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Synthetic Lethality (SLAM) Project Data

ABSTRACT: Synthetic lethality is a type of genetic interaction in which two non-lethal mutations acting together result in a loss of viability. Such interactions are important for the insights they may offer into how gene functions are organized into distinct cellular processes. The datasets in this Series represent an effort to identify synthetic lethal genetic interactions in the yeast Saccharomyces cerevisiae on a genome-wide scale.

ORGANISM(S): Saccharomyces cerevisiae

PROVIDER: GSE14217 | GEO | 2013/02/28

SECONDARY ACCESSION(S): PRJNA111345

REPOSITORIES: GEO

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Synthetic Lethality (SLAM) Project Data

Project description:Synthetic lethality is a type of genetic interaction in which two non-lethal mutations acting together result in a loss of viability. Such interactions are important for the insights they may offer into how gene functions are organized into distinct cellular processes. The datasets in this Series represent an effort to identify synthetic lethal genetic interactions in the yeast Saccharomyces cerevisiae on a genome-wide scale. Please see the Pubmed IDs in the individual Sample annotations.

2013-02-28 | E-GEOD-14217 | biostudies-arrayexpress

Kinome-wide shRNA screen for synthetic lethality in patient-derived FANCA-deficient fibroblasts.

Project description:The purpose of this screen was to identify synthetic lethal targets in FANCA-deficient cells.

2021-05-24 | E-MTAB-9802 | biostudies-arrayexpress

Screen for genes showing synthetic lethality with NF2 in Schwannoma [Other]

Project description:Neurofibromatosis Type II is a genetic condition caused by loss of the NF2 gene, resulting in activation of the YAP/TAZ pathway and recurrent growth of benign tumors from Schwann cells, the glia of the peripheral nervous system. Unfortunately, no pharmacological therapy is currently available for NFII. Here, we undertake a genome-wide CRISPR/cas9 screen to search for synthetic-lethal genes that, when inhibited, cause death of NF2 mutant cells but not NF2 wildtype cells. We thereby identify ACSL3 and G6PD as two synthetic-lethal partners for NF2. We find that NF2 mutant Schwann cells are vulnerable to G6PD inhibition because they have low levels of ME1. G6PD and ME1 redundantly generate cytosolic NADPH needed by cells to fight oxidative stress. Lack of either one of the two is compatible with cell viability, but down-regulation of both leads to Schwann cell death. Since genetic deficiency for G6PD is tolerated in the human population, this raises the possibility that G6PD could be a pharmacological target for NFII.

2024-04-24 | GSE219136 | GEO

Screen for genes showing synthetic lethality with NF2 in Schwannoma [RNA-Seq]

2024-04-24 | GSE219135 | GEO

SML1 synthetic lethality

Project description:Assessment of synthetic lethality between an sml1 null mutation and Yeast Deletion mutations Keywords = SML1 Keywords = yeast Keywords = deletion Keywords = synthetic lethality Keywords = tag Keywords = barcode Keywords: repeat sample

2004-11-05 | GSE1765 | GEO

SGS1 synthetic lethality

Project description:Assessment of synthetic lethality between an sgs1 null mutation and Yeast Deletion mutations Keywords = SGS1 Keywords = yeast Keywords = deletion Keywords = synthetic lethality Keywords = tag Keywords = barcode Keywords: repeat sample

2004-11-05 | GSE1757 | GEO

BIM1 synthetic lethality

Project description:Assessment of synthetic lethality between a bim1 null mutation and Yeast Deletion mutations Keywords = BIM1 Keywords = yeast Keywords = deletion Keywords = synthetic lethality Keywords = tag Keywords = barcode Keywords: repeat sample

2004-11-05 | GSE1756 | GEO

CIN8 Synthetic Lethality

Project description:Assessment of synthetic lethality between a cin8 deletion mutation and Yeast Deletion mutations. Keywords = CIN8 Keywords = yeast Keywords = deletion Keywords = synthetic lethality Keywords = tag Keywords = barcode Keywords: repeat sample

2004-11-05 | GSE1754 | GEO

LCD1-overexpression synthetic lethality

Project description:Assessment of synthetic lethality between an overexpressed LCD1 gene and Yeast Deletion mutations Keywords = LCD1 Keywords = overexpression Keywords = yeast Keywords = deletion Keywords = synthetic lethality Keywords = tag Keywords = barcode Keywords: repeat sample

2004-11-05 | GSE1759 | GEO

Conditional covalent lethality driven by oncometabolite accumulation

Project description:Hereditary leiomyomatosis and renal cell carcinoma (HLRCC) is a cancer predisposition syndrome driven by mutation of the tumor suppressor fumarate hydratase (FH). Inactivation of FH causes accumulation of the electrophilic oncometabolite fumarate. In the absence of methods for reactivation, tumor suppressors can be targeted via identification of synthetic lethal interactions using genetic screens. Inspired by recent advances in chemoproteomic target identification, here we test the hypothesis that the electrophilicity of the HLRCC metabolome may produce unique susceptibilities to covalent small molecules, a phenomenon we term conditional covalent lethality. Screening a panel of chemically diverse electrophiles we identified a covalent ligand, MP-1, that exhibits FH-dependent cytotoxicity. Synthesis and structure-activity profiling identified key molecular determinants underlying the molecule’s effects. Chemoproteomic profiling of cysteine reactivity together with clickable probes validated the ability of MP-1 to engage an array of functional cysteines, including one lying in the Zn-finger domain of the tRNA methyltransferase enzyme TRMT1. TRMT1 overexpression rescues tRNA methylation from inhibition by MP-1 and partially attenuates the covalent ligand’s cytotoxicity. Our studies highlight the potential for covalent metabolites and small molecules to synergistically produce novel synthetic lethal interactions and raise the possibility of applying phenotypic screening with chemoproteomic target identification to identify new functional oncometabolite targets.

2024-01-26 | PXD033546 | Pride

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