ArticleExtremophiles : life under extreme conditions2016
Genomic and physiological analysis reveals versatile metabolic capacity of deep-sea Photobacterium phosphoreum ANT-2200.
Article in Extremophiles : life under extreme conditions, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Bioluminescence Contributes to the Adaptation of Deep-Sea BacteriumMicroorganisms · 2023Article
- Piezophilic Phenotype Is Growth Condition Dependent and Correlated with the Regulation of Two Sets of ATPase in Deep-Sea Piezophilic BacteriumMicroorganisms · 2023Article
- The TorRS two component system regulates expression of TMAO reductase in response to high hydrostatic pressure inFrontiers in microbiology · 2023Article
- Scientific and technological progress in the microbial exploration of the hadal zone.Marine life science & technology · 2022Review
- A deep-sea bacterium related to coastal marine pathogens.Environmental microbiology · 2021Article
- Holomycin, an Antibiotic Secondary Metabolite, Is Required for Biofilm Formation by the Native Producer Photobacterium galatheae S2753.Applied and environmental microbiology · 2021Article
- Chitin Degradation Machinery and Secondary Metabolite Profiles in the Marine BacteriumMarine drugs · 2021Article
- Pressure-Regulated Gene Expression and Enzymatic Activity of the Two Periplasmic Nitrate Reductases in the Deep-Sea BacteriumFrontiers in microbiology · 2018Article
- High Hydrostatic Pressure Inducible TrimethylamineFrontiers in microbiology · 2017Article
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20 authors.
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Abstract
Bacteria of the genus Photobacterium thrive worldwide in oceans and show substantial eco-physiological diversity including free-living, symbiotic and piezophilic life styles. Genomic characteristics underlying this variability across species are poorly understood. Here we carried out genomic and physiological analysis of Photobacterium phosphoreum strain ANT-2200, the first deep-sea luminous bacterium of which the genome has been sequenced. Using optical mapping we updated the genomic data and reassembled it into two chromosomes and a large plasmid. Genomic analysis revealed a versatile energy metabolic potential and physiological analysis confirmed its growth capacity by deriving energy from fermentation of glucose or maltose, by respiration with formate as electron donor and trimethlyamine N-oxide (TMAO), nitrate or fumarate as electron acceptors, or by chemo-organo-heterotrophic growth in rich media. Despite that it was isolated at a site with saturated dissolved oxygen, the ANT-2200 strain possesses four gene clusters coding for typical anaerobic enzymes, the TMAO reductases. Elevated hydrostatic pressure enhances the TMAO reductase activity, mainly due to the increase of isoenzyme TorA1. The high copy number of the TMAO reductase isoenzymes and pressure-enhanced activity might imply a strategy developed by bacteria to adapt to deep-sea habitats where the instant TMAO availability may increase with depth.
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