Evidence map›Paper›PMID 20817114›Full record

ArticleFungal genetics and biology : FG & B2011

Activation of the heat shock transcription factor Hsf1 is essential for the full virulence of the fungal pathogen Candida albicans.

Susan Nicholls, Donna M MacCallum, Florian A R Kaffarnik, Laura Selway, Scott C Peck, Alistair J P Brown

Open access · hybridAbstract read
In one paragraph

Article in Fungal genetics and biology : FG & B, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed
3.1field-weighted citation impact, top 8% 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

49 citing papers in PubMed, 101 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

6 authors at 3 institutions in 2 countries.

Susan NichollsSchool of Medical Sciences, University of Aberdeen, Institute of Medical Sciences, Foresterhill, Aberdeen, United Kingdom.
Donna M MacCallum
Florian A R Kaffarnik
Laura Selway
Scott C Peck
Alistair J P Brown
University of Aberdeen · GBSainsbury Laboratory · GBUniversity of Missouri · US

Funding

Biotechnology and Biological Sciences Research Council BB/D009308/1Biotechnology and Biological Sciences Research Council BB/F000111/1Biotechnology and Biological Sciences Research Council BB/F00513X/1European Research Council 249793Wellcome TrustWellcome Trust 080088Wellcome Trust 089930
6 · The paper itself

Abstract

The evolutionarily conserved heat shock transcription factor Hsf1 plays a central role in thermal adaptation in the major fungal pathogen of humans, Candida albicans. Hsf1 becomes hyperphosphorylated in response to heat shock and activates the transcription of genes with heat shock elements (HSEs) in their promoters, these genes contributing to thermal adaptation. However, the relevance of Hsf1 activation to C. albicans virulence is not clear as this pathogen is thought to be obligately associated with warm blooded animals, and this issue has not been tested because HSF1 is essential for viability in C. albicans. In this study, we demonstrate that the HSE regulon is active in C. albicans cells infecting the kidney. We also show the CE2 region of Hsf1 is required for activation and that the phosphorylation of specific residues in this domain contributes to Hsf1 activation. C. albicans HSF1 mutants that lack this CE2 region are viable. However, they are unable to activate HSE-containing genes in response to heat shock, and they are thermosensitive. Using this HSF1 CE2 deletion mutant we demonstrate that Hsf1 activation, and hence thermal adaptation, contributes significantly to the virulence of C. albicans.

Indexed as

AnimalsCandida albicansColony Count, MicrobialDNA-Binding ProteinsFemaleGene Expression Regulation, FungalHeat Shock Transcription FactorsKidneyMiceMice, Inbred BALB CPhosphorylationProtein Structure, TertiarySequence DeletionTranscription FactorsVirulenceVirulence FactorsDNA-Binding ProteinsHeat Shock Transcription FactorsHSF1 protein, humanTranscription FactorsVirulence Factors

Identifiers

PMID20817114
PMCPMC3032048
OpenAlexW2149684014

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.