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A New Species of the Deep-Sea Sponge-Associated Genus Eiconaxius (Crustacea: Decapoda: Axiidae), With New Insights Into the Distribution, Speciation, and Mitogenomic Phylogeny of Axiidean Shrimps
Kou, Qi1; Xu, Peng2; Poore, Gary C. B.3; Li, Xinzheng1,4,5,6; Wang, Chunsheng2,7
2020-07-07
Source PublicationFRONTIERS IN MARINE SCIENCE
Volume7Pages:26
Corresponding AuthorLi, Xinzheng(lixzh@qdio.ac.cn) ; Wang, Chunsheng(wangsio@sio.org.cn)
AbstractEiconaxius Bate, 1888 is a genus of axiid shrimps exclusively associated with deep-sea hexactinellid sponges. Due to its special morphology and habitat, Eiconaxius is taxonomically and ecologically controversial. Based on material recently collected from seamounts in the northwestern Pacific, a new species of Eiconaxius is described. Intraspecific morphological and genetic variation and host specificity were evaluated. The complete mitochondrial genome of the new species was sequenced to explore the systematic status of Eiconaxius and some other axiidean taxa. Our analyses showed that differentiation of the new species occurs both allopatrically and sympatrically, probably resulting from the interaction of geographical isolation and deep water current movement, rather than from adaptation to different hosts. In addition, species of Eiconaxius are suggested to have wider ranges of distribution and host than expected. The reconstructed mitogenomic phylogeny supported merging Eiconaxius into Axiidae, and recognized most axiidean families, except that Strahlaxiidae was suggested to be paraphyletic. However, more comprehensive taxon sampling is still needed to resolve the explicit internal relationships among Axiidea.
Keywordbiodiversity taxonomy host specificity isolation divergence mitochondrial genome
DOI10.3389/fmars.2020.00469
Indexed BySCI
Language英语
Funding ProjectChina Ocean Mineral Resources Research and Development Association Program[DY135-E2-1-02] ; China Ocean Mineral Resources Research and Development Association Program[DY135-E2-2-03] ; China Ocean Mineral Resources Research and Development Association Program[DY135-E2-2-06] ; China Ocean Mineral Resources Research and Development Association Program[DY135-E2-3-04] ; Science & Technology Basic Resources Investigation Program of China[2017FY100804] ; Science & Technology Basic Resources Investigation Program of China[2017FY201404] ; National Natural Science Foundation of China[41876178] ; National Natural Science Foundation of China[41930533] ; Scientific Research Fund of the Second Institute of Oceanography, MNR[JG1613] ; Scientific Research Fund of the Second Institute of Oceanography, MNR[JG1418] ; National Programme on Global Change and Air-Sea Interaction[03-01-07-02]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000550767900001
PublisherFRONTIERS MEDIA SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/168060
Collection海洋生物分类与系统演化实验室
Corresponding AuthorLi, Xinzheng; Wang, Chunsheng
Affiliation1.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao, Peoples R China
2.Minist Nat Resources, Key Lab Marine Ecosyst Dynam, Inst Oceanog 2, Hangzhou, Peoples R China
3.Museums Victoria, Melbourne, Vic, Australia
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
5.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
6.Univ Chinese Acad Sci, Coll Marine Sci, Beijing, Peoples R China
7.Shanghai Jiao Tong Univ, Sch Oceanog, Shanghai, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Kou, Qi,Xu, Peng,Poore, Gary C. B.,et al. A New Species of the Deep-Sea Sponge-Associated Genus Eiconaxius (Crustacea: Decapoda: Axiidae), With New Insights Into the Distribution, Speciation, and Mitogenomic Phylogeny of Axiidean Shrimps[J]. FRONTIERS IN MARINE SCIENCE,2020,7:26.
APA Kou, Qi,Xu, Peng,Poore, Gary C. B.,Li, Xinzheng,&Wang, Chunsheng.(2020).A New Species of the Deep-Sea Sponge-Associated Genus Eiconaxius (Crustacea: Decapoda: Axiidae), With New Insights Into the Distribution, Speciation, and Mitogenomic Phylogeny of Axiidean Shrimps.FRONTIERS IN MARINE SCIENCE,7,26.
MLA Kou, Qi,et al."A New Species of the Deep-Sea Sponge-Associated Genus Eiconaxius (Crustacea: Decapoda: Axiidae), With New Insights Into the Distribution, Speciation, and Mitogenomic Phylogeny of Axiidean Shrimps".FRONTIERS IN MARINE SCIENCE 7(2020):26.
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