ArticleWorld journal of microbiology & biotechnology2025
Harnessing Pseudodesulfovibrio sp., a sulfate-reducing bacterium for the sustainable synthesis of cerium sulfide.
Article in World journal of microbiology & biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The present study investigates a novel sulfate-reducing bacterium, Pseudodesulfovibrio sp. MCM B-508, isolated from produced water, for its ability to produce cerium sulfide, an industrially valuable rare earth colorant. The study demonstrates a microbial route for pigment synthesis by cloning and expressing dissimilatory sulfite reductase (dsrAB) genes from this bacterium in Escherichia coli. The enzyme dissimilatory sulfite reductase shared a maximum of 94.09% homology with published dissimilatory sulfite reductase sequences from the GenBank database, highlighting its novelty. Using molecular engineering techniques, including chaperone co-expression with the pGro7 vector, the sulfate conversion efficiency was significantly enhanced to 71.23%, overcoming limitations in sulfate-reducing bacterial processes. The research successfully converted cerium sulfate to the desired gamma-form cerium sulfide (Ce
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