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Gene Review

SPS2  -  Sps2p

Saccharomyces cerevisiae S288c

Synonyms: D9719.26, Sporulation-specific protein 2, YDR522C
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Disease relevance of SPS2


High impact information on SPS2

  • In addition, the expression of later meiotic transcripts, SPS2 and DIT1, is significantly delayed and reduced [2].
  • A plasmid containing only the sequence upstream of the TATA box of the SPS2 gene (-350 to -68) was unable to inhibit the completion of sporulation, whereas the downstream sequence, from -70 to +404, although unable by itself to inhibit sporulation, could do so when provided with an upstream fragment containing the CYC1 upstream activation sequence [3].
  • We found that the introduction into a yeast cell of a high-copy-number plasmid containing the 5' end of the SPS2 gene, a sporulation-specific gene of Saccharomyces cerevisiae, led to a reduction in the efficiency of spore formation [3].
  • Deletion of 22 base pairs from pAP290, which introduced a frameshift after codon 17 of the SPS2 gene and reduced the open reading frame to 26 amino acids, generated a plasmid (pAP290 delta Pst) which could no longer inhibit sporulation [3].
  • We conclude from these results that the presence of both the SPS2 promoter (or a substitute promoter) and the initial coding sequence of the SPS2 gene is required in the high-copy-number plasmid to generate the asporogenous phenotype [3].

Biological context of SPS2

  • The 3' end of the transcript encoded by the SPS1 gene was found to map only 185 base pairs from the 5' end of the SPS2 gene [4].
  • The fusion gene was found to be expressed at the same time during sporulation as the chromosomal wild-type SPS2 gene [4].

Associations of SPS2 with chemical compounds


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