粪生粪壳菌中的转复制与交换。
Transreplication and crossing over in Sordaria fimicola.
作者信息
KITANI Y, OLIVE L S, EL-ANI A S
出版信息
Science. 1961 Sep 8;134(3480):668-9. doi: 10.1126/science.134.3480.668.
PMID:13756458
Abstract
A study of the segregation of markers closely linked to the gray ascospore color locus in Sordaria fimicola reveals that there is a high incidence of crossing over very near the locus when it transreplicates, which is much more pronounced in 5:3 than in 6:2 asci. Also, a single 7:1 and several aberrant 4:4 asci are described. At a different spore color locus, transreplication yields only 6:2 ratios, while other spore color loci fail to transreplicate altogether
摘要
一项关于与粪生粪壳菌灰色子囊孢子颜色位点紧密连锁的标记分离的研究表明，当该位点进行反式复制时，在其非常接近的位置发生交换的频率很高，这在5:3的子囊中比在6:2的子囊中更为明显。此外，还描述了一个单一的7:1和几个异常的4:4子囊。在另一个孢子颜色位点，反式复制仅产生6:2的比例，而其他孢子颜色位点则完全不发生反式复制。
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