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Assessment of Bacterial Community Structure in Saline Sediment Microcosms Exposed for the First Time to the Ionic Liquid 1-Ethyl-3-Methylimidazolium Chloride by Srikanta Pal; Abhijit Sar; Raju Biswas; Arijit Misra; Sohini Banerjee; Bomba Dam is a Environmental Science article available to read on EtoBox.

What is Assessment of Bacterial Community Structure in Saline Sediment Microcosms Exposed for the First Time to the Ionic Liquid 1-Ethyl-3-Methylimidazolium Chloride about?

Ionic liquids, such as 1-ethyl-3methylimidazolium chloride ([Emim]Cl), have immense applicability as solvents in different industrial settings including lignocellulosic biofuel production. However, these solvents are toxic to most organisms. Moderate halophiles are an established microbial group that can tolerate [Emim]Cl by employing their general salt-tolerant mechanisms. Anticipating future exposure of [Emim]Cl to natural environments, the present study was designed to evaluate bacterial community structure in slightly saline (20 g L -1 or 2%) sediments of Sambhar Salt Lake, Rajasthan, India, after microcosm enrichment with [Emim]Cl. The sediment used does not have any native [Emim]Cl (100 mM)-tolerant bacteria. However, after a two-step enrichment of 25 days each with 0.5 M and 1.0 M [Emim]Cl, the tolerant colonies increased to 54.9% and 93.0%, respectively. But in similar NaCl enrichment, or control incubations, such colonies were absent. Bacterial 16S rRNA gene amplicon sequence-based alpha diversity in 50 days [Emim]Cl-enriched set was lower than the initial, control and NaCl-enriched sets (Shannon index of 6.71 vs. 8.0-8.26, respectively). Even its bacterial community struc

Who reads Assessment of Bacterial Community Structure in Saline Sediment Microcosms Exposed for the First Time to the Ionic Liquid 1-Ethyl-3-Methylimidazolium Chloride?

Author

Srikanta Pal; Abhijit Sar; Raju Biswas; Arijit Misra; Sohini Banerjee; Bomba Dam

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Environmental Science (Physical Sciences)