ArticleJournal of bacteriology2008
Phosphorus deprivation responses and phosphonate utilization in a thermophilic Synechococcus sp. from microbial mats.
Article in Journal of bacteriology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 82 citations in OpenAlex.
- ModifiedMicroorganisms · 2026Article
- Polyphosphate Attenuates Oxidative Stress to Support Temperature Adaptability in Hot Spring Cyanobacteria.Plants (Basel, Switzerland) · 2026Article
- Whole-genome characterization of halotolerant Enterobacter roggenkampii OSNO4 and its potential for climate-resilient agriculture.PloS one · 2026Article
- Biodegradation of glyphosate by Stenotrophomonas maltophilia GP-1 involves C-P lyase pathway.Biodegradation · 2025Article
- Climate Change-Induced Landscape Alterations Increase Nutrient Sequestration and Cause Severe Oligotrophication of Subarctic Lakes.Global change biology · 2025Article
- Genomic and metabolomic insights into the biocontrol potential ofFrontiers in microbiology · 2025Article
- Coupling dairy wastewaters for nutritional balancing and water recycling: sustainable heterologous 2-phenylethanol production by engineered cyanobacteria.Frontiers in bioengineering and biotechnology · 2024Article
- Phosphate-related genomic islands as drivers of environmental adaptation in the streamlined marine alphaproteobacterial HIMB59.mSystems · 2023Article
- Response of cyanobacterial mats to ambient phosphate fluctuations: phosphorus cycling, polyphosphate accumulation and stoichiometric flexibility.ISME communications · 2023Article
- Global and seasonal variation of marine phosphonate metabolism.The ISME journal · 2022Article
- Nitrogen and phosphorus significantly alter growth, nitrogen fixation, anatoxin-a content, and the transcriptome of the bloom-forming cyanobacterium,Frontiers in microbiology · 2022Article
- Microbial Key Players Involved in P Turnover Differ in Artificial Soil Mixtures Depending on Clay Mineral Composition.Microbial ecology · 2021Article
- Microbial community successions and their dynamic functions during harmful cyanobacterial blooms in a freshwater lake.Water research · 2020Article
- Article
- Polyphosphate: A Multifunctional Metabolite in Cyanobacteria and Algae.Frontiers in plant science · 2020Review
- Picoplankton accumulate and recycle polyphosphate to support high primary productivity in coastal Lake Ontario.Scientific reports · 2019Article
- Anoxygenic photosynthesis and the delayed oxygenation of Earth's atmosphere.Nature communications · 2019Article
- Strains of the toxic and bloom-forming Nodularia spumigena (cyanobacteria) can degrade methylphosphonate and release methane.The ISME journal · 2018Article
- How To Live with Phosphorus Scarcity in Soil and Sediment: Lessons from Bacteria.Applied and environmental microbiology · 2016Article
- Phylogenetic and Functional Substrate Specificity for Endolithic Microbial Communities in Hyper-Arid Environments.Frontiers in microbiology · 2016Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genomes of two closely related thermophilic cyanobacterial isolates, designated Synechococcus isolate OS-A and Synechococcus isolate OS-B', from the microbial mats of Octopus Spring (Yellowstone National Park) have been sequenced. An extensive suite of genes that are controlled by phosphate levels constitute the putative Pho regulon in these cyanobacteria. We examined physiological responses of an axenic OS-B' isolate as well as transcript abundances of Pho regulon genes as the cells acclimated to phosphorus-limiting conditions. Upon imposition of phosphorus deprivation, OS-B' stopped dividing after three to four doublings, and absorbance spectra measurements indicated that the cells had lost most of their phycobiliproteins and chlorophyll a. Alkaline phosphatase activity peaked and remained high after 48 h of phosphorus starvation, and there was an accumulation of transcripts from putative Pho regulon genes. Interestingly, the genome of Synechococcus isolate OS-B' harbors a cluster of phn genes that are not present in OS-A isolates. The proteins encoded by the phn genes function in the transport and metabolism of phosphonates, which could serve as an alternative phosphorus source when exogenous phosphate is low. The phn genes were upregulated within a day of eliminating the source of phosphate from the medium. However, the ability of OS-B' to utilize methylphosphonate as a sole phosphorus source occurred only after an extensive period of exposure to the substrate. Once acclimated, the cells grew rapidly in fresh medium with methylphosphonate as the only source of phosphorus. The possible implications of these results are discussed with respect to the ecophysiology of the microbial mats.
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