Seascape genetics of saithe (Pollachius virens) across the North Atlantic using single nucleotide polymorphisms

Saha Atal; Hauser Lorenz; Kent Matthew; Planque Benjamin; Neat Francis; Kirubakaran Tina Graceline; Huse Irene; Homrum Eydna I.; Fevolden Svein-Erik; Lien Sigbjorn; Johansen Torild

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Seascape genetics of saithe (Pollachius virens) across the North Atlantic using single nucleotide polymorphisms

机译：利用单核苷酸多态性对北大西洋赛德羚（Pollachius virens）的海景遗传学

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The identification of isolated populations in widely distributed marine species is often impeded by low levels of genetic differentiation. However, modern genetic approaches now allow for the efficient detection of potentially large numbers of novel genetic variations, thereby improving the power to identify biologically meaningful management units. To investigate the genetic structuring of saithe (Pollachius virens L.), we applied seascape genetic approaches to 131 single nucleotide polymorphism loci genotyped in 584 fish collected from 11 locations across the North Atlantic. Wombling analysis and the Monmonier algorithm revealed four genetic clusters (Barents Sea, Central Northeast Atlantic, Rockall, and Canada) across the species distribution range. These results imply that genetic structuring in saithe maybe influenced by abiotic factors such as geographical distance, and bathymetry aswell as biotic factors such as sex-biased migration, and natal homing. The results suggest a potential mismatch between management and biological units across the Northeast Atlantic, which may have implications for sustainable exploitation of the species.

机译：低水平的遗传分化常常阻碍了对广泛分布的海洋物种中孤立种群的鉴定。但是，现代遗传方法现在可以有效地检测潜在的大量新型遗传变异，从而提高了识别生物学上有意义的管理单位的能力。为了研究赛义羚（Pollachius virens L.）的遗传结构，我们对从北大西洋11个地点收集的584条鱼的131个单核苷酸多态性基因座进行了海景遗传方法研究。摆动分析和Monmonier算法揭示了整个物种分布范围内的四个遗传簇（巴伦支海，东北中部大西洋，罗克尔和加拿大）。这些结果表明，该地区的遗传结构可能受到非生物因素（如地理距离和测深法）以及生物因素（如性别偏见的迁徙和出生归巢）的影响。结果表明，东北大西洋地区的管理部门与生物部门之间可能存在不匹配，这可能对该物种的可持续利用产生影响。

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来源
《ICES Journal of Marine Science》 |2015年第9期|2732-2741|共10页
作者
Saha Atal; Hauser Lorenz; Kent Matthew; Planque Benjamin; Neat Francis; Kirubakaran Tina Graceline; Huse Irene; Homrum Eydna I.; Fevolden Svein-Erik; Lien Sigbjorn; Johansen Torild;
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作者单位

Inst Marine Res, Tromso Dept, N-9294 Tromso, Norway;

Univ Washington, Sch Aquat & Fishery Sci, Seattle, WA 98195 USA;

Ctr Integrat Genet CIGENE, NMBU, Dept Anim & Aquacultural Sci IHA, N-1432 As, Norway;

Inst Marine Res, Tromso Dept, N-9294 Tromso, Norway|Hjort Ctr Marine Ecosyst Dynam, N-5817 Bergen, Norway;

Marine Scotland Sci, Marine Lab, Aberdeen AB11 9DB, Scotland;

Ctr Integrat Genet CIGENE, NMBU, Dept Anim & Aquacultural Sci IHA, N-1432 As, Norway;

Inst Marine Res, NO-5817 Bergen, Norway;

Faroe Marine Res Inst, FO-100 Torshavn, Faroe Islands, Denmark;

UiT Arctic Univ Norway, Dept Arctic & Marine Biol, N-9037 Tromso, Norway;

Ctr Integrat Genet CIGENE, NMBU, Dept Anim & Aquacultural Sci IHA, N-1432 As, Norway;

Inst Marine Res, Tromso Dept, N-9294 Tromso, Norway;

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正文语种 eng
中图分类
关键词
gene flow; isolation by distance; landscape genetics; RAD tag sequencing;

机译：基因流;距离隔离;景观遗传学;RAD标签测序;

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Seascape genetics of saithe (Pollachius virens) across the North Atlantic using single nucleotide polymorphisms

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