Potential syntrophic associations in anaerobic naphthenic acids biodegrading consortia inferred with microbial interactome networks

Microbial degradation of naphthenic acids using constructed wetland treatment systems: metabolic and genomic insights for improved bioremediation of process-affected water

“…For instance, in anoxic sediments underlying oil sands tailings ponds, Lv et al ( 2020a ) found that sediment type (sand or clay), electron acceptor (nitrate or sulfate), and NA source (OSPW or commercial NAs) significantly affected the microbial community composition. In the same system, Lv et al ( 2020b ) showed that the type of electron acceptor influences the topology of microbial interactome networks and pinpointed the key role of redox state in NA-degrading microbial communities. In microbial communities associated with Typha (cattail) roots, the type of NA (extracted from OSPW or a commercial NA mixture) was the critical factor influencing the dominant bacterial species in this system, with high doses of commercial NA favoring the enrichment of potential plant pathogens such as Dechlorospirillum sp (Phillips et al 2010 ).…”

“…Similarly, co-cultures of algae and microorganisms in inocula from an end pit lake degraded cyclohexaneacetic acid while the pure algal cultures or pure end pit lake inoculum did not (Yu et al 2019 ). Furthermore, bacterial and algal consortia from OSPW degraded the recalcitrant ACA (Paulssen and Gieg 2019 ), and interactome networks of anaerobic NA-degrading bacteria suggested syntrophic relationships in biodegrading processes (Lv et al 2020b ). In addition, the presence of bacterial biofilms that could form in plant tissues or in the sediment seems to favor the bioremediation of NAs, as higher and particularly more durable degradation activity was detected in biofilms of Pseudomonas when compared to its planktonic counterpart (Shimada et al 2012 ).…”

Genome Sequence of Litorilinea aerophila, an Icelandic Intertidal Hot Springs Bacterium

“…In this work, we describe a draft genome sequence for the type strain of Litorilinea aerophila , PRI-4131 (= DSM 25763 = ATCC BAA-2444). Litorilinea aerophila was isolated from an intertidal hot spring (0.6% NaCl) in Iceland ( 9 ) but has since been found in other environments, including in the human cervicovaginal microbiota ( 13 ), in waste treatment and disposal sites/systems ( 14 – 16 ), in plant cultivation systems ( 17 ), and in mines ( 18 ).…”