The research report should be a detailed narrative explaining the function, biological processes, and localization of the gene product. Citations should be given for all claims.
You should prioritize authoritative reviews and primary scientific literature when conducting research. You can supplement
this with annotations you find in gene/protein databases, but these can be outdated or inaccurate.
We are specifically interested in the primary function of the gene - for enzymes, what reaction is catalyzed, and what is the substrate specificity? For transporters, what is the substrate? For structural proteins or adapters, what is the broader structural role? For signaling molecules, what is the role in the pathway.
We are interested in where in or outside the cell the gene product carries out its function.
We are also interested in the signaling or biochemical pathways in which the gene functions. We are less interested in broad pleiotropic effects, except where these elucidate the precise role.
Include evidence where possible. We are interested in both experimental evidence as well as inference from structure, evolution, or bioinformatic analysis. Precise studies should be prioritized over high-throughput, where available.
YGR117C (UniProt P53270; S. cerevisiae S288c) remains poorly characterized in the peer‑reviewed literature retrievable in this run. The strongest gene-specific experimental evidence located links YGR117C to translation fidelity/termination and overall protein synthesis, based on reporter assays in a YGR117C deletion strain; the same work cites prior GFP-tag localization placing the protein in the cytoplasm. Inclusion of YGR117C as a candidate in a genome-wide nonstop-decay (NSD) screen provides only weak, unvalidated support for involvement in mRNA surveillance-related biology.
Uncharacterized protein / ORF gene. In budding yeast, many loci are historically designated by systematic ORF names (e.g., YGR117C) before a molecular function is established. In the evidence retrieved here, YGR117C is treated as a yeast ORF with limited prior functional characterization (tan2014identificationofnovel pages 86-90).
Translation termination fidelity and stop-codon readthrough. Stop-codon readthrough assays measure the propensity for ribosomes to continue translation past a stop codon, typically using reporter constructs (e.g., β-galactosidase) engineered with premature termination codons. Increased readthrough in a deletion mutant indicates a defect (direct or indirect) in translation termination fidelity or related quality-control processes (tan2014identificationofnovel pages 86-90).
Nonstop decay (NSD). NSD is an mRNA surveillance pathway targeting transcripts lacking stop codons; genome-wide deletion screens can identify candidate genes whose deletion alters NSD reporter behavior, but candidate lists require gene-specific validation before assigning function (kazmirchuk2017agenomicscreen pages 114-117).
Limitations for 2023–2024 YGR117C-specific literature in this run. Searches targeting YGR117C/P53270 did not retrieve YGR117C-focused primary studies from 2023–2024. A 2023 Nucleic Acids Research paper was retrieved in the search results set for yeast (Msn2/G4 DNA) but did not yield YGR117C-specific evidence in the text-extraction step; therefore it cannot be used to support YGR117C functional annotation here (duy2023yeasttranscriptionfactor; no relevant evidence returned).
Most informative available study (2014). The most substantive evidence retrievable in this run comes from a 2014 doctoral thesis that experimentally tested YGR117C deletion phenotypes in translation assays (tan2014identificationofnovel pages 86-90).
In a targeted follow-up of candidate genes affecting translation fidelity, deletion of YGR117C was reported to increase translational stop-codon readthrough of premature stop codons in β-galactosidase reporter assays, and accompanying qRT-PCR controls supported that the effect was not explained by altered reporter mRNA abundance (i.e., consistent with a translation-level effect) (tan2014identificationofnovel pages 86-90). The authors interpret these results as consistent with YGR117C being involved in the translation pathway (tan2014identificationofnovel pages 86-90).
Interpretation. Increased readthrough is compatible with YGR117C contributing—directly (e.g., via a physical role in translation termination) or indirectly (e.g., via protein homeostasis affecting termination factors)—to maintaining termination fidelity. However, no biochemical activity, binding partner, or complex membership for YGR117C was established in the retrieved text (tan2014identificationofnovel pages 86-90).
Using a GAL1-driven β-galactosidase assay as a proxy for protein synthesis/translation efficiency, YGR117C deletion was reported among strains showing decreased protein synthesis, again with qRT-PCR indicating that mRNA levels did not account for the observed effect (tan2014identificationofnovel pages 86-90).
Interpretation. This provides convergent (though still indirect) evidence that YGR117C impacts translation output in vivo. Whether the decreased reporter output reflects reduced global translation, altered translation initiation/elongation, or altered protein stability cannot be resolved from the retrieved excerpt alone (tan2014identificationofnovel pages 86-90).
In a genome-wide investigation designed to identify genes linked to nonstop decay and its potential relationship to autophagy, YGR117C appears in an appendix table as one of 446 candidates; no gene-specific validation, effect size, or mechanistic interpretation was provided for YGR117C in the retrieved pages (kazmirchuk2017agenomicscreen pages 114-117).
Interpretation. Candidate-list inclusion alone is insufficient to assign YGR117C a role in NSD or autophagy; at most, it motivates follow-up testing (kazmirchuk2017agenomicscreen pages 114-117).
The translation-focused thesis cites prior large-scale GFP-tag localization work (Huh et al., 2003) reporting YGR117C localization in the cytoplasm (tan2014identificationofnovel pages 86-90). No additional localization experiments for YGR117C were retrieved in this run.
Interpretation. Cytoplasmic localization is consistent with translation-related roles (ribosomes and many translation factors are cytoplasmic), but does not specify association with ribosomes, stress granules, or other subcompartments.
The user-supplied UniProt/InterPro context indicates YGR117C/P53270 contains LisH and WD40-related domains (InterPro IDs IPR006594; IPR036322). However, these domain annotations could not be independently verified from retrievable database text in this run (no UniProt/InterPro pages were available in evidence), and none of the retrieved publications provided domain-level experimental characterization of YGR117C.
Interpretation (conservative). WD40 repeat proteins often function as scaffolds/adaptors in multiprotein complexes, and LisH motifs can mediate dimerization and/or regulate microtubule-associated functions in some proteins. These are plausible hypotheses for YGR117C mechanism, but they remain inferences not supported by direct evidence in the retrieved corpus, and therefore should not be treated as established function here.
No direct evidence of physical interactions, genetic interaction partners, specific stress phenotypes, or defined pathway membership for YGR117C was retrieved beyond the translation reporter phenotypes and the unvalidated NSD screen-candidate listing (tan2014identificationofnovel pages 86-90, kazmirchuk2017agenomicscreen pages 114-117).
A dissertation appendix listing yeast ORFs includes YGR117C only as an identifier without annotation, and thus provides no interpretable functional evidence (hog2014functionalstudiesof pages 95-97).
Within the retrieved literature, YGR117C’s primary “real-world” usage is as a functional genomics screening hit/candidate:
No industrial strain engineering, fermentation trait optimization, or biotechnology implementations specifically involving manipulation of YGR117C were retrieved in this run.
Quantitative effect sizes (e.g., fold change in readthrough or reporter activity) were not present in the retrieved excerpts; therefore, this report cannot provide numeric magnitudes for YGR117C’s translation-related phenotypes without additional source access.
The following table consolidates the directly retrievable evidence supporting YGR117C functional inference.
| Study/source | Publication year/date and URL/DOI | Experimental system/assay | Key finding related to YGR117C | Supported aspect | Notes/limitations |
|---|---|---|---|---|---|
| Tan, Identification of Novel Translation Related Genes in S. cerevisiae | 2014; DOI: 10.22215/etd/2014-10376; URL: https://doi.org/10.22215/etd/2014-10376 | Yeast deletion strain analyses; β-galactosidase stop-codon readthrough reporter; GAL1-driven β-galactosidase protein-synthesis assay; qRT-PCR controls; localization citation to Huh et al. 2003 | Deletion of YGR117C increased premature stop-codon readthrough and was also associated with decreased overall protein synthesis in reporter assays; qRT-PCR suggested effects were at the translation level rather than due to altered mRNA abundance. The thesis also cites prior GFP-localization work placing YGR117C in the cytoplasm. Authors conclude YGR117C may participate in the translation pathway. (tan2014identificationofnovel pages 86-90) | Putative function in translation/translation fidelity; cellular process: protein synthesis; localization: cytoplasm | Primary evidence is from a thesis rather than a peer-reviewed paper focused on YGR117C; mechanistic target, binding partners, and direct biochemical activity remain unresolved. Cytoplasmic localization is secondary attribution from earlier GFP-localization work, not newly demonstrated in the thesis. |
| Kazmirchuk, A Genomic Screen of S. cerevisiae Reveals a Potential Link Between Nonstop Decay and Autophagy | 2017; DOI: 10.22215/etd/2017-12159; URL: https://doi.org/10.22215/etd/2017-12159 | Genome-wide deletion-based nonstop decay (NSD) screen; appendix candidate table | YGR117C appears as one of 446 candidate genes from the NSD screen, but no gene-specific validation or mechanistic interpretation for YGR117C is provided in the retrieved text. (kazmirchuk2017agenomicscreen pages 114-117) | Very weak support for a possible link to mRNA surveillance/NSD-related screening context | Candidate-list inclusion alone is insufficient to assign function; no phenotype size, validation assay, localization, or pathway placement for YGR117C was reported in the retrieved excerpt. |
| Hög, Functional studies of RNA polymerase II recruitment to promoter DNA and impact of BRF1 mutations on RNA polymerase III-dependent transcription | 2014; Jan 2014; DOI: 10.5282/edoc.17932; URL: https://doi.org/10.5282/edoc.17932 | Appendix/listing of yeast ORFs in dissertation | YGR117C is mentioned only as an ORF identifier in an appendix list; no functional, phenotypic, localization, or pathway data are given. (hog2014functionalstudiesof pages 95-97) | No substantive support; negative/neutral evidence | Useful mainly to document that this source does not provide interpretable annotation for YGR117C. |
Table: This table summarizes the small amount of directly retrievable evidence for S. cerevisiae YGR117C/P53270. It distinguishes comparatively informative translation-related evidence from sources where YGR117C is only listed without gene-specific validation.
This report is constrained to evidence retrievable via the provided tools in this run. Curated database pages (UniProt/SGD/InterPro) and 2023–2024 gene-specific studies for YGR117C were not retrievable here; consequently, domain architecture, orthology, interaction networks, and updated annotations could not be independently confirmed from authoritative databases, and recent developments could not be substantiated with YGR117C-specific citations.
References
(tan2014identificationofnovel pages 86-90): Identification of Novel Translation Related Genes in Saccharomyces Cerevisiae
(kazmirchuk2017agenomicscreen pages 114-117): Thomas Kazmirchuk. A genomic screen of saccharomyces cerevisiae reveals a potential link between nonstop decay and autophagy. ArXiv, 2017. URL: https://doi.org/10.22215/etd/2017-12159, doi:10.22215/etd/2017-12159. This article has 0 citations.
(hog2014functionalstudiesof pages 95-97): Friederike Hög. Functional studies of rna polymerase ii recruitment to promoter dna and impact of brf1 mutations on rna polymerase iii-dependent transcription. Dissertation, Jan 2014. URL: https://doi.org/10.5282/edoc.17932, doi:10.5282/edoc.17932. This article has 0 citations.