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Characterization and identification of phenol degrading bacteria isolated from industrial waste

Ahmad, Nazir, Ahmed, Iftikhar, Iqbal, Muhammad, Khalid, Nauman, Mehboob, Farrakh, Ahad, Karam and Muhammad Ali, Ghulam 2015, Characterization and identification of phenol degrading bacteria isolated from industrial waste, Pakistan journal of agricultural sciences, vol. 52, no. 1, pp. 219-231.

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Title Characterization and identification of phenol degrading bacteria isolated from industrial waste
Author(s) Ahmad, Nazir
Ahmed, Iftikhar
Iqbal, Muhammad
Khalid, NaumanORCID iD for Khalid, Nauman orcid.org/0000-0002-8045-199X
Mehboob, Farrakh
Ahad, Karam
Muhammad Ali, Ghulam
Journal name Pakistan journal of agricultural sciences
Volume number 52
Issue number 1
Start page 219
End page 231
Total pages 13
Publisher University of Agriculture Pakistan
Place of publication Faisalabad, Pakistan
Publication date 2015-03
ISSN 0552-9034
2076-0906
Keyword(s) phenol biodegradation
industrial waste
organic pollution
Rhodococcus
Stenotrophomonas
Lysinibacillus
Summary Phenol is a toxic organic pollutant to living cells and its biodegradation is considered the best method due to its environment friendly nature and cost effectiveness. In this study, eight bacterial strains were isolated through enrichment on mineral salt media supplemented with 300 mgL -1 phenol. The isolated strains were identified by 16S rRNA gene sequence analysis and belonged to genera: Rhodococcus, Stenotrophomonas, Lysinibacillus, Comamonas, Microbacterium, Pseudomonas and Halomonas. The results of phenol biodegradation experiments (conducted at pH 7 and 30°C temperature) showed that the strains could degrade 750 mg L -1 phenol within 40 to 96 hours. The average phenol degradation rate by the strains was 12.5 to 34.8 mgL -1 h-1. The most rapid phenol degradation was observed for Rhodococcus sp. NCCP-309 and Rhodococcus sp. NCCP-312, whereas, Stenotrophomonas sp. NCCP-311, Lysinibacillus sp. NCCP-313, Comamonas sp. NCCP-314 and Microbacterium sp. NCCP-351 took longer time in phenol degradation. The results of our study suggested that these strains are efficient in phenol biodegradation and can be used for the bioremediation of waste water containing phenol.
Language eng
Field of Research 060399 Evolutionary Biology not elsewhere classified
100203 Bioremediation
Socio Economic Objective 961407 Urban and Industrial Soils
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, University of Agriculture Pakistan
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086048

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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