EXPRESSION OF THE ALPHA-THIONIN GENE FROM BARLEY IN TOBACCO CONFERS ENHANCED RESISTANCE TO BACTERIAL PATHOGENS

被引:137
作者
CARMONA, MJ [1 ]
MOLINA, A [1 ]
FERNANDEZ, JA [1 ]
LOPEZFANDO, JJ [1 ]
GARCIAOLMEDO, F [1 ]
机构
[1] UPM,ETSI AGRON,E-28040 MADRID,SPAIN
关键词
D O I
10.1046/j.1365-313X.1993.t01-24-00999.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Thionins are cysteine-rich, 5 kDa polypeptides which are toxic to plant pathogens in vitro. Expression of the gene encoding alpha-thionin from barley endosperm, under the 35S promoter f rom cauliflower mosaic virus, conferred to transgenic tobacco enhanced resistance to the bacterial plant pathogens Pseudomonas syringae pv. tabaci 153 and P. syringae pv. syringae. The barley alpha-thionin gene, which has two introns, was correctly spliced in tobacco. The alpha-thionin in transgenic plants had the expected mobility in the gradient, when separated by high-performance liquid chromatography, reacted with monospecific antibodies and showed the expected antibiotic properties in vitro.
引用
收藏
页码:457 / 462
页数:6
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