著者
Kakui Keiichi Munakata Mizuho Tanaka Hayato Hiruta Chizue
出版者
Elsevier
雑誌
Zoologischer Anzeiger (ISSN:00445231)
巻号頁・発行日
vol.293, pp.145-148, 2021-07
被引用文献数
1

Ostracoda is a diverse group of tiny crustaceans. Although more than 9330 extant species have been described, whole-mitogenomic data were available for only five species. Here we present a complete mitogenomic sequence for an additional species, the parthenogenetic podocopan ostracod Heterocypris spadix. The mitogenome is 15,205 bp long and contains the typical animal mitogenomic complement of 13 protein coding, two ribosomal RNA, and 22 transfer RNA genes. In a mitogenome-based phylogenetic tree, Myodocopa and Podocopa were each monophyletic. Gene order in Podocopa was much more similar to the pancrustacean ground pattern than was gene order in Myodocopa. Gene order was invariant in the three myodocopan species examined, all in the family Cypridinidae. Within Podocopa, two species from different families (Fabaeformiscandona kushiroensis, Candonidae; H. spadix, Cyprididae) were identical in gene order and differed from the pancrustacean ground pattern by only a single recombination. In Cyprididae, however, Cypridopsis vidua differed from H. spadix by five rearrangements. These conflicting patterns—apparent gene-order conservation within (Cypridinidae) and between families (Cyprididae and Candonidae), but marked divergence within a family (Cyprididae)—suggest that the evolution of gene order in ostracods was more complex than that expected from the cypridinid data.

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Accepted MS of Kakui et al (2021) ab mitogenome of Heterocypris ostracod deposited in online repos #カイミジンコ の1種のミトコンドリア全長配列を決定した論文の著者最終稿を大学リポジトリに登録しました(誰でも読めます) #貝形虫 #オストラコーダ Link:https://t.co/f3mcMsxxlb https://t.co/0PnMtIwEyH

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