ArticleThe ISME journal2016
Cyanobacterial reuse of extracellular organic carbon in microbial mats.
Article in The ISME journal, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 128 citations in OpenAlex.
- Biofilms: from the cradle of life to life support.NPJ biofilms and microbiomes · 2026Review
- Degradation of extracellular polymeric substances shapes microbial community diversity.PLoS biology · 2025Article
- Microbial extracellular polymeric substances in the environment, technology and medicine.Nature reviews. Microbiology · 2025Review
- Abundant and active community members respond to diel cycles in hot spring phototrophic mats.The ISME journal · 2025Article
- Linking microbial ecology to the cycling of neutral and acidic polysaccharides in pustular mats from Shark Bay, Western Australia.Frontiers in microbiology · 2025Article
- Article
- Uncovering novel bacterial and archaeal diversity: genomic insights from metagenome-assembled genomes in Cuatro Cienegas, Coahuila.Frontiers in microbiology · 2024Article
- Isotopic Signatures of Carbon Transfer in a Proterozoic Analogue Microbial Mat.Applied and environmental microbiology · 2023Article
- Live tracking metabolic networks and physiological responses within microbial assemblages at single-cell level.PNAS nexus · 2023Article
- Daylight-driven carbon exchange through a vertically structured microbial community.Frontiers in microbiology · 2023Article
- Metagenomic, (bio)chemical, and microscopic analyses reveal the potential for the cycling of sulfated EPS in Shark Bay pustular mats.ISME communications · 2022Article
- Novel functional insights into a modified sugar-binding protein from Synechococcus MITS9220.Scientific reports · 2022Article
- NanoSIP: NanoSIMS Applications for Microbial Biology.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Methane-Derived Carbon as a Driver for Cyanobacterial Growth.Frontiers in microbiology · 2022Article
- Extracellular Metabolism Sets the Table for Microbial Cross-Feeding.Microbiology and molecular biology reviews : MMBR · 2021Review
- Ferrihydrite Reduction by PhotosyntheticFrontiers in microbiology · 2021Article
- Bidirectional C and N transfer and a potential role for sulfur in an epiphytic diazotrophic mutualism.The ISME journal · 2020Article
- Synthetic microbial communities of heterotrophs and phototrophs facilitate sustainable growth.Nature communications · 2020Article
- System-level analysis of metabolic trade-offs during anaerobic photoheterotrophic growth in Rhodopseudomonas palustris.BMC bioinformatics · 2019Article
- Intracellular and Extracellular Metabolites from the CyanobacteriumMetabolites · 2019Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cyanobacterial organic matter excretion is crucial to carbon cycling in many microbial communities, but the nature and bioavailability of this C depend on unknown physiological functions. Cyanobacteria-dominated hypersaline laminated mats are a useful model ecosystem for the study of C flow in complex communities, as they use photosynthesis to sustain a more or less closed system. Although such mats have a large C reservoir in the extracellular polymeric substances (EPSs), the production and degradation of organic carbon is not well defined. To identify extracellular processes in cyanobacterial mats, we examined mats collected from Elkhorn Slough (ES) at Monterey Bay, California, for glycosyl and protein composition of the EPS. We found a prevalence of simple glucose polysaccharides containing either α or β (1,4) linkages, indicating distinct sources of glucose with differing enzymatic accessibility. Using proteomics, we identified cyanobacterial extracellular enzymes, and also detected activities that indicate a capacity for EPS degradation. In a less complex system, we characterized the EPS of a cyanobacterial isolate from ES, ESFC-1, and found the extracellular composition of biofilms produced by this unicyanobacterial culture were similar to that of natural mats. By tracing isotopically labeled EPS into single cells of ESFC-1, we demonstrated rapid incorporation of extracellular-derived carbon. Taken together, these results indicate cyanobacteria reuse excess organic carbon, constituting a dynamic pool of extracellular resources in these mats.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.