Phenotypic and phylogenic groups to evaluate the diversity of Citrobacter isolates from activated biomass of effluent treatment plants

The diversity of Citrobacter isolated from effluent treatment plants (ETPs) was studied using three different parameters. Thirty Citrobacter strains were isolated from different ETPs treating wastewaters generated at various industries. All the isolates were characterized based on biochemical tests,...

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Veröffentlicht in:Bioresource technology 2008-03, Vol.99 (5), p.1189-1195
Hauptverfasser: Selvakumaran, S., Kapley, Atya, Kalia, Vipin C., Purohit, Hemant J.
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container_end_page 1195
container_issue 5
container_start_page 1189
container_title Bioresource technology
container_volume 99
creator Selvakumaran, S.
Kapley, Atya
Kalia, Vipin C.
Purohit, Hemant J.
description The diversity of Citrobacter isolated from effluent treatment plants (ETPs) was studied using three different parameters. Thirty Citrobacter strains were isolated from different ETPs treating wastewaters generated at various industries. All the isolates were characterized based on biochemical tests, antibiotic assay/functional analysis, and phylogenetic analysis. Results demonstrated that the pattern of grouping varied based on the selected criteria for analysis. Species that clustered together by biochemical analysis were found to vary by functional and 16S rDNA analysis and vice versa. This suggests that multiple methods approach needs to be carried out to understand the microbial diversity. Bacteria in effluent treatment plants are exposed to diverse categories of pollutants. Salicylate is a key intermediate formed during biodegradation of several aromatic compounds, a scenario expected in ETPs. Hence, the Citrobacter isolates were screened for their capability to utilize salicylate. In future studies, these isolates can be incorporated in a bioremediation program.
doi_str_mv 10.1016/j.biortech.2007.02.021
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subjects Anti-Bacterial Agents - pharmacology
Antibiotics
Biological and medical sciences
Biomass
Citrobacter
Citrobacter - drug effects
Citrobacter - genetics
Citrobacter - metabolism
Drug Resistance, Bacterial
Fundamental and applied biological sciences. Psychology
Genetic diversity
Genetic Variation
Microbial diversity
Phylogenetic analysis
Phylogeny
Polymerase chain reaction
Waste Disposal, Fluid - methods
title Phenotypic and phylogenic groups to evaluate the diversity of Citrobacter isolates from activated biomass of effluent treatment plants
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