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Biodegradition of monochloroacetic acid by a presumptive Pseudomonas sp. strain R1 bacterium isolated from Malaysian paddy (rice) field

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Date
2008
Author
Ismail, Siti Nurmadihah
Taha, Aishah Mohd
Jing, Ng Hong
Wahab, Roswanira Ab.
Hamid, Aidil Abdul
Pakingking, Rolando V., Jr. ORCID
Huyop, Fahrul
Page views
980
ASFA keyword
agricultural pollution ASFA
aquatic plants ASFA
biochemistry ASFA
biodegradation ASFA
microorganisms ASFA
organic compounds ASFA
rice fields ASFA
Bacteria ASFA
AGROVOC keyword
Oryza sativa AGROVOC
Pseudomonas AGROVOC
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Abstract
A bacterial strain tentatively identified as Pseudomonas sp. R1 was isolated from a paddy (rice) field that could degrade monochloroacetic acid (MCA) for concentrations ranging from 5 to 40 mM. Quantitative agreement between the amount of MCA introduced and chloride released was also found. MCA dehalogenase activity in this strain was found to be inducible. Cell-free extracts displayed dehalogenating activity with specific halogenated organic compound with no activity on dichloropropionic acid or monochloropropionic acid. The estimated Km values for MCA was 0.14 mM. The optimal pH range for MCA dehalogenase activity (between pH 6.5 and 8.0), whereas the thermal stability profile stable up to 50 °C. The results of our current study demonstrated the potential use of Pseudomonas sp. R1 as suitable biological agent for biodegradation of MCA in contaminated agricultural area.
URI
http://hdl.handle.net/10862/2080
Suggested Citation
Ismail, S. N., Taha, A. M., Jing, N. H., Wahab, R. A., Hamid, A. A., Pakingking, R. V., Jr., & Huyop, F. (2008). Biodegradition of monochloroacetic acid by a presumptive Pseudomonas sp. strain R1 bacterium isolated from Malaysian paddy (rice) field. Biotechnology, 7(3), 481-486. https://doi.org/10.3923/biotech.2008.481.486 
DOI
10.3923/biotech.2008.481.486
Type
Article
ISSN
1682-296X; 1682-2978
Collections
  • Journal Articles [1180]


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