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The Cladosporium fulvum Avr2 effector is a novel type of cysteine protease inhibitor with eight cysteine residues that are all involved in disulphide bonds. We have produced wild-type Avr2 protein in Pichia pastoris and determined its disulphide bond pattern. By site-directed mutagenesis of all eigh
Pathogene schimmels doen spontaan waar organisaties als Greenpeace van gruwen: ze wisselen genen of zelfs hele chromosomen uit met andere schimmelsoorten. Dat blijkt uit een artikel in FEMS Microbiology Reviews van de Wageningse genetici Rahim Mehrabi, Pierre de Wit en Gert Kema van Wageningen UR.
Plant pathogenic fungi adapt quickly to changing environments including overcoming plant disease resistance genes. This is usually achieved by mutations in single effector genes of the pathogens, enabling them to avoid recognition by the host plant. In addition, horizontal gene transfer (HGT) and ho
Abstract The plant-pathogenic fungus Mycosphaerella graminicola (asexual stage: Septoria tritici) causes septoria tritici blotch, a disease that greatly reduces the yield and quality of wheat. This disease is economically important in most wheat-growing areas worldwide and threatens global food pr
Early detection of infection is very important for efficient management of Mycosphaerella graminicola leaf blotch. To monitor and quantify the occurrence of this fungus during the growing season, a diagnostic method based on real-time PCR was developed. Standard and real-time PCR assays were develop
Zn2Cys6 transcription factors are unique to fungi and have been reported to be involved in different regulatory functions. Here, we characterized EBR1 (enhanced branching 1), a novel Zn2Cys6 transcription factor of Fusarium graminearum. Knocking out EBR1 in F. graminearum PH-1 caused reduction of bo
Most fungal effectors characterized so far are species-specific and facilitate virulence on a particular host plant. During infection of its host tomato, Cladosporium fulvum secretes effectors that function as virulence factors in the absence of cognate Cf resistance proteins and induce effector-tri
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