The RAM signaling pathway links morphology, thermotolerance, and CO2 tolerance in the global fungal pathogen Cryptococcus neoformans

BJ Chadwick, T Pham, X Xie, LC Ristow, DJ Krysan… - Elife, 2022 - elifesciences.org
The environmental pathogen Cryptococcus neoformans claims over 180,000 lives each
year. Survival of this basidiomycete at host CO 2 concentrations has only recently been …

Cdk8 and Ssn801 Regulate oxidative stress resistance and virulence in Cryptococcus neoformans

AL Chang, Y Kang, TL Doering - MBio, 2019 - Am Soc Microbiol
Cryptococcus neoformans kills 200,000 people worldwide each year. After inhalation, this
environmental yeast proliferates either extracellularly or within host macrophages. Under …

Thermotolerance in the pathogen Cryptococcus neoformans is linked to antigen masking via mRNA decay-dependent reprogramming

ALM Bloom, RM Jin, J Leipheimer, JE Bard… - Nature …, 2019 - nature.com
A common feature shared by systemic fungal pathogens of environmental origin, such as
Cryptococcus neoformans, is their ability to adapt to mammalian core body temperature. In …

The Crz1/Sp1 Transcription Factor of Cryptococcus neoformans Is Activated by Calcineurin and Regulates Cell Wall Integrity

S Lev, D Desmarini, M Chayakulkeeree, TC Sorrell… - PloS one, 2012 - journals.plos.org
Cryptococcus neoformans survives host temperature and regulates cell wall integrity via a
calcium-dependent phosphatase, calcineurin. However, downstream effectors of C …

A PAS protein directs metabolic reprogramming during cryptococcal adaptation to hypoxia

Y Zhao, X Lin - Mbio, 2021 - Am Soc Microbiol
To aerobic organisms, low oxygen tension (hypoxia) presents a physiological challenge. To
cope with such a challenge, metabolic pathways such as those used in energy production …

Genetic contribution to high temperature tolerance in Cryptococcus neoformans

PR Stempinski, JM Zielinski, NH Dbouk, ES Huey… - Genetics, 2021 - academic.oup.com
The human fungal pathogen Cryptococcus neoformans relies on a complex signaling
network for the adaptation and survival at the host temperature. Protein phosphatase …

Unraveling caspofungin resistance in cryptococcus neoformans

N Papon, GH Goldman - MBio, 2021 - Am Soc Microbiol
Cryptococcus neoformans is a basidiomycetous yeast responsible for hundreds of
thousands of deaths a year and is particularly threatening in immunocompromised patients …

Molecular Mechanisms of Hypoxic Responses via Unique Roles of Ras1, Cdc24 and Ptp3 in a Human Fungal Pathogen Cryptococcus neoformans

YC Chang, A Khanal Lamichhane, HM Garraffo… - PLoS …, 2014 - journals.plos.org
Cryptococcus neoformans encounters a low oxygen environment when it enters the human
host. Here, we show that the conserved Ras1 (a small GTPase) and Cdc24 (the guanine …

Genetic analysis of Hsp90 function in Cryptococcus neoformans highlights key roles in stress tolerance and virulence

C Fu, SR Beattie, AJ Jezewski, N Robbins… - Genetics, 2022 - academic.oup.com
The opportunistic human fungal pathogen Cryptococcus neoformans has tremendous
impact on global health, causing 181,000 deaths annually. Current treatment options are …

Molecular Dissection of Crz1 and Its Dynamic Subcellular Localization in Cryptococcus neoformans

BJ Chadwick, BE Ross, X Lin - Journal of Fungi, 2023 - mdpi.com
Across lower eukaryotes, the transcription factor Crz1 is dephosphorylated by calcineurin,
which facilitates Crz1 translocation to the nucleus to regulate gene expression. In the fungal …