拟果蝇自然种群中酯酶-6基因座的遗传变异性与环境异质性的关系。
Genetic variability at the esterase-6 locus in natural populations of Drosophila simulans in relation to environmental heterogeneity.
作者信息
de Albuquerque C M, Napp M
出版信息
Genetics. 1981 Jun;98(2):399-407. doi: 10.1093/genetics/98.2.399.
Abstract
The allozymic variation at at the esterase-6 locus examined in fourteen samples of natural populations of Drosophila simulans collected in two different localities. The samples were collected from different species of fruits in the two localities and from banana baits located some meters apart from the fruits. The analysis was done by sequential electrophoresis, using varied gel concentrations and buffers. By this technique, we detected 27 alleles at the esterase-6 locus, where only five alleles were detected by the usual method. The results obtained suggest that habitat choice alone may not be a selective factor, but may be selective in combination with other environmental factors.
摘要
对在两个不同地点采集的14个拟果蝇自然种群样本中的酯酶-6位点的等位酶变异进行了研究。样本是从两个地点的不同水果种类以及距离水果数米远的香蕉诱饵中采集的。分析采用连续电泳法，使用不同的凝胶胶浓度和缓冲液各不相同。通过这项技术，我们在酯酶-6位点检测到了27个等位基因，而用常规方法仅检测到5个等位基因。所得结果表明，仅栖息地选择可能不是一个选择因素，但与其他环境因素结合时可能具有选择性。
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