Document Detail


Phosphate starvation induces uptake of glyphosate by Pseudomonas sp. strain PG2982.
MedLine Citation:
PMID:  2458066     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Pseudomonas sp. strain PG2982 has the ability to use the phosphonate herbicide, glyphosate, as a sole phosphorus source (J. K. Moore, H. D. Braymer, and A. D. Larson, Appl. Environ. Microbiol. 46:316-320, 1983). Glyphosate uptake is maximal in the late log phase of growth and is induced by phosphate starvation. Uptake is inhibited by phosphate and arsenate, but not by the amino acids glycine and sarcosine. The Km and Vmax for glyphosate uptake were calculated to be 23 microM and 0.97 nmol/mg (dry weight) per min, respectively. A phosphate transport system with a broad substrate specificity may be responsible for glyphosate uptake.
Authors:
J Fitzgibbon; H D Braymer
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Applied and environmental microbiology     Volume:  54     ISSN:  0099-2240     ISO Abbreviation:  Appl. Environ. Microbiol.     Publication Date:  1988 Jul 
Date Detail:
Created Date:  1988-10-11     Completed Date:  1988-10-11     Revised Date:  2010-09-09    
Medline Journal Info:
Nlm Unique ID:  7605801     Medline TA:  Appl Environ Microbiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1886-8     Citation Subset:  IM    
Affiliation:
Department of Microbiology, Louisiana State University, Baton Rouge 70803.
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MeSH Terms
Descriptor/Qualifier:
Glycine / analogs & derivatives*,  metabolism
Kinetics
Phosphates / metabolism*
Pseudomonas / metabolism*
Sarcosine / metabolism
Chemical
Reg. No./Substance:
0/Phosphates; 107-97-1/Sarcosine; 1071-83-6/glyphosate; 56-40-6/Glycine
Comments/Corrections

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