ArticleEnvironmental microbiology2014
Microscale sulfur cycling in the phototrophic pink berry consortia of the Sippewissett Salt Marsh.
Article in Environmental microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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46 citing papers in PubMed.
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- Targeted hypermutation of putative antigen sensors in multicellular bacteria.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Metagenome-derived virus-microbe ratios across ecosystems.The ISME journal · 2023Article
- Late acquisition of the rTCA carbon fixation pathway by Chlorobi.Nature ecology & evolution · 2023Article
- Horizontal Gene Transfer and CRISPR Targeting Drive Phage-Bacterial Host Interactions and Coevolution in "Pink Berry" Marine Microbial Aggregates.Applied and environmental microbiology · 2023Article
- High resolution functional analysis and community structure of photogranules.The ISME journal · 2023Article
- The chemical ecology of coumarins and phenazines affects iron acquisition by pseudomonads.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- A cryopreservation method to recover laboratory- and field-derived bacterial communities from mosquito larval habitats.PLoS neglected tropical diseases · 2023Article
- Natural and anthropogenic carbon input affect microbial activity in salt marsh sediment.Frontiers in microbiology · 2023Article
- Leveraging phylogenetic signal to unravel microbiome function and assembly rules.Computational and structural biotechnology journal · 2023Article
- Metagenomic methylation patterns resolve bacterial genomes of unusual size and structural complexity.The ISME journal · 2022Article
- Correlative SIP-FISH-Raman-SEM-NanoSIMS links identity, morphology, biochemistry, and physiology of environmental microbes.ISME communications · 2022Article
- Community Vertical Composition of the Laguna Negra Hypersaline Microbial Mat, Puna Region (Argentinean Andes).Biology · 2022Article
- Global dynamics of microbial communities emerge from local interaction rules.PLoS computational biology · 2022Article
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11 authors.
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Abstract
Microbial metabolism is the engine that drives global biogeochemical cycles, yet many key transformations are carried out by microbial consortia over short spatiotemporal scales that elude detection by traditional analytical approaches. We investigate syntrophic sulfur cycling in the 'pink berry' consortia of the Sippewissett Salt Marsh through an integrative study at the microbial scale. The pink berries are macroscopic, photosynthetic microbial aggregates composed primarily of two closely associated species: sulfide-oxidizing purple sulfur bacteria (PB-PSB1) and sulfate-reducing bacteria (PB-SRB1). Using metagenomic sequencing and (34) S-enriched sulfate stable isotope probing coupled with nanoSIMS, we demonstrate interspecies transfer of reduced sulfur metabolites from PB-SRB1 to PB-PSB1. The pink berries catalyse net sulfide oxidation and maintain internal sulfide concentrations of 0-500 μm. Sulfide within the berries, captured on silver wires and analysed using secondary ion mass spectrometer, increased in abundance towards the berry interior, while δ(34) S-sulfide decreased from 6‰ to -31‰ from the exterior to interior of the berry. These values correspond to sulfate-sulfide isotopic fractionations (15-53‰) consistent with either sulfate reduction or a mixture of reductive and oxidative metabolisms. Together this combined metagenomic and high-resolution isotopic analysis demonstrates active sulfur cycling at the microscale within well-structured macroscopic consortia consisting of sulfide-oxidizing anoxygenic phototrophs and sulfate-reducing bacteria.
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