ArticleScientific reports2020
Distinct capabilities of different Gammaproteobacterial strains on utilizing small peptides in seawater.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 23 citations in OpenAlex.
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- Bacterial community structure and secondary metabolite insights from halophiles at Oniru Beach, Lagos.Archives of microbiology · 2025Article
- Vertical Structure and Functional Diversity of Microbial Communities in the Ross Sea, Antarctica.Microbial ecology · 2025Article
- Discovery of a phylogenetically novel tropical marine Gammaproteobacteria elucidated from assembled genomes and the proposed transfer of the genusFrontiers in microbiology · 2025Article
- Conserved specificity of extracellular wastewater peptidases revealed by multiplex substrate profiling by mass spectrometry.Environmental chemistry letters · 2025Article
- The Epidermal Microbiome Within an Aggregation of Leopard Sharks (Triakis semifasciata) Has Taxonomic Flexibility with Gene Functional Stability Across Three Time-points.Microbial ecology · 2023Article
- Linkages Among Dissolved Organic Matter Export, Dissolved Metabolites, and Associated Microbial Community Structure Response in the Northwestern Sargasso Sea on a Seasonal Scale.Frontiers in microbiology · 2022Article
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- Organic Matter Composition at Ocean Station Papa Affects Its Bioavailability, Bacterioplankton Growth Efficiency and the Responding Taxa.Frontiers in Marine Science · 2021Article
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- Prokaryotic Diversity and Distribution Along Physical and Nutrient Gradients in the Tunisian Coastal Waters (South Mediterranean Sea).Frontiers in microbiology · 2020Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Proteins and peptides account for 20-75% of marine biota biomass, of which a major fraction is metabolized by bacteria, thus deciphering interactions between bacteria and peptides is important in understanding marine carbon and nitrogen cycling. To better understand capabilities of different bacterial strains on peptide decomposition, four Gammaproteobacteria (Pseudoalteromonas atlantica, Alteromonas sp., Marinobacterium jannaschii, Amphritea japonica) were incubated in autoclaved seawater amended with tetrapeptide alanine-valine-phenylalanine-alanine (AVFA), a fragment of RuBisCO. While AVFA was decomposed greatly by Pseudoalteromonas atlantica and Alteromonas sp, it remained nearly intact in the Marinobacterium jannaschii and Amphritea japonica incubations. Pseudoalteromonas and Alteromonas decomposed AVFA mainly through extracellular hydrolysis pathway, releasing 71-85% of the AVFA as hydrolysis products to the surrounding seawater. Overall, this study showed that Gammaproteobacterial strains differ greatly in their capabilities of metabolizing peptides physiologically, providing insights into interactions of bacteria and labile organic matter in marine environments.
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