AFLP analysis on genetic diversity and population structure of small yellow croaker Larimichthys polyactis
文献类型: 外文期刊
作者: Lin, Long Shan 1 ; Ying, Yi Ping 1 ; Han, Zhi Qiang 3 ; Xiao, Yong Shuang 1 ; Gao, Tian Xiang 1 ;
作者机构: 1.Ocean Univ China, Minist Educ, Key Lab Mariculture, Qingdao 266003, Peoples R China
2.Chinese Acad Fishery Sci, E China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China
3.Zhejiang Ocean Univ, Fishery Coll, Zhoushan 316004, Peoples R China
关键词: Small yellow croaker;Larimichthys polyactis;genetic population structure;genetic diversity;AFLP
期刊名称:AFRICAN JOURNAL OF BIOTECHNOLOGY ( 影响因子:0.573; 五年影响因子:0.794 )
ISSN: 1684-5315
年卷期: 2009 年 8 卷 12 期
页码:
收录情况: SCI
摘要: The population genetic structure and diversity of small yellow croaker Larimichthys polyactis in the Bohai Bay, Yellow Sea and East China Sea were analyzed using amplified fragment length polymorphism (AFLP). Ninety-one individuals were collected from six locations representing three stocks of small yellow croaker. A total of 218 putative loci were detected by 3 primer combinations, 148 of which were polymorphic (67.89%). The proportion of polymorphic loci and Nei's genetic diversity for six populations ranged from 55.34 - 60.09%, and from 0.1244 - 0.1378. AMOVA analysis and pairwise F-ST revealed significant genetic differentiation among the three groups based on the breeding migration routes and over-wintering grounds, supporting separate stocks in this species. The result shows the migratory behavior might be an important factor which influences the genetic structure of this species. The UPGMA tree also revealed the significant geographic structure in this species. Pattern of isolation by distance was observed in this species, indicating that significant genetic differentiation among localities of small yellow croaker might be due to the geographic distance.
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