Rapid arsenite oxidation by Paenarthrobacter nicotinovorans strain SSBW5: unravelling the role of GlpF, aioAB and aioE genes

Mujawar, Sajiya Yusuf; Shamim, Kashif; Vaigankar, Diviya Chandrakant; Naik, Milind Mohan; Dubey, Santosh Kumar

doi:10.1007/s00203-023-03673-y

Arch Microbiol

2023

DOI: 10.1007/s00203-023-03673-y

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Rapid arsenite oxidation by Paenarthrobacter nicotinovorans strain SSBW5: unravelling the role of GlpF, aioAB and aioE genes

Sajiya Yusuf Mujawar,

Kashif Shamim,

Diviya Chandrakant Vaigankar

et al.

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2024

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Cited by 3 publications

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Exploring Arsenic Transformation and Chemotaxis in a Pseudomonas sp.

Arora,

Gangwar,

Sagar

et al. 2024

J. Pure Appl. Microbiol.

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An arsenic-resistant bacteria (strain PKA 200) was isolated from the Hindon River (Ghaziabad) after analyzing its water sample. Strain PKA 200 belongs to the Pseudomonas genus and can convert harmful arsenite [As (III)] into less harmful arsenate [As(V)]. Strain PKA 200 exhibits a remarkable ability to sense and move towards arsenite. Strain PKA 200 is a promising candidate for studying how bacteria sense and transform arsenic. Here, we report a novel circular plate assay to demonstrate both chemotaxis and biotransformation of arsenite by Pseudomonas sp. PKA 200.

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Exploring Arsenic Transformation and Chemotaxis in a Pseudomonas sp.

Arora,

Gangwar,

Sagar

et al. 2024

J. Pure Appl. Microbiol.

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Taxonomic Diversity and Functional Traits of Soil Bacterial Communities under Radioactive Contamination: A Review

Belykh,

Maystrenko,

Velegzhaninov

et al. 2024

Microorganisms

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Studies investigating the taxonomic diversity and structure of soil bacteria in areas with enhanced radioactive backgrounds have been ongoing for three decades. An analysis of data published from 1996 to 2024 reveals changes in the taxonomic structure of radioactively contaminated soils compared to the reference, showing that these changes are not exclusively dependent on contamination rates or pollutant compositions. High levels of radioactive exposure from external irradiation and a high radionuclide content lead to a decrease in the alpha diversity of soil bacterial communities, both in laboratory settings and environmental conditions. The effects of low or moderate exposure are not consistently pronounced or unidirectional. Functional differences among taxonomic groups that dominate in contaminated soil indicate a variety of adaptation strategies. Bacteria identified as multiple-stress tolerant; exhibiting tolerance to metals and antibiotics; producing antioxidant enzymes, low-molecular antioxidants, and radioprotectors; participating in redox reactions; and possessing thermophilic characteristics play a significant role. Changes in the taxonomic and functional structure, resulting from increased soil radionuclide content, are influenced by the combined effects of ionizing radiation, the chemical toxicity of radionuclides and co-contaminants, as well as the physical and chemical properties of the soil and the initial bacterial community composition. Currently, the quantification of the differential contributions of these factors based on the existing published studies presents a challenge.

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Isolation and Identification of Ginseng Growth Promoting Bacteria from Korean Ginseng Rhizosphere

Kim,

Baek,

Lee

et al. 2024

Korean Journal of Environmental Agriculture

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Rapid arsenite oxidation by Paenarthrobacter nicotinovorans strain SSBW5: unravelling the role of GlpF, aioAB and aioE genes

Cited by 3 publications

References 64 publications

Exploring Arsenic Transformation and Chemotaxis in a Pseudomonas sp.

Exploring Arsenic Transformation and Chemotaxis in a Pseudomonas sp.

Taxonomic Diversity and Functional Traits of Soil Bacterial Communities under Radioactive Contamination: A Review

Isolation and Identification of Ginseng Growth Promoting Bacteria from Korean Ginseng Rhizosphere

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