How Xanthomonas type III effectors manipulate the host plant

被引:164
作者
Kay, Sabine [1 ]
Bonas, Ulla [1 ]
机构
[1] Univ Halle Wittenberg, Inst Biol, Dept Genet, D-06120 Halle, Germany
关键词
CAMPESTRIS PV. VESICATORIA; PROGRAMMED CELL-DEATH; NF-KAPPA-B; PATHOGEN XANTHOMONAS; DISEASE RESISTANCE; BACTERIAL-BLIGHT; VIRULENCE FACTOR; GENE-EXPRESSION; PROTEIN AVRBS3; YOPJ;
D O I
10.1016/j.mib.2008.12.006
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Pathogenicity of Xanthomonas and most other Gram-negative phytopathogenic bacteria depends on a conserved type III secretion (T3S) system which injects more than 25 different effector proteins into the plant cell. Extensive studies in the last years on the molecular mechanisms of type III effector function revealed that effector proteins with enzymatic functions seem to play important roles in the interaction of Xanthomonas with its host plants, for example, the SUMO protease XopD. In addition, xanthomonads express a unique class of type III effectors to pursue another strategy. Effectors of the AvrBs3 family, so far only identified in Xanthomonas spp. and Ralstonia solanacearum, mimic plant transcriptional activators and manipulate the plant transcriptome.
引用
收藏
页码:37 / 43
页数:7
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