The chromosomal location of a third set of malate dehydrogenase loci, Mdh-3, in wheat, barley and related species.
A third set of malate dehydrogenase loci have been identified and located on the short arms of homoeologous group 5 chromosomes in wheat. Allelic differences have been found at each of the three Mdh-3 loci. However, Mdh-D3 appears to be least variable, with a second allele found only in Sears' 'Synthetic' among a survey of 42 varieties. Homoeoloci were identified on chromosome 7 (5H) of Hordeum vulgare, the short arm of 5E in Agropyron elongatum and 5U in Aegilops umbellulata.
Cambridge Laboratory, Institute of Plant Science Research, CB2 2JB, Trumpington, Cambridge, UK.
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Liu
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Gale