The first complete mitochondrial genome of the Mariana Trench Freyastera benthophila (Asteroidea: Brisingida: Brisingidae) allows insights into the deep-sea adaptive evolution of Brisingida
Mu, Wendan1,2; Liu, Jun1; Zhang, Haibin1
2018-11-01
Source PublicationECOLOGY AND EVOLUTION
ISSN2045-7758
Volume8Issue:22Pages:10673-10686
Abstract

Starfish (phylum Echinodermata) are ecologically important and diverse members of marine ecosystems in all of the world's oceans, from the shallow water to the hadal zone. The deep sea is recognized as an extremely harsh environment on earth. In this study, we present the mitochondrial genome sequence of Mariana Trench starfish Freyastera benthophila, and this study is the first to explore in detail the mitochondrial genome of a deep-sea member of the order Brisingida. Similar to other starfish, it contained 13 protein-coding genes, two ribosomal RNA genes, and 22 transfer RNA genes (duplication of two tRNAs: trnL and trnS). Twenty-two of these genes are encoded on the positive strand, while the other 15 are encoded on the negative strand. The gene arrangement was identical to those of sequenced starfish. Phylogenetic analysis showed the deep-sea Brisingida as a sister taxon to the traditional members of the Asteriidae. Positive selection analysis indicated that five residues (8 N and 16 I in atp8, 47 D and 196 V in nad2, 599 N in nad5) were positively selected sites with high posterior probabilities. Compared these features with shallow sea starfish, we predict that variation specifically in atp8, nad2, and nad5 may play an important role in F. benthophila's adaptation to deep-sea environment.

KeywordAdaptive Evolution Brisingida Deep Sea Freyastera Benthophila Mitochondrial Genome
DOI10.1002/ece3.4427
Indexed BySCI
Funding OrganizationNational Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China ; Knowledge Innovation Program of CAS ; Hundred Talents Program of CAS ; Major scientific and technological projects of Hainan Province
Language英语
Funding ProjectNational Key R&D Program of China[2017YFC0306600] ; Strategic Priority Research Program of the Chinese Academy of Sciences (CAS)[XDB06010104] ; National Natural Science Foundation of China[41576127] ; Knowledge Innovation Program of CAS[SIDSSE-201401] ; Hundred Talents Program of CAS[SIDSSE-BR-201401] ; Major scientific and technological projects of Hainan Province[ZDKJ2016009]
WOS KeywordHigh-altitude Adaptation ; Cytochrome-c-oxidase ; Transfer-rna Genes ; Nucleotide-sequence ; Phylogenetic Analysis ; Dna ; Rearrangement ; Organization ; Systematics ; Arrangement
WOS Research AreaEnvironmental Sciences & Ecology ; Evolutionary Biology
WOS SubjectEcology ; Evolutionary Biology
WOS IDWOS:000451611000004
PublisherWILEY
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.idsse.ac.cn/handle/183446/6393
Collection深海科学研究部_深海生物学研究室_海洋生物生态与进化研究组
深海科学研究部_深海生物学研究室
Corresponding AuthorZhang, Haibin
Affiliation1.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
First Author AffilicationInstitute of Deep-sea Science and Engineering,CAS
Corresponding Author AffilicationInstitute of Deep-sea Science and Engineering,CAS
Recommended Citation
GB/T 7714
Mu, Wendan,Liu, Jun,Zhang, Haibin. The first complete mitochondrial genome of the Mariana Trench Freyastera benthophila (Asteroidea: Brisingida: Brisingidae) allows insights into the deep-sea adaptive evolution of Brisingida[J]. ECOLOGY AND EVOLUTION,2018,8(22):10673-10686.
APA Mu, Wendan,Liu, Jun,&Zhang, Haibin.(2018).The first complete mitochondrial genome of the Mariana Trench Freyastera benthophila (Asteroidea: Brisingida: Brisingidae) allows insights into the deep-sea adaptive evolution of Brisingida.ECOLOGY AND EVOLUTION,8(22),10673-10686.
MLA Mu, Wendan,et al."The first complete mitochondrial genome of the Mariana Trench Freyastera benthophila (Asteroidea: Brisingida: Brisingidae) allows insights into the deep-sea adaptive evolution of Brisingida".ECOLOGY AND EVOLUTION 8.22(2018):10673-10686.
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