Mining and assessment of catabolic pathways in the metagenome of a common effluent treatment plant to induce the degradative capacity of biomass

Bioresource Technology
Ravi P MoreHemant J Purohit

Abstract

Metagenome analysis was used to understand the microbial community in activated sludge treating industrial wastewaters at a Common Effluent Treatment Plant (CETP) in South India. The taxonomic profile mapped onto National Center for Biotechnology Information (NCBI) taxonomy using MEtaGenome ANalyzer (MEGAN), demonstrated that the most abundant domain belonged to prokaryotes, dominated by bacteria. Bacteria representing nine phyla were identified from the sequence data including representatives from two new phyla, Synergistetes and Elusimicrobia. Functional analysis of the metagenome, with specific reference to the metabolism of aromatic compounds, revealed the dominance of genes of the central meta-cleavage pathway. This information was used to improve the degradative efficiency in the wastewater treatment plant. A pilot scale plant was set up with 200L of activated sludge using salicylate induced sludge and results demonstrated 52% removal in chemical oxygen demand (COD) against non-induced biomass.

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Citations

Mar 19, 2014·Bioresource Technology·Niti B JadejaAtya Kapley
May 29, 2016·Environmental Science and Pollution Research International·Jaya Chakraborty, Surajit Das
Mar 5, 2016·Cellular Microbiology·Chitong RaoAlexander W Ensminger
Oct 11, 2016·Applied Biochemistry and Biotechnology·Krupa M ParmarNishant A Dafale
May 20, 2017·World Journal of Microbiology & Biotechnology·Ashwinkumar P RudrashettiR A Pandey
Jun 19, 2016·Applied and Environmental Microbiology·Federico M IbarbalzLeonardo Erijman
May 22, 2019·Functional & Integrative Genomics·Niti B JadejaAtya Kapley
Feb 25, 2020·Indian Journal of Microbiology·Jung-Kul Lee, Vipin Chandra Kalia
Jan 16, 2020·International Journal of Environmental Research and Public Health·Yongkui YangZhi Qiao
May 5, 2021·Environmental Technology·Anand VarindaniP V Nidheesh

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