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Hof1 plays a checkpoint related role in MMS induced DNA damage response in Candida albicans.

Author(s): Feng J, Islam A, Bean B, Feng J, Sparapani S, Shrivastava M, Goyal A, Omran RP, Mallick J, Whiteway M

Mol Biol Cell. 2020 Jan 15;:mbcE19060316 Authors: Feng J, Islam A, Bean B, Feng J, Sparapani S, Shrivastava M, Goyal A, Omran RP, Mallick J, Whiteway M

Article GUID: 31940254
Chemogenomic Profiling of the Fungal Pathogen Candida albicans.

Author(s): Chen Y, Mallick J, Maqnas A, Sun Y, Choudhury BI, Côte P, Yan L, Ni TJ, Li Y, Zhang D, Rodríguez-Ortiz R, Lv QZ, Jiang YY, Whiteway M

Antimicrob Agents Chemother. 2018 02;62(2): Authors: Chen Y, Mallick J, Maqnas A, Sun Y, Choudhury BI, Côte P, Yan L, Ni TJ, Li Y, Zhang D, Rodríguez-Ortiz R, Lv QZ, Jiang YY, Whiteway M

Article GUID: 29203491
Erratum for Chen et al., "Chemogenomic Profiling of the Fungal Pathogen Candida albicans".

Author(s): Chen Y, Mallick J, Maqnas A, Sun Y, Choudhury BI, Côte P, Yan L, Ni TJ, Li Y, Zhang D, Rodríguez-Ortiz R, Lv QZ, Jiang YY, Whiteway M...

Antimicrob Agents Chemother. 2018 04;62(4): Authors: Chen Y, Mallick J, Maqnas A, Sun Y, Choudhury BI, Côte P, Yan L, Ni TJ, Li Y, Zhang D, Rodríguez-Ortiz R, Lv QZ, Jiang YY, Whiteway M...

Article GUID: 29588354
Integration of Growth and Cell Size via the TOR Pathway and the Dot6 Transcription Factor in Candida albicans.

Author(s): Chaillot J, Tebbji F, Mallick J, Sellam A

Genetics. 2019 02;211(2):637-650 Authors: Chaillot J, Tebbji F, Mallick J, Sellam A

Article GUID: 30593490
MAP Kinase Regulation of the Candida albicans Pheromone Pathway.

Author(s): Rastghalam G, Omran RP, Alizadeh M, Fulton D, Mallick J, Whiteway M

mSphere. 2019 02 20;4(1): Authors: Rastghalam G, Omran RP, Alizadeh M, Fulton D, Mallick J, Whiteway M

Article GUID: 30787119
The evolutionary rewiring of the ribosomal protein transcription pathway modifies the interaction of transcription factor heteromer Ifh1-Fhl1 (interacts with forkhead 1-forkhead-like 1) with the DNA-binding specificity element.

Author(s): Mallick J, Whiteway M

J Biol Chem. 2013 Jun 14;288(24):17508-19 Authors: Mallick J, Whiteway M

Article GUID: 23625919
Mms21: A Putative SUMO E3 Ligase in Candida albicans That Negatively Regulates Invasiveness and Filamentation, and Is Required for the Genotoxic and Cellular Stress Response.

Author(s): Islam A, Tebbji F, Mallick J, Regan H, Dumeaux V, Omran RP, Whiteway M

Genetics. 2019 02;211(2):579-595 Authors: Islam A, Tebbji F, Mallick J, Regan H, Dumeaux V, Omran RP, Whiteway M

Article GUID: 30530734
Title:Integration of Growth and Cell Size via the TOR Pathway and the Dot6 Transcription Factor in Candida albicans.
Authors:Chaillot J,  Tebbji F,  Mallick J,  Sellam A
Link:https://www.ncbi.nlm.nih.gov/pubmed/30593490?dopt=Abstract
DOI:10.1534/genetics.118.301872
Category:Genetics
PMID:30593490
Dept Affiliation: BIOLOGY
1 Centre hospitalier Universitaire de Québec (CHUQ) Research Center, Université Laval, Quebec G1V 4G2, Canada.
2 Department of Biology, Concordia University, Montréal, Quebec H3G 1M8, Canada.
3 Centre hospitalier Universitaire de Québec (CHUQ) Research Center, Université Laval, Quebec G1V 4G2, Canada adnane.sellam.1@ulaval.ca.
4 Department of Microbiology, Infectious Disease and Immunology, Faculty of Medicine, Université Laval, Quebec G1V 4G2, Canada.

Description:

Integration of Growth and Cell Size via the TOR Pathway and the Dot6 Transcription Factor in Candida albicans.

Genetics. 2019 02;211(2):637-650

Authors: Chaillot J, Tebbji F, Mallick J, Sellam A

Abstract

In most species, size homeostasis appears to be exerted in late G1 phase as cells commit to division, called Start in yeast and the Restriction Point in metazoans. This size threshold couples cell growth to division, and, thereby, establishes long-term size homeostasis. Our former investigations have shown that hundreds of genes markedly altered cell size under homeostatic growth conditions in the opportunistic yeast Candida albicans, but surprisingly only few of these overlapped with size control genes in the budding yeast Saccharomyces cerevisiae Here, we investigated one of the divergent potent size regulators in C. albicans, the Myb-like HTH transcription factor Dot6. Our data demonstrated that Dot6 is a negative regulator of Start, and also acts as a transcriptional activator of ribosome biogenesis (Ribi) genes. Genetic epistasis uncovered that Dot6 interacted with the master transcriptional regulator of the G1 machinery, SBF complex, but not with the Ribi and cell size regulators Sch9, Sfp1, and p38/Hog1. Dot6 was required for carbon-source modulation of cell size, and it is regulated at the level of nuclear localization by the TOR pathway. Our findings support a model where Dot6 acts as a hub that integrates growth cues directly via the TOR pathway to control the commitment to mitotic division at G1.

PMID: 30593490 [PubMed - indexed for MEDLINE]