaka Tokyo, 181-8585, Japan;(3) Biosystematics Laboratory, Faculty of Social and Cultural Studies, Kyushu University, Ropponmatsu Fukuoka, 810-8560, Japan;(4) Insect-Microbe Research Unit, National Institute of Agrobiological Sciences (NIAS), Owashi 1-2, Tsukuba Ibaraki, 305-8634, Japan |
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Abstract: | The common yellow butterfly Eurema hecabe is widely distributed in East Asia, and is one of the most burdensome species for taxonomists due to the numerous geographic
and seasonal wing colour patterns. Moreover, within this species, individuals with a yellow wing fringe that occur in temperate
regions of Japan (Y type) proved to be biologically different from others that occur widely in subtropical regions of Japan
and all over East Asia (B type). To unveil the genetic variation within and between the two types, a total of 50 butterflies
collected at 18 geographic localities in East Asia were examined for nucleotide sequence variation of three mitochondrial
regions: cytochrome c oxidase subunit I (COI), cytochrome c oxidase subunit III (COIII) and NADH dehydrogenase subunit 5 (ND5). In addition, they were also examined for infection status
with the endosymbiotic bacteria Wolbachia. The three mitochondrial sequences consistently showed that (i) Y type and B type were highly divergent, (ii) nucleotide
variation within B type was very small although sampled from a geographically wide range, and (iii) a weak association existed
between mitochondrial DNA haplotypes and Wolbachia infection status. |
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Keywords: | Cytochrome c oxidase subunit I (COI) Cytochrome c oxidase subunit III (COIII) NADH dehydrogenase subunit 5 (ND5) Butterfly Eurema hecabe Mitochondrial DNA Phylogeography Sibling species Wolbachia |
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