Summary
Isoelectric focussing was used to separate the isozymes of aminopeptidase of wheat and its relatives. Three distinct homoeoallelic sets of genes have been shown to be present. AMP-1, controlled by genes on the long arms of group 6, has previously been described, but two new systems, AMP-2 (group 4) and AMP-3 (group 7) are described here. The three systems are distinguished by their electrophoretic characteristics, by their genetic control and by their substrate specificity. Intervarietal, interspecific and intergeneric polymorphism has been observed at most of the loci. A further set of isozymes, AMP-4, was detected but the chromosomal control of these could not be determined.
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Communicated by J. W. Snape
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Koebner, R.M.D., Martin, P.K. Chromosomal control of the aminopeptidases of wheat and its close relatives. Theoret. Appl. Genetics 78, 657–664 (1989). https://doi.org/10.1007/BF00262561
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DOI: https://doi.org/10.1007/BF00262561