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GrainGenes Reference Report: GNM-45-812

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Reference	GNM-45-812
Title	Chromosome landing near avirulence gene vH13 in the Hessian fly
Journal	Genome
Year	2002
Volume	45
Pages	812-822
Author	Rider SD Sun WL Ratcliffe RH Stuart JJ
Abstract	Summary: AFLP markers in linkage disequilibrium with vH13, an avirulence gene in the Hessian fly (Mayetiola destructor) that conditions avirulence to resistance gene H13 in wheat (Triticum spp.), were discovered by bulked segregant analysis. Five AFLPs were converted into codominant site-specific markers that genetically mapped within 13 cM of this gene. Flanking markers used as probes positioned vH13 near the telomere of the short arm of Hessian fly chromosome X2. These results suggest that the X-linked avirulence genes vH6, vH9, and vH13 are present on Hessian fly chromosome X2 rather than on chromosome X1 as reported previously. Genetic complementation demonstrated that recessive alleles of vH13 were responsible for the H13-virulence observed in populations derived from four different states in the U.S.A.: Georgia, Maryland, Virginia, and Washington. Results support the hypothesis that a gene-for-gene interaction exists between wheat and Hessian fly
External Databases	Pubmed: 12416613
Keyword	[ Hide all but 1 of 22 ] aflp aflp marker aflps allele avirulence gene biotypes bulked segregant analysis canada cecidomyiidae chromosome cytogenetics eastern united-states gene gene-for-gene interaction inheritance linkage mayetiola destructor mayetiola destructor diptera resistance resistance gene triticum virulence

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