Comparative genomic analyses of aerobic planctomycetes isolated from the deep sea and the ocean surface DOI Creative Commons
Lise Øvreås, Nicolai Kallscheuer, Rita Calisto

et al.

Antonie van Leeuwenhoek, Journal Year: 2024, Volume and Issue: 118(1)

Published: Nov. 25, 2024

Abstract On the deep and dark seafloor, a cryptic yet untapped microbial diversity flourishes around hydrothermal vent systems. This remote environment of difficult accessibility exhibits extreme conditions, including high pressure, steep temperature- redox gradients, limited availability oxygen complete darkness. In this study, we analysed genomes three aerobic strains belonging to phylum Planctomycetota that were isolated from two deep-sea iron- rich hydroxide deposits with low temperature diffusive vents. The vents are located in Arctic Pacific Ocean at depth 600 1,734 m below sea level, respectively. Pr1d T , K2D TBK1r analyzed focus on genome-encoded features allow phenotypical adaptations iron-rich environment. comparison closely related surface-inhabiting counterparts indicates isolates do not differ significantly members inhabiting other habitats, such as macroalgae biofilms ocean surface waters. Despite environments, our “deep dark”-strains revealed mostly non-extreme genome biology.

Language: Английский

Substrate utilization and secondary metabolite biosynthesis in the phylum Planctomycetota DOI Creative Commons
Madeleine Kündgen, Christian Jogler, Nicolai Kallscheuer

et al.

Applied Microbiology and Biotechnology, Journal Year: 2025, Volume and Issue: 109(1)

Published: May 15, 2025

Abstract The phylum Planctomycetota is changing our understanding of bacterial metabolism, driving critical biogeochemical processes through the transformation complex polymeric substrates into valuable bioactive compounds. Sophisticated methods for cultivation, genome sequencing and genetic strain engineering developed in last two decades have stimulated detailed studies on cell propagation, metabolic capabilities potential applications members beyond mere isolation characterization novel taxa. This review synthesizes recent advances physiology with a focus degradation phototroph-derived polysaccharides, anaerobic ammonium oxidation (anammox) biosynthesis secondary metabolites. New data especially collected over 5 years justifies more intensive research yet uncharacterized pathways substrate uptake utilization, as well mining-assisted bioprospection to exploit phylum's chemical repertoire. Key points • Planctomycetes can degrade high-molecular-weight sugars produced by algae Anaerobic used technical first metabolites were discovered

Language: Английский

Citations

0
Comparative genomic analyses of aerobic planctomycetes isolated from the deep sea and the ocean surface DOI Creative Commons
Lise Øvreås, Nicolai Kallscheuer, Rita Calisto

et al.

Antonie van Leeuwenhoek, Journal Year: 2024, Volume and Issue: 118(1)

Published: Nov. 25, 2024

Abstract On the deep and dark seafloor, a cryptic yet untapped microbial diversity flourishes around hydrothermal vent systems. This remote environment of difficult accessibility exhibits extreme conditions, including high pressure, steep temperature- redox gradients, limited availability oxygen complete darkness. In this study, we analysed genomes three aerobic strains belonging to phylum Planctomycetota that were isolated from two deep-sea iron- rich hydroxide deposits with low temperature diffusive vents. The vents are located in Arctic Pacific Ocean at depth 600 1,734 m below sea level, respectively. Pr1d T , K2D TBK1r analyzed focus on genome-encoded features allow phenotypical adaptations iron-rich environment. comparison closely related surface-inhabiting counterparts indicates isolates do not differ significantly members inhabiting other habitats, such as macroalgae biofilms ocean surface waters. Despite environments, our “deep dark”-strains revealed mostly non-extreme genome biology.

Language: Английский

Citations

1