Evidence map›Paper›PMID 16788186›Full record

ArticleJournal of bacteriology2006

Comparison of the RpoH-dependent regulon and general stress response in Neisseria gonorrhoeae.

Ishara C Gunesekere, Charlene M Kahler, David R Powell, Lori A S Snyder, Nigel J Saunders, Julian I Rood, John K Davies

Open access · greenAbstract readComparative Study
In one paragraph

Article in Journal of bacteriology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
1.4field-weighted citation impact, top 21% 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

29 citing papers in PubMed, 40 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 3 institutions in 2 countries.

Ishara C GunesekereAustralian Bacterial Pathogenesis Program, Department of Microbiology, Monash University, VIC 3800, Australia.
Charlene M Kahler
David R Powell
Lori A S Snyder
Nigel J Saunders
Julian I Rood
John K Davies
Melbourne Bioinformatics · AUGenomics (United Kingdom) · GBUniversity of Oxford · GB

Funding

MICROBIAL PATHOGEN GENOME PROJECT--NEISSERIA GONORRHOEAER01AI038399 · NIAID · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI DYER, DAVID W. · 1995 to 1998
–
NIAID NIH HHS AI-38399Wellcome Trust
6 · The paper itself

Abstract

In the gammaproteobacteria the RpoH regulon is often equated with the stress response, as the regulon contains many of the genes that encode what have been termed heat shock proteins that deal with the presence of damaged proteins. However, the betaproteobacteria primarily utilize the HrcA repressor protein to control genes involved in the stress response. We used genome-wide transcriptional profiling to compare the RpoH regulon and stress response of Neisseria gonorrhoeae, a member of the betaproteobacteria. To identify the members of the RpoH regulon, a plasmid-borne copy of the rpoH gene was overexpressed during exponential-phase growth at 37 degrees C. This resulted in increased expression of 12 genes, many of which encode proteins that are involved in the stress response in other species. The putative promoter regions of many of these up-regulated genes contain a consensus RpoH binding site similar to that of Escherichia coli. Thus, it appears that unlike other members of the betaproteobacteria, N. gonorrhoeae utilizes RpoH, and not an HrcA homolog, to regulate the stress response. In N. gonorrhoeae exposed to 42 degrees C for 10 min, we observed a much broader transcriptional response involving 37 differentially expressed genes. Genes that are apparently not part of the RpoH regulon showed increased transcription during heat shock. A total of 13 genes were also down-regulated. From these results we concluded that although RpoH acts as the major regulator of protein homeostasis, N. gonorrhoeae has additional means of responding to temperature stress.

Indexed as

Gene Expression Regulation, BacterialGenes, BacterialRegulonHeat-Shock ProteinsHot TemperatureNeisseria gonorrhoeaeSigma FactorHeat-Shock Proteinsheat-shock sigma factor 32Sigma Factor

Identifiers

PMID16788186
PMCPMC1483004
OpenAlexW2144556889

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.