Evidence map›Paper›PMID 23687278›Full record

ArticleJournal of bacteriology2013

Role of polyphosphate in thermophilic Synechococcus sp. from microbial mats.

Maria R Gomez-Garcia, Fariba Fazeli, Alexandra Grote, Arthur R Grossman, Devaki Bhaya

Open access · bronzeAbstract read
In one paragraph

Article in Journal of bacteriology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
1.7field-weighted citation impact, top 16% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 41 citations in OpenAlex.

  1. ModifiedMicroorganisms · 2026
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  7. Review
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  11. Review
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  13. Metabolic engineering of phosphite metabolism inBiotechnology for biofuels · 2020
    Article
  14. Review
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. Intracellular Ca-carbonate biomineralization is widespread in cyanobacteria.Proceedings of the National Academy of Sciences of the United States of America · 2014
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 1 country.

Maria R Gomez-GarciaCarnegie Institution for Science, Department of Plant Biology, Stanford University, Stanford, California, USA. rosario.gomezgarcia@gmail.com
Fariba Fazeli
Alexandra Grote
Arthur R Grossman
Devaki Bhaya
Stanford University · USCarnegie Institution for Science · USDepartment of Plant Biology · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Synechococcus OS-B', a thermophilic unicellular cyanobacterium, recently isolated from the microbial mats in Octopus Spring (Yellowstone National Park), induces a suite of genes, including phosphatases and transporters, in response to phosphorus (P) starvation. Here we describe two different approaches to examine the ability of Synechococcus OS-B' to synthesize and break down polyphosphate (poly P), a key storage compound in many prokaryotes. First, we developed a transformation protocol to create mutants in the polyphosphate kinase (ppk), the major enzyme responsible for the synthesis of poly P. The ppk mutant exhibited a pleiotropic phenotype with defects in poly P accumulation, aberrant levels of Pho regulon transcripts, growth defects, and changes in cell size and exopolysaccharide levels, among others. Second, we measured transcripts of ppk and ppx (encoding the polyphosphatase) directly from mat samples and found that the levels varied dramatically over a diel cycle. We also used Western blot analysis to quantify levels of PPK and PPX and found that these enzymes differentially accumulated during the diel cycle. Levels of polyphosphate kinase peaked at night, while polyphosphatase levels were highest during the early morning hours. We hypothesize that the opposing activities of these two enzymes allow cells to store and utilize poly P to optimize growth over a diel cycle.

Indexed as

Blotting, WesternGene DeletionGene Expression ProfilingPhosphoprotein PhosphatasesPhosphotransferases (Phosphate Group Acceptor)PolyphosphatesSynechococcusPhosphoprotein PhosphatasesPhosphotransferases (Phosphate Group Acceptor)polyphosphate kinasePolyphosphatesprotein phosphatase 4

Identifiers

PMID23687278
PMCPMC3719534
OpenAlexW2144930109

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.