A New Haloalkaliphilic Member of the Genus Salisediminibacterium Capable of Efficient Chromate Oxidation

A. V. Ignatenko; Игнатенко А. В.; T. V. Khijniak; Хижняк Т. В.

doi:10.31857/S0026365624020091

A New Haloalkaliphilic Member of the Genus Salisediminibacterium Capable of Efficient Chromate Oxidation

Authors: Ignatenko A.V.¹, Khijniak T.V.¹
Affiliations:
1. Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences
Issue: Vol 93, No 2 (2024)
Pages: 149-153
Section: КРАТКИЕ СООБЩЕНИЯ
URL: https://journals.rcsi.science/0026-3656/article/view/262500
DOI: https://doi.org/10.31857/S0026365624020091
ID: 262500

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Abstract
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Abstract

A new haloalkaliphilic member of the genus Salisediminibacterium (family Bacillaceae) with high chromate-reducing activity in a broad range of conditions was isolated. Reduction efficiency after 3 days was up to 99% at initial Cr(VI) concentrations 15 and 100 mg/L for mineral and organic media, respectively. Effect of organic matter on the rate of chromate reduction was shown. The isolate MB1000 differed from the presently described members of the genus Salisediminibacterium in its physiological characteristics.

Keywords

chromate bioreduction, Salisediminibacterium, alkaline and saline media

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About the authors

A. V. Ignatenko

Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences

Author for correspondence.
Email: khijniaktv@yandex.ru
Russian Federation, Moscow, 119071

T. V. Khijniak

Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences

Email: khijniaktv@yandex.ru
Russian Federation, Moscow, 119071

References

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2. Fig. 1. The position of the MB1000 strain on the phylogenetic tree of representatives of the Bacilliaceae family. The phylogenetic tree was constructed using the Neighbor-Joining method using bootstrap analysis for 100 alternative phylogenetic trees. Bootstrap analysis values less than 50% are hidden.