Publication Abstract

Title
Sterol content analysis suggests altered eburicol 14a-demethylase (CYP51) activity in isolates of Mycosphaerella graminicola adapted to azole fungicides
Publication Abstract

Sterol content analysis suggests altered eburicol 14a-demethylase (CYP51) activity in isolates of Mycosphaerella graminicola adapted

T. P. Bean*, H. J. Cools, J. A. Lucas, N. D. Hawkins, J. L. Ward, M. W. Shaw and B. A. Fraaije

The recent decline in the effectiveness of some azole fungicides in controlling the wheat pathogen Mycosphaerella graminicola has been associated with mutations in the CYP51 gene encoding the azole target, the eburicol 14a-demethylase (CYP51), an essential enzyme of the ergosterol  biosynthesis pathway. In this study, analysis of the sterol content of M. graminicola isolates carrying different variants of the CYP51 gene has revealed quantitative differences in sterol intermediates, particularly the CYP51 substrate eburicol. Together with CYP51 gene expression studies, these data suggest that mutations in the CYP51 gene impact on the activity of the CYP51 protein.

Reference:

T. P. Bean*, H. J. Cools, J. A. Lucas, N. D. Hawkins, J. L. Ward, M. W. Shaw and B. A. Fraaije (2009) Sterol content analysis suggests altered eburicol 14a-demethylase (CYP51) activity in isolates of Mycosphaerella graminicola adapted. FEMS lett 296; 266-273

Publication Internet Address of the Data
Publication Authors
T. P. Bean*, H. J. Cools, J. A. Lucas, N. D. Hawkins, J. L. Ward, M. W. Shaw and B. A. Fraaije
Publication Date
May 2009
Publication Reference
FEMS lett 296; 266-273
Publication DOI: https://doi.org/