Contrasting complexity of two rust resistance loci in flax

J. G. Ellis, G. J. Lawrence, E. J. Finnegan, P. A. Anderson

Research output: Contribution to journalArticlepeer-review

85 Citations (Scopus)


DNA probes from the L6 rust resistance gene of flax (Linum usitatissimum) hybridize to resistance genes at the unlinked M locus, indicating sequence similarities between genes at the two loci. Genetic and molecular data indicate that the L locus is simple and contains a single gene with 13 alleles and that the M locus is complex and contains a tandem array of genes of similar sequence. Thus the evolution of these two related loci has been different. The consequence of the contrasting structures of the L and M loci on the evolution of different rust resistance specificities can now be investigated at the molecular level.

Original languageEnglish
Pages (from-to)4185-4188
Number of pages4
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number10
Publication statusPublished - 9 May 1995
Externally publishedYes


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