A novel regulatory element involved in rapid activation of parsley ELI7 gene family members by fungal elicitor or pathogen infection

被引:40
作者
Kirsch, Christoph [1 ]
Takamiya-Wik, Monica [1 ]
Schmelzer, Elmon [1 ]
Hahlbrock, Klaus [1 ]
Somssich, Imre E. [1 ]
机构
[1] Max Planck Inst Zuchtungsforsch, Biochem Abt, D-50829 Cologne, Germany
关键词
D O I
10.1046/j.1364-3703.2000.00029.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
In parsley (Petroselinum crispum), members of the ELI7 gene family were rapidly transcriptionally activated following treatment with an elicitor derived from the phytopathogen Phytophthora sojae. Several cDNA and genomic ELI7 clones were isolated. The deduced amino acid sequences revealed close similarity to fatty acid desaturases/hydroxylases, however, the precise functions are still unknown. Analysis of the promoters of two strongly elicitor-induced family members, ELI7.1 and ELI7.2, allowed us to functionally pinpoint a novel, independently acting regulatory region (S box), the only major sequence similarity between the two gene promoters. In situ RNA/RNA hybridization using an ELI7.1 gene-specific probe demonstrated that expression of this gene is rapidly and locally induced around infection sites in planta as well.
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收藏
页码:243 / 251
页数:9
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