Biodegradation of bisphenol A using psychrotolerant bacterial strain Pseudomonas palleroniana GBPI_508

A psychrotolerant bacterial strain of Pseudomonas sp. ( P . palleroniana GBPI_508), isolated from the Indian Himalayan region, is studied for analyzing its potential for degrading bisphenol A (BPA). Response surface methodology using Box–Behnken design was used to statistically optimize the environm...

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Bibliographic Details
Published in:Archives of microbiology 2022-05, Vol.204 (5), p.272-272, Article 272
Main Authors: Thathola, Pooja, Agnihotri, Vasudha, Pandey, Anita, Upadhyay, Santosh Kumar
Format: Article
Language:English
Subjects:
Bacteria
Benzhydryl Compounds - metabolism
Biochemistry
Biodegradation
Biodegradation, Environmental
Biomedical and Life Sciences
Biotechnology
Bisphenol A
Cell Biology
Design optimization
Ecology
Environmental factors
Growth rate
Inoculum
Intermediates
Life Sciences
Microbial Ecology
Microbiology
Original Paper
Phenols
Propionic acid
Pseudomonas
Pseudomonas - metabolism
Regression coefficients
Response surface methodology
Soil Microbiology
Valeric acid
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Summary:A psychrotolerant bacterial strain of Pseudomonas sp. ( P . palleroniana GBPI_508), isolated from the Indian Himalayan region, is studied for analyzing its potential for degrading bisphenol A (BPA). Response surface methodology using Box–Behnken design was used to statistically optimize the environmental factors during BPA degradation and the maximum degradation (97%) was obtained at optimum conditions of mineral salt media pH 9, experimental temperature 25 °C, an inoculum volume of 10% (v/v), and agitation speed 130 rpm at the BPA concentration 270 mg L −1 . The Monod model was used for understanding bacterial degradation kinetics, and 37.5 mg −1 half saturation coefficient ( K S ) and 0.989 regression coefficient ( R 2 ) were obtained. Besides, the utmost specific growth rate µmax was witnessed as 0.080 h −1 with the GBPI_508 during BPA degradation. Metabolic intermediates detected in this study by GC–MS were identified as valeric acid, propionic acid, diglycolic acid, and phenol. The psychrotolerant bacterial strain of Pseudomonas sp. ( P . palleroniana GBPI_508), isolated from the Indian Himalayan region has shown good potential for remediation of BPA at variable conditions.
ISSN:0302-8933
1432-072X
DOI:10.1007/s00203-022-02885-y