Journal
JOURNAL OF INDUSTRIAL MICROBIOLOGY & BIOTECHNOLOGY
Volume 38, Issue 4, Pages 503-511Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10295-010-0793-7
Keywords
Alkalotolerant; Biodegradation; Dibenzofuran; GC-MS; Pseudomonas sp strain ISTDF1
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Funding
- Council of Scientific and Industrial Research (CSIR), New Delhi, India
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An alkalotolerant Pseudomonas strain was enriched and isolated from effluent of the pulp and paper industry. This strain was able to degrade dibenzofuran and utilize it as a sole source of energy and carbon. The GC-MS based detection of various intermediary metabolites of biodegradation suggested the involvement of angular as well as lateral pathway of dibenzofuran biodegradation. The GC-MS based detection of various intermediary metabolites of biodegradation suggested the involvement of angular as well as lateral pathway of dibenzofuran biodegradation. This diverse dioxygenation property of the strain allowed it to utilize various recalcitrant chlorinated xenobiotics and PAHs compounds. This strain showed optimum utilization (similar to 85%) of dibenzofuran (200 mg l(-1)) within 36 h at pH 10 at 40A degrees C. The growth of the strain was supported by a wide range of environmental conditions such as temperature, pH, and concentration of dibenzofuran, suggesting that it can be used for in situ bioremediation of dioxin-like compound.
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