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首页> 外文期刊>Genetical Research >Does RNA interference influence meiotic crossing over in Drosophila melanogaster?
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Does RNA interference influence meiotic crossing over in Drosophila melanogaster?

机译：RNA干扰会影响果蝇的减数分裂穿越吗？

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摘要

Mutations in the RNA interference (RNAi) genes aubergine (aub), homeless and piwi were tested for effects on the frequency, distribution and coincidence of meiotic crossovers in the long arm of the X chromosome. Some increases in crossover frequency were seen in these tests, but they may have been due to a maternal effect of the balancer chromosomes that were used to maintain the RNAi mutations in stocks rather than to the RNAi mutations themselves. These same balancers produced strong zygotic interchromosomal effects when tested separately. Mutations in aub and piwi did not affect the frequency of crossing over in the centric heterochromatin of chromosome II; nor did a balancer chromosome III.
机译：测试了RNA干扰（RNAi）基因茄子（aub），无家可归和piwi突变对X染色体长臂减数分裂频率，频率和重合的影响。在这些测试中发现交叉频率有所增加，但这可能是由于平衡染色体的母体效应所致，该平衡染色体用于维持种群中的RNAi突变，而不是RNAi突变本身。当单独测试时，这些相同的平衡剂产生很强的合子染色体间作用。 aub和piwi中的突变不影响II号染色体中心异染色质的交换频率。平衡染色体III也没有。

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