在玉米活跃的Mu系中未检测到染色体断裂。
Chromosome breakage undetectable in active Mu lines of maize.
作者信息
Rowland L J, Robertson D S, Strommer J
机构信息
Department of Genetics, University of Georgia, Athens 30602.
出版信息
Genetics. 1989 May;122(1):205-9. doi: 10.1093/genetics/122.1.205.
Abstract
We have used a set of Mutator-induced mutants of Bz1 to test whether members of the Mutator (Mu) family of maize transposable elements produce broken chromosomes. From our inability to demonstrate the simultaneous loss of two dominant endosperm markers distal to Mu insertions at Bz1 we conclude that either Mu, unlike many elements of the Ds family, does not induce such breaks, or it does so at a very low frequency.
摘要
我们利用一组由Mutator诱变产生的Bz1突变体，来测试玉米转座因子Mutator（Mu）家族的成员是否会产生断裂染色体。由于我们无法证明在Bz1处Mu插入位点远端的两个显性胚乳标记同时缺失，因此我们得出结论：要么Mu与Ds家族的许多元件不同，不会诱导此类断裂，要么其诱导断裂的频率非常低。
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