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Label-free quantitative total membrane proteome analysis of Candida glabrata wild-type and eleven CgYapsins-deficient strain Cgyps1-11∆.

ABSTRACT: The project is aimed at characterizing the effect of loss of a family of eleven aspartyl proteases (Cg Yapsins) on the abundance of proteins in the total membrane factions of Candida glabrata.

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Candida Glabrata (yeast) (torulopsis Glabrata)

SUBMITTER: Rupinder Kaur

LAB HEAD: Rupinder Kaur

PROVIDER: PXD029629 | Pride | 2022-04-04

REPOSITORIES: Pride

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The yapsin family of aspartyl proteases regulate glucose homeostasis in Candida glabrata.

Askari Fizza F Rasheed Mubashshir M Kaur Rupinder R

The Journal of biological chemistry 20220117 2

Invasive candidiasis poses a major healthcare threat. The human opportunistic fungal pathogen Candida glabrata, which causes mucosal and deep-seated infections, is armed with distinct virulence attributes, including a family of 11 glycosylphosphatidylinositol-linked aspartyl proteases, CgYapsins. Here, we have profiled total membrane proteomes of the C. glabrata wildtype and 11 proteases-deficient strain, Cgyps1-11Δ, by mass spectrometry analysis and uncovered a novel role for fungal yapsins in ...[more]

PMID: 35051415

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Total membrane proteome analysis of Candida glabrata wild-type and eleven CgYapsins-deficient strain Cgyps1-11∆.

Project description:The project is aimed at characterizing the effect of loss of a family of eleven aspartyl proteases (Cg Yapsins) on the global membrane proteome of Candida glabrata.

2022-04-04 | PXD029614 | Pride

Label-free quantitative plasma membrane proteome analysis of Candida glabrata wild-type and Cgvps34∆ (lacks phosphatidylinositol 3- phosphate kinase, CgVps34) strains. Label-free quantitative plasma membrane proteome analysis of Candida glabrata wild-type and Cgvps34∆ (lacks phosphatidylinositol 3- phosphate kinase, CgVps34) strains.

Project description:The project is aimed at characterizing the effect of loss of phosphatidylinositol 3- phosphate kinase (CgVps34) on the plasma membrane proteome of Candida glabrata.

2024-02-19 | PXD042056 | Pride

Phosphatidylinositol 3-phosphate (PI3P) interactome analysis under varied iron conditions in Candida glabrata.

Project description:The project is aimed at identifying proteins that interact with PI3P in low-iron, regular-iron and high-iron grown Candida glabrata cells.

2024-02-19 | PXD042058 | Pride

Interactome identification of a glycosylphosphatidylinositol-linked aspartyl protease, CgYps1, in the pathogenic yeast Candida glabrata

Project description:The major goal of this project is to identify proteins that interact with CgYps1 aspartyl protease in logarithmic-phase Candida glabrata cells.

2021-02-08 | PXD022766 | Pride

Quantitative secretome profiling of Candida glabrata wild-type and aspartyl protease-deficient strains

Project description:The project is aimed at deciphering the proteins, which are differentially abundant in the secretome of Candida glabrata wild-type and a mutant strain deleted for eleven cell surface-associated aspartyl-proteases (CgYapsins).

2019-10-24 | PXD015147 | Pride

Secretome analysis of Candida glabrata wild-type and aspartyl protease-deficient strains

Project description:The project is aimed at characterizing the secretome of a human opportunistic fungal pathogen Candida glabrata. Additionally, the effect of loss of a family of eleven aspartyl proteases (Cg Yapsins) on the Candida glabrata secretome is studied.

2019-10-25 | PXD015131 | Pride

Candida glabrata transcription profile when grown under Niacin starvation or in human urine

Project description:The transcription profile of Candida glabrata grown under two different Niacin limitation conditions were determined. Condition 1 is comparing log phase C. glabrata cells (O.D. 0.5-0.6) grown in synthetic medium containing 0.016 uM versus 3.25 uM nicotinic acid (NA), a common form of Niacin. The NA concentration of 3.25 uM is the standard concentration in synthetic complete (SC) medium. Condition 2 is comparing log phase C. glabrata cells (O.D. 0.4-0.6) grown in 3 individual human urine samples (supplemented with 2% glucose) versus in SC medium. Keywords: transcriptional profiling by microarray GSM151863, GSM151869 are dye-swap experiment #1 and GSM151880, GSM151881 are dye-swap experiment #2 for Niacin limitation condition 1. GSM151934, GSM152116 are dye-swap experiment #1, GSM152118, GSM152119 are dye-swap experiment #2 and GSM152130, GSM152131 are dye-swap experiment #3 for Niacin limitation condition 2.

2010-06-05 | E-GEOD-6582 | biostudies-arrayexpress

Interactome identification of Histones H3 and H4 in the presence and absence of methyl methanesulfonate (MMS) in the pathogenic yeast Candida glabrata

Project description:The main goal of this project is to identify proteins in Candida glabrata that interact with histones H3 (CgHht) and H4 (CgHhf) under normal and MMS-treatment conditions.

2020-02-21 | PXD016867 | Pride

Response of Candida glabrata to low pH

Project description:To examine the role of a glycosylphosphatidylinositol-linked aspartyl protease, CgYps1, in the regulation of pH homeostasis in Candida glabrata, transcriptional profiling analysis was carried out on wild-type and Cgyps1∆ cells grown in YNB medium (pH 5.5) and in YNB medium adjusted to pH 2.0. Genes involved in carbohydrate and amino acid metabolism, protein folding and stress response pathways were found to be differentially regulated in response to acidic environment in both the strains. To examine the role of a glycosylphosphatidylinositol-linked aspartyl protease, CgYps1, in the regulation of pH homeostasis in Candida glabrata, transcriptional profiling analysis was carried out on wild-type and Cgyps1∆ delta cells grown in YNB medium (pH 5.5) and in YNB medium adjusted to pH2.0. Genes involved in carbohydrate and amino acid metabolism, protein folding and stress response pathways were found to be differentially regulated in response to acidic environment in both the strains Agilent one-color experiment,Organism: Yeast ,Agilent-026378 Genotypic designed Custom Candida glabrata 8x15k , Labeling kit: Agilent Quick-Amp labeling

2011-01-10 | E-GEOD-24267 | biostudies-arrayexpress

Microarray analysis reveals novel regulatory genes associated with the non-aflatoxigenic Aspergillus parasiticus mutants obtained by 5-azacytosine treatment or serial mycelial transfer

Project description:Aflatoxins are carcinogenic secondary metabolites produced by the fungi Aspergillus flavus and Aspergillus parasiticus. Repeated serial mycelial transfer or treatment of A. parasiticus with 5-azacytidine produced mutants with a fluffy phenotype and loss of aflatoxin production. To understand how these treatments affect aflatoxin production and development, we carried out expressed sequence tag (EST)-based microarray assays to identify differentially expressed genes in clones obtained from these treatments. Expression of 183 genes was significantly dysregulated. Of these, 38 had at least two-fold or lower expression compared to the untreated control and only two had two-fold or higher expression. The most frequent change was downregulation of genes predicted to be membrane-bound. Dysregulation of some of these may be responsible for the fluffy phenotype. Of the aflatoxin biosynthesis pathway genes only aflJ (aflS) was significantly affected by either treatment. A gene for a protein homologous to a key regulator of secondary metabolite biosynthesis (LaeA) was one of the upregulated genes and possibly could affect the activity of LaeA. Other genes known to be required for fungal developmental or aflatoxin production were not affected by the treatments. Consistent with the fluffy phenotype and the non-aflatoxigenicity of the clones obtained by either treatment, we hypothesize that the mutations cause improper development of conidiophores and specialized biosynthesis vacuoles (aflatoxisomes) needed for AF production. A. parasiticus wild-type (WT) and clones from serial mycelial transfer (SerTrans), and 5-azacytidine-treated (5-AC) fungi were grown for 16 and 24 h on PDA medium. RNA was isolated from the mycelia at each time point and cDNAs were labeled with Cy3 or Cy5 dyes prior to microarray assay.

2011-12-31 | E-GEOD-30756 | biostudies-arrayexpress

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