TRANSGENIC POTATO PLANTS OVEREXPRESSING THE PATHOGENESIS-RELATED STH-2 GENE SHOW UNALTERED SUSCEPTIBILITY TO PHYTOPHTHORA-INFESTANS AND POTATO VIRUS-X

被引：42

作者：

CONSTABEL, CP ^{[1
]}

BERTRAND, C ^{[1
]}

BRISSON, N ^{[1
]}

机构：

[1] UNIV MONTREAL,DEPT BIOCHEM,MONTREAL H3C 3J7,QUEBEC,CANADA

来源：

PLANT MOLECULAR BIOLOGY | 1993年 / 22卷 / 05期

关键词：

DISEASE RESISTANCE; PATHOGENESIS-RELATED PROTEINS; PLANT DEFENSE GENES; SOLANUM-TUBEROSUM;

D O I：

10.1007/BF00027364

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：

The STH-2 gene is rapidly activated in potato leaves and tubers following elicitation or infection by Phytophthora infestans. However, its biochemical function remains unknown. In order to ascertain if STH-2 protein is directly involved in the defense of potato against pathogens, the STH-2 coding sequence under the control of the CaMV 35S promoter was introduced into potato plants. Transgenic plants expressing the STH-2 gene were analyzed for an altered pattern of susceptibility to a compatible race of P. infestans and to potato virus X. Results indicate that constitutive expression of the STH-2 gene did not reduce, susceptibility of potato to these pathogens.

引用

页码：775 / 782

页数：8

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