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The molecular basis of co-evolution between Cladosporium fulvum and tomato

被引：15
作者：
de Wit, PJGM
Brandwagt, BF
van den Burg, HA
Cai, X
van der Hoorn, RAL
de Jong, CF
van't Klooster, J
de Kock, MJD
Kruijt, M
Lindhout, WH
Luderer, R
Takken, FLW
Westerink, N
Vervoort, JJM
Joosten, MHAJ
机构：
[1] Univ Wageningen & Res Ctr, Grad Sch Expt Plant Sci, Phytopathol Lab, NL-6709 PD Wageningen, Netherlands
[2] Biochem Lab, NL-6703 HA Wageningen, Netherlands
[3] Lab Plant Breeding, NL-6709 DB Wageningen, Netherlands
来源：
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY | 2002年 / 81卷 / 1-4期
关键词：
avirulence genes; elicitors; gene-for-gene interactions; hypersensitive response; plant defense responses; resistance genes;
D O I：
10.1023/A:1020553120889
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Cladosporium fulvum is a semi-biotrophic pathogen, which causes leaf mold of tomato (Lycopersicon spp.). In our laboratory this pathosystem serves as a model to study gene-for-gene interactions between plants and pathogenic fungi (Joosten & De Wit 1999). Many avirulence (Avr) genes and matching resistance (Cf) genes have been cloned and we are now beginning to understand how their products can induce an array of plant defense responses, including the classic hypersensitive response (HR). Here, we will discuss the latest results of our molecular studies on this interaction. These include the isolation of: (i) two new Avr genes, Avr2 and Avr4E, (ii) the determination of the specificity determinants within the Cf-4 and Cf-9 genes by artificial domain swaps and introduction of point mutations, (iii) the analysis of polymorphism occurring in AVR9-responsive Cf genes occurring in natural populations of L. pimpinellifolium, and finally (iv) the description of an efficient method to identify early HR-related genes.
引用
收藏
页码：409 / 412
页数：4
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