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首页> 外文期刊>Biochemical Genetics >Seasonal changes in the genetic diversity of two rodent populations, midday gerbil (Meriones meridianus) and northern three-toed jerboa (Dipus sagitta), detected by ISSR.
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Seasonal changes in the genetic diversity of two rodent populations, midday gerbil (Meriones meridianus) and northern three-toed jerboa (Dipus sagitta), detected by ISSR.

机译：ISSR检测到两个啮齿动物种群的遗传多样性的季节性变化，即午沙鼠（Meriones meridianus）和北部三趾沙巴（Dipus sagitta）。

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摘要

Seasonal changes in genetic diversity of Meriones meridianus and Dipus sagitta populations in the Ningxia Hui Autonomous Region were monitored using inter-simple sequence repeats. There were 45 discernible DNA fragments isolated from 33 samples of M. meridianus, and 25 from 40 samples of D. sagitta. The differences in gene frequencies are statistically significant for some alleles. Nei's index revealed that the greatest genetic differentiation was distributed within the seasonal groups. Nei's and Shannon's indexes exhibited similar seasonal trends, indicating that the spring group has the highest level of genetic diversity and that genetic diversity changes with the seasons. Correlation analysis found no statistically significant correlation between genetic diversity and population density. The results suggest that the seasonal changes in genetic diversity of the two species depend mainly on reproduction and dispersal.
机译：宁夏回族自治区子午线虫和箭叶天牛种群遗传多样性的季节性变化使用简单的序列重复进行监测。从子午线虫的33个样品中分离出45个可识别的DNA片段，从箭尾藻的40个样品中分离出25个。对于某些等位基因，基因频率的差异具有统计学意义。 Nei指数显示最大的遗传分化分布在季节性群体内。 Nei和Shannon指数表现出相似的季节趋势，表明春季组的遗传多样性水平最高，并且遗传多样性随季节变化。相关分析发现，遗传多样性与种群密度之间无统计学意义的相关性。结果表明，这两个物种遗传多样性的季节性变化主要取决于繁殖和传播。

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