Evidence map›Paper›PMID 29581526›Full record

ArticleScientific reports2018

HDAC genes play distinct and redundant roles in Cryptococcus neoformans virulence.

Fabiana Brandão, Shannon K Esher, Kyla S Ost, Kaila Pianalto, Connie B Nichols, Larissa Fernandes, Anamélia L Bocca, Marcio José Poças-Fonseca, J Andrew Alspaugh

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
4.9field-weighted citation impact, top 4% 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

43 citing papers in PubMed, 69 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

9 authors at 2 institutions in 2 countries.

Fabiana BrandãoDepartment of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasília, Brazil.ORCID 0000-0001-8358-8062
Shannon K EsherDepartment of Medicine/Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA.
Kyla S OstDepartment of Medicine/Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA.
Kaila PianaltoDepartment of Medicine/Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA.
Connie B NicholsDepartment of Medicine/Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA.
Larissa FernandesDepartment of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasília, Brazil.
Anamélia L BoccaDepartment of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasília, Brazil.
Marcio José Poças-FonsecaDepartment of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasília, Brazil.
J Andrew AlspaughDepartment of Medicine/Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA. andrew.alspaugh@duke.edu.ORCID 0000-0003-3009-627X
Duke University · USUniversidade de Brasília · BR

Funding

ORGANIZATION AND FUNCTIONS OF CELLULAR STRUCTUREST32GM007184 · NIGMS · DUKE UNIVERSITY · PI JINKS-ROBERTSON, SUE · 1985 to 2019
$18.2M
Rapid production of SARS-CoV-2 molecular clones using CRISPR-based yeast recombineeringR01AI100272 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI MADHANI, HITEN D · 2012 to 2025
$11.3M
Trehalose Pathway for Antifungal Targets and InhibitorsP01AI104533 · NIAID · DUKE UNIVERSITY · PI BRENNAN, RICHARD GERALD · 2015 to 2019
$9.0M
Coordinated Regulation of Virulence Genes in C. neoformansR01AI074677 · NIAID · DUKE UNIVERSITY · PI ALSPAUGH, ANDREW, WORMLEY, FLOYD L. · 2011 to 2020
$4.0M
Coordinated Regulation of Virulence Genes in C. neoformansR56AI074677 · NIAID · DUKE UNIVERSITY · PI ALSPAUGH, ANDREW · 2009 to 2010
$608k
NIAID NIH HHS P01 AI104533NIAID NIH HHS R01 AI074677NIAID NIH HHS R01 AI100272NIAID NIH HHS R56 AI074677NIGMS NIH HHS T32 GM007184
6 · The paper itself

Abstract

The human fungal pathogen Cryptococcus neoformans undergoes many phenotypic changes to promote its survival in specific ecological niches and inside the host. To explore the role of chromatin remodeling on the expression of virulence-related traits, we identified and deleted seven genes encoding predicted class I/II histone deacetylases (HDACs) in the C. neoformans genome. These studies demonstrated that individual HDACs control non-identical but overlapping cellular processes associated with virulence, including thermotolerance, capsule formation, melanin synthesis, protease activity and cell wall integrity. We also determined the HDAC genes necessary for C. neoformans survival during in vitro macrophage infection and in animal models of cryptococcosis. Our results identified the HDA1 HDAC gene as a central mediator controlling several cellular processes, including mating and virulence. Finally, a global gene expression profile comparing the hda1Δ mutant versus wild-type revealed altered transcription of specific genes associated with the most prominent virulence attributes in this fungal pathogen. This study directly correlates the effects of Class I/II HDAC-mediated chromatin remodeling on the marked phenotypic plasticity and virulence potential of this microorganism. Furthermore, our results provide insights into regulatory mechanisms involved in virulence gene expression that are likely shared with other microbial pathogens.

Indexed as

AnimalsCell WallCryptococcosisCryptococcus neoformansDisease Models, AnimalGene Expression Regulation, EnzymologicGenome, FungalHistone DeacetylasesHumansMacrophagesVirulenceHistone Deacetylases

Identifiers

PMID29581526
PMCPMC5979944
OpenAlexW2805996903

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.