ISSN: 0973-7510

E-ISSN: 2581-690X

Research Article | Open Access
M.A. Mary Deva Prasanna1, S. Rajakumar2 and P.M. Ayyasamy1
1Department of Microbiology, Periyar University, Salem, Tamil Nadu, India.
2Department of Marine Biotechnology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India.
Article Number: 9080 | © The Author(s). 2023
J Pure Appl Microbiol. 2023;17(4):2479-2492.
Received: 24 October 2023 | Accepted: 16 November 2023 | Published online: 30 November 2023
Issue online: December 2023

Magnesium (Mg) is an essential macronutrient that can be obtained through mineralization of mine spoils. The leftover mine spoils of magnesite mines still contain a reliable amount of Mg in it. The Mg present in raw magnesite spoils is in its carbonate form and hence it has to be mineralized to convert it into plant available soluble forms of Mg. The effect of B. cereus and B. stercoris in the mineralization of Mg has been studied in synthetic mineral salts medium (MSM). To obtain maximum mineralization results it is important to know the optimal conditions of the organisms under which they can grow and produce more Mg. The mineralizing capability of the individual organisms and their combined effect as a consortium under various concentrations of carbon source, pH, temperature and soil organic matter has been studied. It has been seen that the organisms grow and mineralize better when 1% of glucose has been supplemented as carbon source. The optimal pH and temperature were found to be pH 7 and 35°C, respectively. The addition of anthraquinone-2-sulphonic acid (ADQS) as soil organic matter enhances the mineralization Mg in synthetic medium. Rendering to SEM and EDX analysis, the mineralization of Mg in the synthetic medium was established.


Mineralization, Mine Spoils, Magnesium, B. cereus and B. stercoris

Article Metrics

Article View: 179

Share This Article

© The Author(s) 2023. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.