Evidence map›Paper›PMID 12562809›Full record

ArticleJournal of bacteriology2003

Identification and characterization of a Vibrio cholerae gene, mbaA, involved in maintenance of biofilm architecture.

Natalia Bomchil, Paula Watnick, Roberto Kolter

Abstract read
In one paragraph

Article in Journal of bacteriology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
–field-weighted citation impact
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

66 citing papers in PubMed.

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  14. In vivo repressed genes ofProceedings of the National Academy of Sciences of the United States of America · 2018
    Article
  15. Spermine inhibitsThe Journal of biological chemistry · 2017
    Article
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6 more citing papers are in PubMed but not listed here.

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

3 authors.

Natalia BomchilDepartment of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.
Paula Watnick
Roberto Kolter

Funding

MOLECULAR GENETICS OF BIOFILM FORMATIONR01GM058213 · NIGMS · HARVARD UNIVERSITY (MEDICAL SCHOOL) · PI RUDNER, DAVID Z · 1998 to 2017
$7.5M
Biofilm Development by Vibrio choleraeR01AI050032 · NIAID · TUFTS MEDICAL CENTER · PI WATNICK, PAULA I · 2002 to 2010
$2.2M
NIAID NIH HHS R01 AI050032NIGMS NIH HHS GM58213NIGMS NIH HHS R01 GM058213
6 · The paper itself

Abstract

The formation of biofilms is thought to play a key role in the environmental survival of the marine bacterium Vibrio cholerae. Although the factors involved in V. cholerae attachment to abiotic surfaces have been extensively studied, relatively little is known about the mechanisms involved in the subsequent maturation of the biofilms. Here we report the identification of a novel gene, which we have named mbaA (for maintenance of biofilm architecture), that plays a role in the formation and maintenance of the highly organized three-dimensional architecture of V. cholerae El Tor biofilms. We demonstrate that although the absence of mbaA does not significantly affect the initial attachment of cells onto the surface, it leads to the formation of biofilms that lack the typical structure, including the pillars of cells separated by fluid-filled channels that are evident in mature wild-type biofilms. Microscopic analysis indicates that the absence of mbaA leads to an increase in the amount of extracellular matrix material in the biofilms. The predicted mbaA product is a member of a family of regulatory proteins, containing GGDEF and EAL domains, suggesting that MbaA regulates the synthesis of some component of the biofilm matrix.

Indexed as

Gene Expression Regulation, BacterialBacterial ProteinsBiofilmsFimbriae, BacterialFlagellaMicroscopy, ConfocalMicroscopy, Electron, ScanningMutationPolysaccharides, BacterialVibrio choleraeBacterial ProteinsPolysaccharides, Bacterial

Identifiers

PMID12562809
PMCPMC142858

What OpenQuestion holds

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Registered trials

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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.