Genetic control of esterase-6 isozymes in hexaploid wheat and rye |
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Authors: | N. Jouve F. Diaz |
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Affiliation: | (1) Department of Cellular Biology and Genetics. Faculty of Sciences, University of Alcalá de Henares, Apdo. 20, Alcalá de Henares, (Madrid), Spain |
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Abstract: | Summary The EST-6 leaf esterase phenotypes from euploid, nullisomic-tetrasomic and rye chromosome addition and substitution lines of common wheat were determined using polyacrylamide gel electrophoresis. Evidence is presented to demonstrate that Est-6 is a new set of genes, that are expressed in the leaf. The Est-6 gene set were clearly distinguished from the Est-5 genes which are expressed in the grain. The three homoeoallelic loci, Est-A6, Est-B6 and Est-D6, were located on chromosomes 3A, 3B and 3D. An Est-R6 gene was located on chromosome 6R is involved in rye. Some considerations concerning homoeology between homoeologous group 3 of wheat and the rye chromosome 6R are made. |
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Keywords: | Triticum aestivum wheat Secale cereale rye isozyme loci esterase homoeology relationships |
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