Genetic evidence for CheB- and CheR-dependent chemotaxis system in A. tumefaciens toward acetosyringone

被引：19

作者：

Harighi, Behrouz ^{[1
]}

机构：

[1] Univ Kurdistan, Coll Agr, Dept Plant Protect, Sanandaj, Iran

来源：

MICROBIOLOGICAL RESEARCH | 2009年 / 164卷 / 06期

关键词：

Agrobacterium; Chemotaxis; Methylesterase; Methyltransferase; Acetosyringone; AGROBACTERIUM-TUMEFACIENS; BINDING-PROTEIN; VIRA PROTEIN; PLASMID; PHOSPHORYLATION; METHYLATION; VIRULENCE; GENOME; C58;

D O I：

10.1016/j.micres.2008.11.001

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Agrobacterium tumefaciens has homologues of chemotaxis genes of the a-subgroup of proteobacteria, which include orf1, orf2, cheY1, cheA, cheR, cheB, cheY2, orf9, and orf10 and organized in one operon [Wright et at. A chemotaxis cluster from Agrobacterium tumefaciens. Gene 1998;220:83-9]. Two mutants of A. tumefaciens were created by in-frame deletions of cheB and cheR using suicide vector, pK18mobsacB. The chemosensory behaviour of mutants studied on swarm plates and in blind-well chemotaxis assay toward acetosyringone. Under the conditions tested, both CheR and CheB were essential for normal chemotaxis. (C) 2008 Elsevier GmbH. All rights reserved.

引用

页码：634 / 641

页数：8

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