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題名: DNA barcodes of the native ray-finned fishes in Taiwan.
作者: Chang CH
Shao KT
Lin HY
Chiu YC
Lee MY
Liu SH
Lin PL
貢獻者: 國立臺灣海洋大學:海洋文化研究所
關鍵詞: COI
DNA barcoding
barcode gap
mitochondrial genome
日期: 2016-07
上傳時間: 2019-01-15T01:57:51Z
出版者: Molecular Ecology Resources
摘要: Abstract: Species identification based on the DNA sequence of a fragment of the cytochrome c oxidase subunit I gene in the mitochondrial genome, DNA barcoding, is widely applied to assist in sustainable exploitation of fish resources and the protection of fish biodiversity. The aim of this study was to establish a reliable barcoding reference database of the native ray-finned fishes in Taiwan. A total of 2993 individuals, belonging to 1245 species within 637 genera, 184 families and 29 orders of ray-finned fishes and representing approximately 40% of the recorded ray-finned fishes in Taiwan, were PCR amplified at the barcode region and bidirectionally sequenced. The mean length of the 2993 barcodes is 549 bp. Mean congeneric K2P distance (15.24%) is approximately 10-fold higher than the mean conspecific one (1.51%), but approximately 1.4-fold less than the mean genetic distance between families (20.80%). The Barcode Index Number (BIN) discordance report shows that 2993 specimens represent 1275 BINs and, among them, 86 BINs are singletons, 570 BINs are taxonomically concordant, and the other 619 BINs are taxonomically discordant. Barcode gap analysis also revealed that more than 90% of the collected fishes in this study can be discriminated by DNA barcoding. Overall, the barcoding reference database established by this study reveals the need for taxonomic revisions and voucher specimen rechecks, in addition to assisting in the management of Taiwan's fish resources and diversity.
關聯: 17(4) pp.796-805
顯示於類別:[海洋文化研究所] 期刊論文


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