Searching for bacteria able to metabolize polycyclic aromatic sulfur compounds in 12-years periodically fed bioreactor

This study aimed to identify microorganisms capable of degrading PASC in such environments. Among the 20 colonies isolated from an inoculum containing DBT as the sole sulfur source, only four isolates exhibited amplification of the dszA gene in the dszABC operon. The production of 2-hydroxybiphenyl (HPB) and a decrease in DBT were detected during the growth curve and resting cell assays. The isolates were identified using 16S rRNA sequencing belonging to the genera Stutzerimonas and Pseudomonas. These isolates demonstrated significant potential for biodesulfurization and/or degradation of PASC. All isolates possessed the potential to be utilized in the biotechnological processes of biodesulfurization and degradation of recalcitrant PASC molecules.PMID:37737927 | DOI:10.1007/s00203-023-03674-x

Source: Archives of Microbiology - September 22, 2023 Category: Microbiology Authors: Gilberto Matos Neto Eric de Lima Silva Marques Larissa Karen Silva Oliveira Rachel Passos Rezende Jo ão Carlos Teixeira Dias Source Type: research