Pisum lipoxygenase genes.
The copy number, genomic arrangement and linkage relationships of two classes of lipoxygenase gene have been investigated in Pisum(pea) lines. Each of the two classes contained two to three members in P. sativum lines. RFLPs associated with genomic fragments containing the 5' sequences of one gene class permitted its correlation in genetical analyses with a lipoxygenase locus on linkage group 4, which was previously identified through polypeptide variation. Genetical analyses of RFLPs associated with other fragments identified by low- and medium-stringency hybridization to lipoxygenase cDNAs indicate the existence of other unlinked lipoxygenase gene loci.
John Innes Institute, Colney Lane, NR4 7UH, Norwich, UK.
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Domoney
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Casey
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Turner
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Ellis