Research Article | Volume 11, Issue 6, November, 2023

Sensing oxy anodic microbial fuel cell potential of halotolerant protease producer Priestia megaterium BorS17B13 belonging to mangrove biota

Priyanka S. Sawant Jignasha T. Thumar   

Open Access   

Published:  Oct 25, 2023

DOI: 10.7324/JABB.2023.152337
Abstract

Exploring the uncharted nooks of mangrove-rich biota is the key to unlocking the hidden world of industrial opportunities and keeping up with demanding products like microbial-based enzymes. A salt-tolerant bacteria, Priestia megaterium strain, BorS17B13 was isolated from the mangrove-rich biota of Borivali monari creek, Maharashtra, India. The organism was Gram-positive, aerobic, and capable of secreting protease enzymes in abundance using a crude source (wheat flour) as the sole source of carbon and nitrogen. Optimum protease activity was 739 U/mL at 72 h. Further, its potential was securitized for bioenergy production in a dual chamber of the oxy anodic microbial fuel cell (OA-MFC) with an impeller for analog configurations, like a bioreactor, to achieve homogenized medium. The maximum OCV was 614 mV and the SCC was 3.5 Am-3; they were also studied with an external load/resistor (47 ohm and 100 ohm). The maximum power output was 454 mW, and the volumetric power density was 0.65 mW/m3 (100 ohm). The novel concept of OA-MFCs will highlight the potential for combining technologies and will take aerobic microbes strands into the future by utilizing MFC techniques into “Aerobic biosensors.” Our research as a whole is attractive, as mangrove-associated halotolerant microbes are rarely explored for their OA-MFC potential to date.


Keyword:     Protease Halotolerant Extremophile Oxy-anode microbial fuel cell Crude sources Wheat flour Microbial fuel cell


Citation:

Sawant PS, Thumar J. Sensing oxy anodic microbial fuel cell potential of halotolerant protease producer Priestia megaterium BorS17B13 belonging to mangrove biota. J App Biol Biotech. 2023;11(6):249-254. https://doi.org/10.7324/JABB.2023.152337

Copyright: Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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