ACC deaminase from plant growth-promoting bacteria affects crown gall development.

ACC deaminase from plant growth-promoting bacteria affects crown gall development. Research Abstract Details 

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ACC deaminase from plant growth-promoting bacteria affects crown gall development. Abstract Text:

Youai Hao,Trevor C Charles,Bernard R Glick,

In addition to the well-known roles of indoleacetic acid and cytokinin in crown gall formation, the plant hormone ethylene also plays an important role in this process. Many plant growth-promoting bacteria (PGPB) encode the enzyme 1-aminocyclopropane-1-carboxylate (ACC) deaminase, which can degrade ACC, the immediate precursor of ethylene in plants, to alpha-ketobutyrate and ammonia and thereby lower plant ethylene levels. To study the effect of ACC deaminase on crown gall development, an ACC deaminase gene from the PGPB Pseudomonas putida UW4 was introduced into Agrobacterium tumefaciens C58, so that the effect of ACC deaminase activity on tumour formation in tomato and castor bean plants could be assessed. Plants were also coinoculated with A. tumefaciens C58 and P. putida UW4 or P. putida UW4-acdS- (an ACC deaminase minus mutant strain). In both types of experiments, it was observed that the presence of ACC deaminase generally inhibited tumour development on both tomato and castor bean plants.

ACC deaminase from plant growth-promoting bacteria affects crown gall development. Publishing Authors By Initials

Y Hao,TC Charles,BR Glick,

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ACC deaminase from plant growth-promoting bacteria affects crown gall development. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Canadian journal of microbiology

VOLUME: 53

Page Numbers: 1291-9

Journal Abbreviation: Can. J. Microbiol.

ISSN: 0008-4166

DAY: 6

MONTH: Dec

YEAR: 2007

ACC deaminase from plant growth-promoting bacteria affects crown gall development. Information

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LANGUAGE: eng

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Grant and Affiliation Information for ACC deaminase from plant growth-promoting bacteria affects crown gall development.

AFFILIATION: Department of Biology, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada.

Country: Canada

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MEDLINETA: Can J Microbiol

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