Discordant patterns of genetic variation between mitochondrial and microsatellite markers in Acanthogobius ommaturus across the coastal areas of China
作者机构:Key Laboratory of Mariculture(Ocean University of China)Ministry of EducationQingdao 266003China Shandong Fisheries Development and Resources Conservation CenterYantai 264003China
出 版 物:《Acta Oceanologica Sinica》 (海洋学报(英文版))
年 卷 期:2023年第42卷第4期
页 面:72-80页
核心收录:
基 金:The Fundamental Research Funds for the Central Universities under contract No.201964002 the National Natural Science Foundation of China under contract No.U20A2087
主 题:mitochondrial markers microsatellite markers genetic diversity genetic structure Acanthogobius ommaturus
摘 要:Acanthogobius ommaturus, which belongs to the family Gobiidae, is a euryhaline and demersal fish that is widely distributed in the coastal areas, harbors, and estuaries of China, D. P. R. Korea and Japan. In this study, the genetic diversity and genetic structure of five geographical populations of A. ommaturus was assessed using the mitochondrial hypervariable region gene and microsatellite markers. The results of the two genetic markers indicated that the A. ommaturus populations had a high level of genetic diversity. The mitochondrial marker detected weak genetic differentiation among populations, and the Neighbor-Joining tree showed that there was no obvious pedigree branches and geographic structure as well. However, population of Zhoushan showed significant genetic differentiation with other populations by microsatellite markers. The population of *** has not experienced bottleneck effect recently. We speculated that the Pleistocene climate change and juvenile fish dispersal played an important role in the population differentiation of A. ommaturus.