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. 1995 May 9;92(10):4185-8.
doi: 10.1073/pnas.92.10.4185.

Contrasting complexity of two rust resistance loci in flax

J G Ellis  1 , G J Lawrence, E J Finnegan, P A Anderson
Affiliations

Contrasting complexity of two rust resistance loci in flax

J G Ellis et al. Proc Natl Acad Sci U S A. .

Abstract

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

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References

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