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E-Journal of Chemistry
Volume 8, Issue 4, Pages 1582-1587
http://dx.doi.org/10.1155/2011/614109

Glyphosate Utilization as the Source of Carbon: Isolation and Identification of new Bacteria

M. Mohsen Nourouzi,1 T. G. Chuah,1 Thomas S. Y. Choong,1 and C. J. Lim2

1Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43300 UPM Serdang, Selangor, Malaysia
2Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43300 UPM Serdang, Selangor, Malaysia

Received 19 November 2010; Accepted 19 January 2011

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Mixed bacteria from oil palm plantation soil (OPS) were isolated to investigate their ability to utilize glyphosate as carbon source. Results showed that approximately all of the glyphosate was converted to aminomethyl-phosphonic acid (AMPA) (99.5%). It is worthy to note that mixed bacteria were able to degrade only 2% of AMPA to further metabolites. Two bacterial strains i.e. Stenotrophomonas maltophilia and Providencia alcalifaciens were obtained from enrichment culture. Bacterial isolates were cultured individually on glyphosate as a sole carbon source. It was observed that both isolates were able to convert glyphosate to AMPA.