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首页> 外文期刊>Biochemical Systematics and Ecology >Conservation genetics of Heritiera littoralis (Sterculiaceae), a threatened mangrove in China, based on AFLP and ISSR markers
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Conservation genetics of Heritiera littoralis (Sterculiaceae), a threatened mangrove in China, based on AFLP and ISSR markers

机译：基于AFLP和ISSR标记的中国濒危红树林Heritiera littoralis（Sterculiaceae）的保护遗传学

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摘要

AFLP and ISSR markers were used to determine the genetic variations in eight mangrove and non-mangrove populations of Heritiera littoralis (Sterculiaceae), a threatened species in China. Our results showed a moderate to high level of genetic variation in this species (P = 63.69%, H sub(T) = 0.20 for AFLP; P = 76.07%, H sub(T) = 0.22 for ISSR), and a relatively high level of genetic differentiation among populations (G sub(ST) = 0.24 for AFLP and 0.27 for ISSR). Life history traits, long-distance dispersal of floating seeds, and local environments may play important roles in shaping the genetic diversity and genetic structure of this species. Investigation of the plant's reproductive capacity showed that the natural seed production of H. littoralis was low, as was the germination rate and the transformation rate from juvenile to adult. H. littoralis is seriously threatened and is in urgent need of conservation in China.
机译：AFLP和ISSR标记用于确定中国濒危物种Herterera littoralis（Sterculiaceae）的8个红树林和非红树林种群的遗传变异。我们的结果表明，该物种的遗传变异处于中等至高水平（对于AFLP，P = 63.69％，H sub（T）= 0.20;对于ISSR，P = 76.07％，H sub（T）= 0.22），并且相对较高群体间遗传分化的水平（AFLP为0.24，ISSR为0.27）。生活史特征，漂浮种子的远距离散布以及当地环境在塑造该物种的遗传多样性和遗传结构中可能发挥重要作用。对植物生殖能力的调查表明，沿海H. littoralis的天然种子产量较低，发芽率和从幼年到成年的转化率也很低。在中国，H。littoralis受到严重威胁，迫切需要保护。

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