ArticlePloS one2019
Biotransformation of chromium by root nodule bacteria Sinorhizobium sp. SAR1.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Survival tactics ofFrontiers in microbiology · 2025Article
- Characterization and Molecular Insights of a Chromium-Reducing BacteriumMicroorganisms · 2024Article
- Cr(VI) removal performance from wastewater byFrontiers in microbiology · 2024Article
- A Comparative Study of Cr(VI) Sorption byPolymers · 2023Article
- Chromium Toxicity in Plants: Signaling, Mitigation, and Future Perspectives.Plants (Basel, Switzerland) · 2023Review
- Sensitivity ofInternational journal of molecular sciences · 2022Article
- Insight Into Microbes and Plants Ability for Bioremediation of Heavy Metals.Current microbiology · 2022Review
- Health hazards of hexavalent chromium (Cr (VI)) and its microbial reduction.Bioengineered · 2022Review
- Forced Biomineralization: A Review.Biomimetics (Basel, Switzerland) · 2021Review
- An experimental approach for the utilization of tannery sludge-derived Bacillus strain for biosorptive removal of Cr(VI)-contaminated wastewater.Environmental science and pollution research international · 2021Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present study aims to address the problem of chromium (Cr) toxicity by providing important insights into the mechanisms involved in its bioremediation. Among the 22 Rhizobium and Sinorhizobium isolates obtained from Sesbania sesban root nodules, Sinorhizobium sp. SAR1 (JX174035.1) tolerated the maximum Cr concentration (1mM) and hence was used for further studies. The excess secretion of extra polymeric substances, as seen from scanning electron micrographs, could be a probable mechanism of adaptation to the Cr stress. The Energy dispersive X-ray spectroscopy data did not show any peaks of Cr. The biosorption studies done on the isolate gave maximum adsorption capacity as 285.71mg/g. The isotherm studies showed a better fit to Langmuir isotherm. The Weber and Morris plot established that the phenomenon of adsorption was governed by film diffusion mechanism. The FTIR analysis suggested the role of cell wall components and extracellular polymeric substances in Cr adsorption to the biomass of Sinorhizobium. On the basis of these results a compiled mechanism of Cr (VI) adsorption and its biotransformation into Cr (III) by Sinorhizobium sp. SAR1 is explained. This work outlines a comprehensive detail for the exact phenomenon of Cr biotransformation by Sinorhizobium sp. SAR1. These results may further help in developing and enhancing effective bioremediation approaches.
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