Biogeography revealed by mariner-like transposable element sequences via a bayesian coalescent approach

Shigeki Nakagome, Yumiko Nakajima, Shuhei Mano

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

Genetic diversity of natural populations is useful in biogeographical studies. Here, we apply a Bayesian method based on the coalescent model to dating biogeographical events by using published DNA sequences of wild silkworms, Bombyx mandarina, and the domesticated model organisms B. mori, both of which categorized into the order of Lepidoptera, sampled from China, Korea, and Japan. The sequences consist of the BmTNML locus and the flanking intergenic regions. The BmTNML locus is composed of cecropia-type mariner-like element (MLE) with inverted terminal repeats, and three different transposable elements (TE), including L1BM, BMC1 retrotransposons, and BmamaT1, are inserted into the MLE. Based on the genealogy defined by TE insertions/deletions (indels), we estimated times to the most recent common ancestor and these indels events using the flanking, MLE, and indels sequences, respectively. These estimates by using MLE sequences strongly correlated with those by using flanking sequences, implying that cecropia-type MLEs can be used as a molecular clock. MLEs are thought to have transmitted horizontally among different species. By using a pair of published cecropia-type MLE sequences from lepidopteran insect, an emperor moth, and a coral in Ryukyu Islands, we demonstrated dating of horizontal transmission between species which are distantly related but inhabiting geographically close region.

元の言語英語
ページ(範囲)64-69
ページ数6
ジャーナルJournal of Molecular Evolution
77
発行部数3
DOI
出版物ステータス出版済み - 9 1 2013
外部発表Yes

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Cecropia
DNA Transposable Elements
Bayes Theorem
biogeography
transposons
Bombyx
horizontal transmission
genealogy
common ancestry
Lepidoptera
moth
Saturniidae
Genealogy and Heraldry
Morus
coral
Anthozoa
Retroelements
loci
Intergenic DNA
terminal repeat sequences

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Genetics

これを引用

Biogeography revealed by mariner-like transposable element sequences via a bayesian coalescent approach. / Nakagome, Shigeki; Nakajima, Yumiko; Mano, Shuhei.

:: Journal of Molecular Evolution, 巻 77, 番号 3, 01.09.2013, p. 64-69.

研究成果: ジャーナルへの寄稿記事

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