The Cyclin Cln1 Controls Polyploid Titan Cell Formation following a Stress-Induced G2 Arrest in Cryptococcus

S Altamirano, Z Li, MS Fu, M Ding, SR Fulton, JM Yoder… - Mbio, 2021 - Am Soc Microbiol
… unbudded G 2 arrest and subsequent polyploid titan cell formation is also regulated by the
cell cycle. … Our results show that titan cell formation is cell cycle regulated, and the cyclin Cln1

Ubiquitin proteolysis of a CDK-related kinase regulates titan cell formation and virulence in the fungal pathogen Cryptococcus neoformans

C Cao, K Wang, Y Wang, TB Liu, A Rivera… - Nature …, 2022 - nature.com
Titan cells are large, polyploid, display alterations in cell wall … mechanisms that control
titan cell production remains … 4 C after 3 days of incubation in titan cell inducing conditions…

An in vitro method for inducing titan cells reveals novel features of yeast-to-titan switching in the human fungal pathogen Cryptococcus gattii

L Saidykhan, J Correia, A Romanyuk… - PLoS …, 2022 - journals.plos.org
… R265 titan cells produce daughter cells with a polyploid DNA … 7 day old titan and YPD overnight
(control) cells cultures were … following a Stress-Induced G2 Arrest in Cryptococcus. mBio. …

mps1 and mad mutations reduce Cryptococcus neoformans titan cell viability

K Aktar, T Davies, I Leontiou, I Clark, C Spanos… - bioRxiv, 2023 - biorxiv.org
… fascinating switches in cell cycle control and ploidy when it … Polyploidisation takes place
after a G2 arrest and involves … kinetochore attachments in polyploid titan cells are a cause of …

Ploidy changes in human fungal pathogens: Going beyond sexual reproduction

H Du, Q Zheng, RJ Bennett, G Huang - PLoS Pathogens, 2022 - journals.plos.org
… and can undergo rapid stress-induced karyotypic changes [21]. … after spores are inhaled and
approximately 20% of cells … can enable re-replication of DNA producing polyploid titan cells

Dynamic genome plasticity during unisexual reproduction in the human fungal pathogen Cryptococcus deneoformans

C Fu, A Davy, S Holmes, S Sun, V Yadav, A Gusa… - PLoS …, 2021 - journals.plos.org
… that cell cycle-regulating genes act in concert to control … to form polyploid titan cells [36]
These distinct cyclin expression … was fixed after cell cycle release from G1/S arrest by growing in …

Characterization of the WEE1 Homologues and the Investigation of Factors Promoting Cellular Enlargement in Cryptococcus Neoformans

RJ Colón Reyes - 2022 - tigerprints.clemson.edu
… is critical for Titan cell formation, and … following cell cycle arrest at G2, which can be induced
by high temperature [75]. It is clear from these examples that a tight control over the cell cycle

The Mitotic Cyclins Clb2p and Clb4p Affect Morphogenesis in Candida albicans

ES Bensen, A Clemente-Blanco… - … biology of the cell, 2005 - Am Soc Cell Biol
after the release of the elutriated cells, peaking 45 min after … albicans cell cycle control, we
produced N-terminal … between the G1 cyclins (prolonged accumulation of Cln1, presence of …

[HTML][HTML] Is Cryptococcus neoformans a pleomorphic fungus?

JCS Brown, ER Ballou - Current Opinion in Microbiology, 2024 - Elsevier
cells endoreduplicate to form uninucleate polyploid titan cells, … follows that the formation of
titan cells is inextricably linked to … cyclin Cln1, required for exit from G2, results in elevated titan

Human plasma-like medium (HPLM) induces Cryptococcus neoformans in vivo cell morphologies

E G. Mozo, O Ross, R Yuecel, IM Dambuza… - Msphere, 2024 - Am Soc Microbiol
titan cells are polyploid and have an increased chitin content. Therefore, we used flow cytometry
to examine the DNA and cell-wall chitin content after … rich YPD (control). Typical 5–7 μm …