GLOBAL POPULATION-STRUCTURE OF ALBACORE (THUNNUS-ALALUNGA) INFERRED BY RFLP ANALYSIS OF THE MITOCHONDRIAL ATPASE GENE

被引：68

作者：

CHOW, S

USHIAMA, H

机构：

[1] Division of Pelagic Fish Resources, National Research Intitute of Far Seas Fisheries, Shimizu, Shizuoka, 424

来源：

MARINE BIOLOGY | 1995年 / 123卷 / 01期

关键词：

D O I：

10.1007/BF00350321

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

The genetic population structure of the highly migratory albacore (Thunnus alalunga) was investigated using restriction fragment length polymorphism (RFLP) analysis of the mitochondrial ATPase gene amplified by the polymerase chain reaction (PCR). 620 individuals comprising 13 geographically distant samples (ten Pacific, two Atlantic and the Cape of Good Hope) were surveyed between 1991 and 1994 with two restriction endonucleases (Mse I and Rsa I), resulting in seven haplotypes. No heterogeneity was observed in the distribution of haplotypes among the ten samples from the North and South Pacific, nor among the samples from North and South Atlantic and Cape of Good Hope. However, highly significant heterogeneity was evident among Atlantic and Pacific samples. Higher haplotypic diversity (h) was observed in the Pacific samples (0.59 to 0.69) than in the Atlantic and Cape samples (0.22 to 0.43). These results suggest greater gene flow between albacore of the northern and southern hemispheres (within oceans) than between the Atlantic and Pacific Oceans.

引用

页码：39 / 45

页数：7

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