IDENTIFICATION OF A BASIC PATHOGENESIS-RELATED, THAUMATIN-LIKE PROTEIN OF VIRUS-INFECTED TOBACCO AS OSMOTIN

被引：40

作者：

STINTZI, A ^{[1
]}

HEITZ, T ^{[1
]}

KAUFFMANN, S ^{[1
]}

LEGRAND, M ^{[1
]}

FRITIG, B ^{[1
]}

机构：

[1] UNIV STRASBOURG 1,CNRS,INST BIOL MOLEC PLANTES,12 RUE GEN ZIMMER,F-67084 STRASBOURG,FRANCE

来源：

PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY | 1991年 / 38卷 / 02期

关键词：

D O I：

10.1016/S0885-5765(05)80131-6

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A basic PR protein was isolated and characterized from Samsun NN tobacco leaves infected with tobacco mosaic virus. The protein is serologically-related to the pathogenesis-related (PR) proteins R and S, the thaumatin-like (TL) proteins so-called because of their high level of homology with thaumatin, a sweet-tasting protein from the West African shrub Thaumatococcus daniellii Benth. Its amino acid composition and its NH2-terminal sequence indicate that this PR protein is in fact osmotin, a protein known to accumulate in tobacco cells in response to osmotic stress. A specific serum was obtained and used in immunoblotting experiments to study the serological relationships of TL-proteins of tobacco and to compare the induction of osmotin and acidic PR proteins R and S during the hypersensitive reaction of tobacco to tobacco mosaic virus. © 1991 Academic Press Limited.

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页码：137 / 146

页数：10

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