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United States Department of Agriculture

Agricultural Research Service

Research Project: USING FUNCTIONAL AND APPLIED GENOMICS TO IMPROVE STRESS AND DISEASE RESISTANCE IN FRUIT TREES

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Title: Fire blight: applied genomic insights of the pathogen and host)

Author
item Malnoy, Mickael
item Martens, Stefan
item Norelli, John (jay) - Jay
item Barny, Marie-anne
item Sundin, George
item Smits, Theo
item Duffy, Brion

Submitted to: Annual Review of Phytopathology
Publication Type: Review article
Publication Acceptance Date: 6/11/2012
Publication Date: 9/1/2012
Publication URL: http://handle.nal.usda.gov/10113/56784
Citation: Malnoy, M., Martens, S., Norelli, J.L., Barny, M., Sundin, G., Smits, T., Duffy, B. 2012. Fire blight: applied genomic insights of the pathogen and host. Annual Review of Phytopathology. 50:475-494.

Interpretive Summary:

Technical Abstract: The enterobacterial phytopathogen, Erwinia amylovora, causes fire blight, an invasive disease that threatens a wide range of commercial and ornamental Rosaceae host plants. The response elicited by E. amylovora in its host during disease development is similar to the hypersensitive reaction that typically leads to resistance in an incompatible host-pathogen interaction, yet no gene-for-gene resistance has been described for this host-pathogen system. Comparative genomic analysis has found an unprecedented degree of genetic uniformity among strains of E. amylovora, suggesting that the pathogen has undergone a recent genetic bottleneck. The genome of apple, an important host of E. amylovora, has been sequenced, creating new opportunities for the study of interactions between host and pathogen during fire blight development and for the identification of resistance genes. This review includes recent advances in genomics of both host and pathogen.

Last Modified: 8/24/2016
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