Evidence map›Paper›PMID 23335418›Full record

ArticleJournal of bacteriology2013

Exoprotein production correlates with morphotype changes of nonmotile Shewanella oneidensis mutants.

Miaomiao Shi, Lin Wu, Yu Xia, Haijiang Chen, Qixia Luo, Linlin Sun, Haichun Gao

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 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.5field-weighted citation impact, top 18% 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

17 citing papers in PubMed, 27 citations in OpenAlex.

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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

7 authors at 1 institution in 1 country.

Miaomiao ShiInstitute of Microbiology and College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China.
Lin Wu
Yu Xia
Haijiang Chen
Qixia Luo
Linlin Sun
Haichun Gao
Zhejiang University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report a previously undescribed mechanism for the rugose morphotype in Shewanella oneidensis, a research model for investigating redox transformations of environmental contaminants. Bacteria may form smooth or rugose colonies on agar plates. In general, conversion from the smooth to rugose colony morphotype is attributed to increased production of exopolysaccharide (EPS). In this work, we discovered that aflagellate S. oneidensis mutants grew into rugose colonies, whereas those with nonfunctional flagellar filaments remained smooth. EPS production was not altered in either case, but mutants with the rugose morphotype showed significantly reduced exoprotein secretion. The idea that exoproteins at a reduced level correlate with rugosity gained support from smooth suppressor strains of an aflagellate rugose fliD (encoding the capping protein) mutant, which restored the exoprotein level to the levels of the wild-type and mutant strains with a smooth morphotype. Further analyses revealed that SO1072 (a putative GlcNAc-binding protein) was one of the highly upregulated exoproteins in these suppressor strains. Most intriguingly, this study identified a compensatory mechanism of SO1072 to flagellins possibly mediated by bis-(3'-5')-cyclic dimeric GMP.

Indexed as

MutationAgarBacterial ProteinsCulture MediaCyclic GMPFlagellaLocomotionPolysaccharides, BacterialShewanellaAgarBacterial ProteinsCulture MediaCyclic GMPPolysaccharides, Bacterial

Identifiers

PMID23335418
PMCPMC3624527
OpenAlexW2005597552

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.