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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
RNA sequencing reveals an additional Crz1-binding motif in promoters of its target genes in the human fungal pathogen Candida albicans.

Author(s): Xu H, Fang T, Omran RP, Whiteway M, Jiang L

Cell Commun Signal. 2020 Jan 03;18(1):1 Authors: Xu H, Fang T, Omran RP, Whiteway M, Jiang L

Article GUID: 31900175
Screening of Candida albicans GRACE library revealed a unique pattern of biofilm formation under repression of the essential gene ILS1.

Author(s): Costa ACBP, Omran RP, Correia-Mesquita TO, Dumeaux V, Whiteway M

Sci Rep. 2019 Jun 24;9(1):9187 Authors: Costa ACBP, Omran RP, Correia-Mesquita TO, Dumeaux V, Whiteway M

Article GUID: 31235750
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
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
Put3 Positively Regulates Proline Utilization in Candida albicans.

Author(s): Tebung WA, Omran RP, Fulton DL, Morschhäuser J, Whiteway M

mSphere. 2017 Nov-Dec;2(6): Authors: Tebung WA, Omran RP, Fulton DL, Morschhäuser J, Whiteway M

Article GUID: 29242833
Title:Hof1 plays a checkpoint related role in MMS induced DNA damage response in Candida albicans.
Authors:Feng J,  Islam A,  Bean B,  Feng J,  Sparapani S,  Shrivastava M,  Goyal A,  Omran RP,  Mallick J,  Whiteway M
Link:https://www.ncbi.nlm.nih.gov/pubmed/31940254?dopt=Abstract
DOI:10.1091/mbc.E19-06-0316
Category:Mol Biol Cell
PMID:31940254
Dept Affiliation: BIOLOGY
1 Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, Jiangsu 226001, China.
2 Biology Department, Concordia University, Montreal, QC H4B 1R6, Canada.
3 Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY 14642.

Description:

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

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

Abstract

Cells depend on robust DNA damage recognition and repair systems to maintain genomic integrity for survival in a mutagenic environment. In the pathogenic yeast Candida albicans, a subset of genes involved in the response to DNA damage-induced genome instability and morphological changes have been found to regulate virulence. To better understand the virulence-linked DNA repair network, we screened for MMS sensitivity within the GRACE conditional expression collection and identified 56 hits. One of these potential DNA damage repair-associated genes, a HOF1 conditional mutant, unexpectedly had a previously characterized function in cytokinesis. Deletion of HOF1 resulted in MMS sensitivity and genome instability, suggesting Hof1 acts in the DNA damage response. By probing genetic interactions with distinct DNA repair pathways, we found that Hof1 is genetically linked to the Rad53 pathway. Furthermore, Hof1 is downregulated in a Rad53-dependent manner and its importance in the MMS response is reduced when Rad53 is overexpressed or when RAD4 or RAD23 are deleted. Together, this work expands our understanding of the C. albicans DNA repair network and uncovers interplay between the cytokinesis regulator Hof1 and the Rad53-mediated checkpoint.

PMID: 31940254 [PubMed - as supplied by publisher]