GrainGenes Reference Report: JHR-85-303
Reference
JHR-85-303
Title
Genetic control of diaphorase and phosphoglucomutase isozyme variants in hexaploid oat
Journal
Journal of Heredity
Year
1994
Volume
85
Pages
303-306
Author
Salas C Murphy J
Abstract
Inheritance of diaphorase and phosphoglucomutase isozyme variants was investigated in nine F2 populations of hexaploid oat (Avena spp. using starch gel electrophoresis Three independent diaphorase loci--Dia-1, Dia-2, and Dia-3--were hypothesized to determine eight zymogram phenotypes An active (Dia-1) and a null (dia-1) allele were found at the Dia-1 locus, in agreement with a previous study Allele Dia-2 was assumed to be fixed at the second locus, and codominant alleles (Dia-3a and Dia-3b) and a null allele (dia-3) were found at the Dia-3 locus Three independent phosphoglucomutase loci--Pgm-1, Pgm-2, and Pgm-3--were hypothesized to determine seven zymogram phenotypes Allele Pgm-1 was assumed to be fixed at the first locus, and codominant (Pgm-2a and Pgm-2b) alleles and a null (pgm-2) allele were found at the Pgm-2 locus. Codominant (Pgm-3a and Pgm-3b) alleles and a null (pgm-3) allele were found at the Pgm-3 locus. Comigration of alleles Pgm-2b and Pgm-3a was observed. Allelic frequencies in cultivated and wild oat were compared, based on an interpretation of zymograph phenotypes of 1,410 hexaploid oat accessions from previous studies.
Keyword
alleles
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GrainGenes Reference Report: JHR-85-303
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||