High genetic diversity detected in the mitochondrial Control Region of the Serra Spanish Mackerel, Scomberomorus brasiliensis (Collette, Russo & Zavala, 1978) along the Brazilian coast.

Mitochondrial DNA. Part A, DNA mapping, sequencing, and analysis Pub Date : 2021-07-01 Epub Date: 2023-09-14

Divino Bruno da Cunha, Kely Cristina Piedade Martins, José Nazareno do Santos Júnior, Edith Cibelle de Oliveira Moreira, Iracilda Sampaio, Cleonilde da Conceição Silva Queiroz, Maria Adriana Leite, Agerdânio Andrade de Souza, Carolina Aviz Dos Santos, Marcelo Vallinoto

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Abstract

The Serra Spanish mackerel, Scomberomorus brasiliensis, is one of the most important fishery resources in the western tropical Atlantic, including northern and eastern Brazil. Despite its economic importance, few genetic markers have been sequenced in this species, and little is known of its population genetics. The present study evaluated the genetic variability of 110 individuals, representing three distinct Brazilian populations (Macapá, Fortaleza and Paranaguá), based on a segment of the mitochondrial Control Region. The sequences revealed high levels of genetic diversity, and suggested marked connectivity among the studied populations. A variable repeat was also found in the 3' portion of the studied Control Region fragment, which may prove useful as a marker in future genetic population studies of S. brasiliensis.

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在巴西海岸西班牙鲭鱼Scomberomorus brasiliensis线粒体控制区检测到高遗传多样性(Collette, Russo & Zavala, 1978)。

西班牙鲭鱼(Scomberomorus brasiliensis)是热带大西洋西部(包括巴西北部和东部)最重要的渔业资源之一。尽管具有重要的经济意义，但很少对该物种的遗传标记进行测序，并且对其种群遗传学知之甚少。本研究基于线粒体控制区的一个片段，评估了110个个体的遗传变异性，代表了三个不同的巴西人群(macap、Fortaleza和paranagu)。这些序列揭示了高水平的遗传多样性，并表明在所研究的人群中存在显著的连通性。在研究的控制区片段的3'部分也发现了一个可变重复，这可能被证明是有用的，在未来的遗传群体研究巴西螺。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Mitochondrial DNA. Part A, DNA mapping, sequencing, and analysis

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