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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Evaluation of cell wall-associated direct extracellular electron transfer in thermophilic Geobacillus sp.
3 Biotech, Volume 11, No. 8, Article 383, Year 2021
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Description
In this study, a cell wall-associated extracellular electron transfer (EET) was determined in the thermophilic Geobacillus sp. to utilize iron as a terminal electron acceptor. The direct extracellular transfer of its electrons was primarily linked to the cell wall cytochrome-c and diffusible redox mediators like flavins during the anoxic condition. Based on the azo dye decolouration and protein film voltammetry, it was revealed that, in the absence of surface polysaccharide and diffusible mediators, the cell wall-associated EET pathway was likely to be a favorable mechanism in Geobacillus sp. Since the permeability of such redox molecule is primarily limited to the cell wall, the electron transfer occurs by direct contact with cell wall-associated cytochrome and final electron acceptor. Furthermore, transfer of electrons with the help of redox shuttling molecules like riboflavin from cytochrome to cells, vice versa indicates that Geoabcillus sp. has adopted this unique pathway during an anoxic environment for its respiration. © 2021, King Abdulaziz City for Science and Technology.
Authors & Co-Authors
Bilal, Muhammad
China, Huainan
Huaiyin Institute of Technology
Nadda, Ashok Kumar
India, Solan
Jaypee University of Information Technology, Solan
Dattatraya Saratale, Ganesh Dattatraya
South Korea, Seoul
Dongguk University, Seoul
Romanholo Ferreira, Luiz Fernando
Brazil, Aracaju
Universidade Tiradentes
Gupta, Sanjay Kumar
India, New Delhi
Indian Institute of Technology Delhi
Mulla, S. I.
India, Bengaluru
Reva University
Statistics
Citations: 3
Authors: 6
Affiliations: 9
Identifiers
Doi:
10.1007/s13205-021-02917-2
ISSN:
2190572X