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DNA barcoding for species identification in deep-sea clams (Mollusca: Bivalvia: Vesicomyidae)
Liu, Jun; Zhang, Haibin
2018
发表期刊MITOCHONDRIAL DNA PART A
ISSN2470-1394
卷号29期号:8页码:1165-1173
摘要Deep-sea clams (Bivalvia: Vesicomyidae) have been found in reduced environments over the world oceans, but taxonomy of this group remains confusing at species and supraspecific levels due to their high-morphological similarity and plasticity. In the present study, we collected mitochondrial COI sequences to evaluate the utility of DNA barcoding on identifying vesicomyid species. COI dataset identified 56 well-supported putative species/operational taxonomic units (OTUs), approximately covering half of the extant vesicomyid species. One species (OTU2) was first detected, and may represent a new species. Average distances between species ranged from 1.65 to 29.64%, generally higher than average intraspecific distances (0-1.41%) when excluding Pliocardia sp.10 cf. venusta (average intraspecific distance 1.91%). Local barcoding gap existed in 33 of the 35 species when comparing distances of maximum interspecific and minimum interspecific distances with two exceptions (Abyssogena southwardae and Calyptogena rectimargo-starobogatovi). The barcode index number (BIN) system determined 41 of the 56 species/OTUs, each with a unique BIN, indicating their validity. Three species were found to have two BINs, together with their high level of intraspecific variation, implying cryptic diversity within them. Although fewer 16S sequences were collected, similar results were obtained. Nineteen putative species were determined and no overlap observed between intra- and inter-specific variation. Implications of DNA barcoding for the Vesicomyidae taxonomy were then discussed. Findings of this study will provide important evidence for taxonomic revision in this problematic clam group, and accelerate the discovery of new vesicomyid species in the future.
关键词COI deep-sea clams DNA barcoding molecular taxonomy Vesicomyidae
DOI10.1080/24701394.2018.1424843
资助者National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences [CAS] ; Knowledge Innovation Program of CAS ; Hundred Talents Program of CAS ; Major scientific and technological projects of Hainan Province, China
语种英语
资助项目National Natural Science Foundation of China[41576127] ; Strategic Priority Research Program of the Chinese Academy of Sciences [CAS][XDB06010104] ; Knowledge Innovation Program of CAS[SIDSSE-201401] ; Hundred Talents Program of CAS[SIDSSE-BR-201401] ; Major scientific and technological projects of Hainan Province, China[ZDKJ2016009]
关键词[WOS]16S RIBOSOMAL-RNA ; OXIDASE SUBUNIT-I ; PHYLOGENETIC-RELATIONSHIPS ; EVOLUTIONARY RELATIONSHIPS ; NUCLEOTIDE-SEQUENCES ; FAMILY VESICOMYIDAE ; MAXIMUM-LIKELIHOOD ; MITOCHONDRIAL-DNA ; HYDROTHERMAL VENT ; GENE
WOS研究方向Genetics & Heredity
WOS类目Genetics & Heredity
WOS记录号WOS:000450275000004
出版者TAYLOR & FRANCIS LTD
引用统计
文献类型期刊论文
条目标识符http://ir.idsse.ac.cn/handle/183446/6352
通讯作者Zhang, Haibin
作者单位Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 57200, Peoples R China
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GB/T 7714
Liu, Jun,Zhang, Haibin. DNA barcoding for species identification in deep-sea clams (Mollusca: Bivalvia: Vesicomyidae)[J]. MITOCHONDRIAL DNA PART A,2018,29(8):1165-1173.
APA Liu, Jun,&Zhang, Haibin.(2018).DNA barcoding for species identification in deep-sea clams (Mollusca: Bivalvia: Vesicomyidae).MITOCHONDRIAL DNA PART A,29(8),1165-1173.
MLA Liu, Jun,et al."DNA barcoding for species identification in deep-sea clams (Mollusca: Bivalvia: Vesicomyidae)".MITOCHONDRIAL DNA PART A 29.8(2018):1165-1173.
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