期刊
GENETICS AND MOLECULAR RESEARCH
卷 9, 期 3, 页码 1836-1843出版社
FUNPEC-EDITORA
DOI: 10.4238/vol9-3gmr933
关键词
Anabas testudineus; Climbing perch; Sundaland; Population genetics; Control region
资金
- Ministry of Science, Technology & Innovation (MOSTI), Malaysia [304/PBIOLOGI/6521033/U128]
Anabas testudineus (Anabantidae) is an important food fish in Southeast Asia. We analyzed the mitochondrial DNA control region sequence data to evaluate the genetic variability and population structure of this species. Sixty specimens were collected from four populations in Sumatra and two populations in Peninsular Malaysia. We found a very low level of genetic variability, with five of the six populations exhibiting total absence of genetic variation. Based on analysis of molecular variance, 84.72% of the total variation was among populations and 15.28% within populations. A geographical division based on F-ST values indicated highly significant genetic differentiation among populations from the four drainage systems: Aceh, Sumatra Utara, Pulau Pinang, and Terengganu (F-ST ranging from 0.633 to 1.000). No phylogeographic relationships among populations were detected, despite the generation of four distinct clades in a neighbor-joining phylogenetic tree.
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