REGULATION OF A HEVEIN-LIKE GENE IN ARABIDOPSIS

被引:139
作者
POTTER, S [1 ]
UKNES, S [1 ]
LAWTON, K [1 ]
WINTER, AM [1 ]
CHANDLER, D [1 ]
DIMAIO, J [1 ]
NOVITZKY, R [1 ]
WARD, E [1 ]
RYALS, J [1 ]
机构
[1] CIBA GEIGY CORP,DEPT MOLEC GENET,RES TRIANGLE PK,NC 27709
关键词
D O I
10.1094/MPMI-6-680
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
An Arabidopsis cDNA clone was isolated that encodes a protein similar to the antifungal chitin-binding protein hevein from rubber tree latex. This hevein-like (HEL) mRNA was inducible by either turnip crinkle virus infection or ethylene treatment. In addition, expression was moderately inducible by treatment with the resistance-inducing compounds salicylic acid and 2,6-dichloroiso-nicotinic acid. The 786-bp cDNA contains an open reading frame of 212 codons. The deduced amino acid sequence contains a putative signal sequence of 21 amino acids followed by a 43-amino-acid cysteine-rich lectin domain and a 129-amino-acid carboxy-terminal domain. The predicted protein is approximately 70% identical to hevein, to the wound-inducible WIN1 and WIN2 proteins from potato, and to PR-4, a pathogenesis-related protein from tobacco.
引用
收藏
页码:680 / 685
页数:6
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