ReviewCurrent genetics2009
The pleiotropic cell separation mutation spl1-1 is a nucleotide substitution in the internal promoter of the proline tRNACGG gene of Schizosaccharomyces pombe.
Review in Current genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 citing papers in PubMed, 4 citations in OpenAlex.
- TheCells · 2025Article
- Disruption of theJournal of fungi (Basel, Switzerland) · 2023Article
- Cytotoxic T lymphocyte antigen-4 regulates development of xenogenic graft versus host disease in mice via modulation of host immune responses induced by changes in human T cell engraftment and gene expression.Clinical and experimental immunology · 2021Article
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3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
spl1-1 was originally identified as a spontaneous mutation genetically interacting with sep1-1 and cdc4-8 in producing multinucleate syncytia. This study shows that it is allelic with the proline-tRNA(CGG) gene SPATRNAPRO.02. Its nucleotide sequence contains a C-->T substitution in the region corresponding to the B-box of the putative intragenic promoter and the TpsiC loop of the mature tRNA. The substitution drastically reduces the transcription efficiency of the gene and pleiotropically affects numerous cellular processes. spl1-1 cells are temperature sensitive, osmosensitive, bend at higher temperatures, have extended G2 phase and are defective in cell separation (septum cleavage). The proline-tRNA(TGG) gene SPATRNAPRO.01 can partially suppress the spl1-1 mutation when introduced into the cells on a multicopy plasmid. The effect of a mutation in a tRNA gene on cell separation brings a new element into the complexity of the regulation of cell division and its co-ordination with other cellular processes in Schizosaccharomyces pombe.
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