遗传学特征(Thunnus albacares;Bonnatere,1788)

I. Jatmiko, F. Rochman, Maya Agustina
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引用次数: 2

摘要

马地吊(Thunnus albacares)是一种高度洄游的物种,分布在热带至亚热带水域。该物种发现于大西洋、印度洋和太平洋。已知的具有远距离迁徙金枪鱼的鱼类的遗传信息是为了线性开发。本研究旨在获得印尼水域马地航种群的遗传多样性信息、利用的种群结构以及完整性。基因采样在苏门答腊岛西部、巴厘岛南部和苏拉威西岛北部三个地点进行。所使用的方法是微卫星分析,包括提取、纯化、聚合酶链式反应(PCR)扩增和电泳。对3个微卫星DNA位置的分析表明,第三个相对接近的样本组的生育程度在0.132至0.206之间。这说明印尼海域的马地航种群是一个单一种群,存在随机婚配现象。然而,作为一个在全国范围内高度迁徙的物种,马地航的管理也需要参与区域金枪鱼管理组织的国家之间的良好合作。黄鳍金枪鱼(Thunnus albacares)是一种高度洄游的物种,分布在热带到亚热带水域。该物种分布于大西洋、印度洋和太平洋。金枪鱼等远距离洄游鱼类的遗传信息对可持续利用非常重要。本研究旨在获得有关印尼水域黄鳍金枪鱼种群的遗传多样性、种群结构和亲缘关系的信息。在印度尼西亚苏门答腊岛西部、巴厘岛南部和北苏拉威西海域的三个地点对黄鳍金枪鱼进行了基因采样。所用的方法是微卫星分析,包括提取、纯化、聚合酶链式反应(PCR)扩增和电泳。3个微卫星DNA位点分析结果显示,印尼海域三个样本组之间的亲缘关系水平相对接近,在0.132~0.206之间。这表明印尼海域的黄鳍金枪鱼种群是单一种群和随机交配。然而,作为一种在各国迁徙的高度洄游物种,黄鳍金枪鱼的管理也需要纳入区域金枪鱼渔业管理组织的国家之间的良好合作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
VARIASI GENETIK MADIDIHANG (Thunnus albacares; Bonnaterre, 1788) DENGAN ANALISIS MIKROSATELIT DI PERAIRAN INDONESIA
Madidihang (Thunnus albacares) merupakan spesies yang bermigrasi jauh yang distribusinya di perairan tropis hingga perairan subtropis. Spesies ini ditemukan di Samudra Atlantik, Hindia dan Pasifik. Informasi genetik ikan dengan migrasi jauh seperti tuna penting diketahui untuk kepentingan pemanfaatan secara lestari. Penelitian ini bertujuan untuk memperoleh informasi keragaman genetik dan struktur populasi yang dieksploitasi dan kekerabatan populasi madidihang di perairan Indonesia. Pengumpulan sampel genetik dilakukan di tiga lokasi yaitu di Barat Sumatra, Selatan Bali dan perairan Sulawesi Utara. Metode yang digunakan adalah analisis mikrosatelit yang terdiri dari ekstraksi, purifikasi, amplifikasi polymerase chain reaction (PCR) dan elektroforesis. Hasil analisis terhadap 3 loci DNA mikrosatelit menunjukkan bahwa tingkat kekerabatan ketiga kelompok sampel relatif dekat yaitu berkisar antara 0,132-0,206. Hal ini menunjukkan bahwa Populasi madidihang di perairan Indonesia merupakan stok tunggal dan terjadi perkawinan acak. Meskipun demikian, sebagai spesies yang bermigrasi jauh lintas negara, pengelolaan madidihang juga memerlukan kerjasama yang baik antar negara yang tergabung dalam organisasi pengelolaan perikanan tuna regional.Yellowfin tuna (Thunnus albacares) is a highly migratory species that distribute from tropical to subtropical waters. This species can be found in the Atlantic, Indian and Pacific Oceans. Genetic information in fish with long distance migration such as tuna is very important for sustainable use. This study aims to obtain information on genetic diversity and population structure exploited and kinship of yellowfin tuna populations in Indonesian waters. Genetic sampling of yellowfin tuna was conducted in three locations in Indonesian waters in western Sumatra, southern Bali and North Sulawesi waters. The methods used was microsatellite analysis which consist of extraction, purification, polymerase chain reaction (PCR) amplification and electrophoresis. The result of 3 microsatellite DNA locus analysis showed that the level of kinship between the three sample groups in Indonesian waters was relatively close, ranging from 0.132 to 0.206. This shows that yellowfin tuna population in Indonesian waters is a single stock and random copulation. However, as a highly migratory species that migrate across the nations, yellowfin tuna management also requires good cooperation among countries incorporated in regional tuna fisheries management organizations.
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