玉米中 spm 控制的青铜突变等位基因的特征。
Characterization of an spm-controlled bronze-mutable allele in maize.
机构信息
Department of Genetics, University of Wisconsin, Madison, Wisconsin 53706.
出版信息
Genetics. 1984 Apr;106(4):769-79. doi: 10.1093/genetics/106.4.769.
Abstract
The association of a receptor (Rs) of the Spm system with a Bz-1 allele has created a two-element Spm-controlled bz-mutable allele (bz-m13) of maize (Zea mays L.). In the absence of Spm, one copy of bz-m13 (bz/bz/bz-m13 ) conditions full anthocyanin production in the aleurone layer of the seed. In the presence of this Spm, bz-m13 produces a unique, coarsely variegated seed phenotype and has a high rate (50-83%) of gametic change to stable bz' or Bz' derivatives. Even one copy of a Bz' derivative allele conditions full anthocyanin production in the aleurone, but the enzyme (UFGT) level of the progenitor Bz-1 allele is not restored in most Bz' derivatives.
摘要
Spm 系统的受体 (Rs) 与 Bz-1 等位基因的关联，创造了一种二元件 Spm 控制的玉米 (Zea mays L.) bz 可突变等位基因 (bz-m13)。在没有 Spm 的情况下，bz-m13 的一个拷贝 (bz/bz/bz-m13) 使种子糊粉层中完全产生花青素。在存在这种 Spm 的情况下，bz-m13 产生独特的、粗糙斑驳的种子表型，并有很高的配子变化率 (50-83%) 到稳定的 bz'或 Bz'衍生物。即使一个拷贝的 Bz'衍生物等位基因使糊粉层中完全产生花青素，但大多数 Bz'衍生物中前体 Bz-1 等位基因的酶 (UFGT) 水平并没有恢复。
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本文引用的文献
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Controlling element-induced alterations in UDPglucose:flavonoid glucosyltransferase, the enzyme specified by the bronze locus in maize.控制元件诱导的UDP葡萄糖：类黄酮葡萄糖基转移酶的变化，该酶由玉米青铜基因座所决定。
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