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Evidence For The Role Of Cyp51a And Xenobiotic Detoxification In Differential Sensitivity To Azole Fungicides In Boxwood Blight Pathogens, Stefanos Stravoravdis, Robert E. Marra, Nicholas R. Leblanc, Joanne Crouch, Jonathan P. Hulvey
Evidence For The Role Of Cyp51a And Xenobiotic Detoxification In Differential Sensitivity To Azole Fungicides In Boxwood Blight Pathogens, Stefanos Stravoravdis, Robert E. Marra, Nicholas R. Leblanc, Joanne Crouch, Jonathan P. Hulvey
Microbiology Department Faculty Publication Series
Boxwood blight, a fungal disease of ornamental plants (Buxus spp.), is caused by two sister species, Calonectria pseudonaviculata (Cps) and C. henricotiae (Che). Compared to Cps, Che is documented to display reduced sensitivity to fungicides, including the azole class of antifungals, which block synthesis of a key fungal membrane component, ergosterol. A previous study reported an ergosterol biosynthesis gene in Cps, CYP51A, to be a pseudogene, and RNA-Seq data confirm that a functional CYP51A is expressed only in Che. The lack of additional ergosterol biosynthesis genes showing significant differential expression suggests that the functional CYP51A in Che could contribute to …