Mitochondrial DNA control region diversity in Common Terns Sterna hirundo from Slovenia and Croatia

Q4 Agricultural and Biological Sciences

Acrocephalus Pub Date : 2019-11-01 DOI:10.1515/acro-2019-0004

Ida Svetličić, J. Kralj, M. Martinović, D. Tome, Tilen Basle, Luka Božič, Iztok Škornik, L. Jurinović, A. Galov

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引用次数: 2

Abstract

Abstract 63 Common Tern Sterna hirundo samples from Croatia and Slovenia were analysed with respect to their genetic diversity and differentiation. Samples originated from two freshwater populations (areas of the rivers Sava and Drava) and one coastal population (Sečovlje Salina). The molecular marker of choice was 709 bp long fragment of the mitochondrial control region, the fastest-evolving part of the mitochondrial genome. 21 haplotypes with 12 polymorphic sites were identified. Overall haplotype diversity was substantial and estimated at 0.8599, while the overall nucleotide diversity was low and estimated at 0.0025. Diversity indices were highest for the Drava population, followed by the Sava and the lowest for the Sečovlje population. Overall genetic structure was significantly low (Fst=0.0377) and attributed to the differences in haplotype frequencies between the populations. The high level of genetic diversity found in continental populations illustrates the importance of their habitats as reservoirs of genetic diversity and calls for their further protection and management.

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斯洛文尼亚和克罗地亚普通燕鸥线粒体DNA控制区域多样性

摘要对来自克罗地亚和斯洛文尼亚的63份普通燕鸥(Common Tern Sterna hirundo)样本进行遗传多样性和分化分析。样本来自两个淡水种群(萨瓦河和德拉瓦河地区)和一个沿海种群(se ovlje Salina)。选择的分子标记是线粒体控制区709 bp长的片段，这是线粒体基因组中进化最快的部分。共鉴定出21个单倍型，12个多态性位点。总体单倍型多样性丰富，估计为0.8599，而总体核苷酸多样性较低，估计为0.0025。多样性指数以德拉瓦居群最高，萨瓦居群次之，塞奥夫列居群最低。总体遗传结构显著低(Fst=0.0377)，这归因于种群间单倍型频率的差异。在大陆种群中发现的高度遗传多样性说明了其栖息地作为遗传多样性储存库的重要性，并呼吁对其进一步保护和管理。

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Acrocephalus Agricultural and Biological Sciences-Animal Science and Zoology

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16 weeks