DIFFERENTIATION OF ERWINIA-CAROTOVORA SUBSP CAROTOVORA AND ERWINIA-CAROTOVORA SUBSP ATROSEPTICA ISOLATED FROM POTATO BY WESTERN-BLOT AND SUBSEQUENT INDIRECT ELISA

被引：10

作者：

ALARCON, B ^{[1
]}

LOPEZ, MM ^{[1
]}

CAMBRA, M ^{[1
]}

GORRIS, MT ^{[1
]}

GUERRI, J ^{[1
]}

机构：

[1] INST VALENCIANO INVEST AGRARIAS,APARTADO OFICIAL 46113,VALENCIA,SPAIN

来源：

JOURNAL OF APPLIED BACTERIOLOGY | 1990年 / 69卷 / 01期

关键词：

D O I：

10.1111/j.1365-2672.1990.tb02906.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Electrotransfer of protein bands from a polyacrylamide gel to a hydrophobic poly‐vinylidene difluoride (PVDF) membrane (Western blot) and their serological determination by indirect ELISA (immunoblotting) were used to differentiate Erwinia carotovora subsp. carotovora (Ecc) from Erwinia carotovora subsp. atroseptica (Eca). Ninety strains: 69 Ecc, 19 Eca and two Erwinia chrysanthemi (Echr) were examined. Eight polyclonal antisera against whole cells, glutaraldehyde fixed cells, glycopro‐teins, and somatic antigens were prepared. Antisera produced with glutaraldehyde fixed cells did not recognize any band of the protein pattern. The remaining antisera recognized a limited number of bands. Two protein bands allowed differentiation of the two subspecies by the antisera against glycoproteins. One band with an estimated molecular weight of 36000 Da was present in the 19 Eca strains tested and another band with an estimated molecular weight of 35 000 Da was present in the 69 Ecc strains, except for three cases. The strains of Echr showed a band with an estimated weight of 33 000 Da. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：17 / 24

页数：8

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