Article
Genetic analysis of streptomycin-resistant (Sm(R)) strains of Erwinia amylovora suggests that dissemination of two genotypes is responsible for the current distribution of Sm(R) E. amylovora in Michigan.
Phytopathology - 1 Feb 2011
McGhee Gayle C, Guasco Jesse, Bellomo Lisa M, Blumer-Schuette Sara E, Shane William W, Irish-Brown Amy, Sundin George W
Abstract excerpt
Streptomycin-resistant (Sm(R)) strains of the fire blight pathogen Erwinia amylovora were first isolated in southwest Michigan in 1991. Since that time, resistant strains have progressed northward to other apple-producing regions in the state. A total of 98.7% of Sm(R) strains isolated between 2003 and 2009 in Michigan harbored the strA-strB genes on transposon Tn5393. strA and strB encode phosphotransferase...
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