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ALLELIC VARIATION AT ALPHA-AMYLASE LOCI IN HEXAPLOID WHEAT

被引：36
作者：
AINSWORTH, CC
DOHERTY, P
EDWARDS, KGK
MARTIENSSEN, RA
GALE, MD
机构：
来源：
THEORETICAL AND APPLIED GENETICS | 1985年 / 70卷 / 04期
关键词：
D O I：
10.1007/BF00273745
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
A study of .alpha.-amylase isozyme patterns from gibberellin-induced endosperms from more than 200 wheat genotypes has revealed allelic variation at five of the six .alpha.-Amy-1 and .alpha.-Amy-2 structural loci. These differences will find application as genetic markers and in varietal identification. The .alpha.-Amy-Bl locus on chromosome 6B was most variable and displayed eight distinct allelic forms. The nature of the allelic phenotypes, observations of segregating populations and the number of in vivo translation products of mRNAs from the .alpha.-Amy-1 and .alpha.-Amy-2 loci indicated that the individual loci are multigenic, each consisting of tightly linked subunits which produce several different isoforms.
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页码：400 / 406
页数：7
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