SPECIFIC SEROLOGICAL DETECTION OF THE TRANSMISSIBLE VIRUS IN PEA SEED INFECTED BY PEA SEED-BORNE MOSAIC-VIRUS

被引：5

作者：

MASMOUDI, K ^{[1
]}

SUHAS, M ^{[1
]}

KHETARPAL, RK ^{[1
]}

MAURY, Y ^{[1
]}

机构：

[1] NATL BUR PLANT GENET RESOURCES,NEW DELHI 110012,INDIA

来源：

PHYTOPATHOLOGY | 1994年 / 84卷 / 07期

关键词：

D O I：

10.1094/Phyto-84-756

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The capsid protein of pea seed-borne mosaic virus (PSbMV), analyzed in mature pea seed, had a molecular mass of 33 kDa in infected embryos but a molecular mass of only 29-27 kDa in seed testas. A proteinase activity, induced in pea seed testas, efficiently cleaved the capsid protein in vitro as did a mild trypsin treatment. The occurrence of this proteinase activity was independent of the infection; its physiological induction in testas occurred at a development stage that corresponds to the active growth of the embryo. The use of an antiserum specific to the deleted part of the protein enabled detection of PSbMV only in embryos. This serological differentiation between the seed-transmitted and seedborne virus may have a direct application in the routine screening of pea seed lots.

引用

页码：756 / 760

页数：5

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