Abstract
Bacterial strains were isolated from endosulfan treated soil to study the microbial degradation of this pesticide in broth medium and soil microcosm. The isolates were grown in minimal medium and screened for endosulfan degradation. The strain, which utilized endosulfan and showed maximum growth, was selected for detail studies. Maximum degrading capability in shake flask culture was shown by Bordetella sp. B9 which degraded 80% of α endosulfan and 86% of β endosulfan in 18 days. Soil microcosm study was also carried out using this strain in six different treatments. Endosulfan ether and endosulfan lactone were the main metabolites in broth culture, while in soil microcosm endosulfan sulfate was also found along with endosulfan ether and endosulfan lactone. This bacterial strain has a potential to be used for bioremediation of the contaminated sites.
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Acknowledgements
This work was partially supported by DBT research grant, sanction No. BT/PR5755/BCE/08/385/2005, which is gratefully acknowledge. We are thankful to Dr. Komal Vig for her support in this experiment.
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Goswami, S., Singh, D.K. Biodegradation of α and β endosulfan in broth medium and soil microcosm by bacterial strain Bordetella sp. B9. Biodegradation 20, 199–207 (2009). https://doi.org/10.1007/s10532-008-9213-3
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DOI: https://doi.org/10.1007/s10532-008-9213-3