Multiple Disguises for the Same Party: The Concepts of Morphogenesis and Phenotypic Variations in Cryptococcus neoformans

O Zaragoza - Frontiers in Microbiology, 2011 - frontiersin.org
… program which results in the appearance of multiple phenotypic forms. In fact, the final result
… the concepts of phenotypic and morphologic variations in C. neoformans with the purpose …

A Small Protein Associated with Fungal Energy Metabolism Affects the Virulence of Cryptococcus neoformans in Mammals

EE McClelland, UA Ramagopal, J Rivera, J Cox… - PLoS …, 2016 - journals.plos.org
… We have identified a gene (HVA1) whose absence is associated with a hypervirulent phenotype
… Fungal burden experiments in macrophages recapitulate the hypervirulent phenotype in …

Analysis of the Genome and Transcriptome of Cryptococcus neoformans var. grubii Reveals Complex RNA Expression and Microevolution Leading to Virulence …

…, C Wollschlaeger, IA Wood, Q Zeng, C Neuveglise… - PLoS …, 2014 - journals.plos.org
… number of known lineages with their own distinct phenotypes. All of these variants were derived
from … This hyper-virulent phenotype of the H99S strain was confirmed in a rabbit model of …

Heteroresistance to Fluconazole in Cryptococcus neoformans Is Intrinsic and Associated with Virulence

E Sionov, YC Chang, HM Garraffo… - Antimicrobial agents …, 2009 - Am Soc Microbiol
… We screened the heteroresistant phenotype by plating cells onto YPD agar supplemented
… Not all strains heteroresistant at high levels of FLC were hypervirulent, but all highly virulent …

The Dynamics of Cryptococcus neoformans Cell and Transcriptional Remodeling during Infection

GJC Freitas, L Gouveia-Eufrasio, ECP Emidio… - Cells, 2022 - mdpi.com
… The phenotypic plasticity of Cryptococcus neoformans is widely studied and demonstrated
… , we found that the lethality of each strain ranged from hypervirulent (H99 and WM629), to …

Investigation of the basis of virulence in serotype A strains of Cryptococcus neoformans from apparently immunocompetent individuals

CA D'Souza, F Hagen, T Boekhout, GM Cox, J Heitman - Current genetics, 2004 - Springer
… : the strains were naturally occurring hypervirulent pkr1 (PKA … Next, we tested whether the
strains exhibited phenotypes of pkr1 … The enhanced capsule phenotype of isolate ICPMR …

Genotypic and Phenotypic Diversity of Cryptococcus gattii VGII Clinical Isolates and Its Impact on Virulence

VA Barcellos, LMS Martins, ACL Fontes… - Frontiers in …, 2018 - frontiersin.org
… Isolates from the Cryptococcus neoformansCryptococcus gattii complex are the etiological
agents of … Our findings showed that the hypervirulent isolate CG02 had increased rates of …

The capsule of the fungal pathogen Cryptococcus neoformans

O Zaragoza, ML Rodrigues, M De Jesus… - Advances in applied …, 2009 - Elsevier
… The best characterized fungal capsule belongs to Cryptococcus neoformans. The capsule
of this microorganism has been extensively studied because it is the main virulence factor of …

The capsular dynamics of Cryptococcus neoformans

D McFadden, O Zaragoza, A Casadevall - TRENDS in Microbiology, 2006 - cell.com
Cryptococcus neoformans is a soil-dwelling fungus that causes life-threatening illness in
immunocompromised individuals and latently infects many healthy individuals. C. neoformans, …

Genetics of Cryptococcus neoformans

CM Hull, J Heitman - Annual review of genetics, 2002 - annualreviews.org
… Mutations altering the PKA regulatory subunit gene PKR1 constitutively activate the PKA
signaling cascade and result in increased capsule production and a hypervirulent phenotype in …