Asexual fungus Verticillium dahliae is potentially heterothallic

被引:53
|
作者
Usami, Toshiyuki [1 ]
Itoh, Mizuho [1 ]
Amemiya, Yoshimiki [1 ]
机构
[1] Chiba Univ, Grad Sch Hort, Chiba 2718510, Japan
关键词
Verticillium dahliae; Alpha box; Mating type idiomorph; MAT1-1; MAT1-2; Heterothallism; MATING-TYPE LOCI; GENE; CLONING;
D O I
10.1007/s10327-009-0197-6
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Verticillium dahliae, a soilborne plant pathogen, causes wilt disease in many important crops. We reported previously that the mating type gene MAT1-2-1 is spread to isolates of this asexual fungus. However, we did not determine whether V. dahliae is homothallic or heterothallic because the opposite mating type gene, MAT1-1-1, had not been identified. In the present study, we identified the MAT1-1-1 gene from an isolate lacking MAT1-2-1 and the mating type idiomorphs of V. dahliae. Each isolate we tested contained either the MAT1-1 or MAT1-2 idiomorph, indicating that the asexual fungus V. dahliae is potentially heterothallic.
引用
收藏
页码:422 / 427
页数:6
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