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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Molecular cloning and biosynthetic regulation of cry1 gene of Saccharomyces cerevisiae.

The cryptopleurine resistance gene, cry1, of Saccharomyces cerevisiae has been molecularly cloned using genetic complementation of cryptopleurine sensitivity by the cryptopleurine resistance gene contained in a clone library prepared from DNA of a cryptopleurine resistant strain. Analysis of RNA transcripts indicated that the cry1 gene is the template for a transcript of approximately 900 bases and that the primary transcript contains an intron of approximately 300 bases. In vitro hybrid selection translation experiments indicated that this transcript encodes a protein of molecular weight 17 kilodaltons which on two-dimensional SDS polyacrylamide gels exactly coincides with ribosomal protein rp59. Further analysis showed that when the gene was present on a plasmid of about five copies per cell the amount of messenger RNA was elevated approximately five-fold compared to a cell that had only a single chromosomal copy. The rate of synthesis of ribosomal protein rp59 was not detectably elevated. These data suggest that the cry1 gene is regulated, at least in part, post-transcriptionally.[1]

References

  1. Molecular cloning and biosynthetic regulation of cry1 gene of Saccharomyces cerevisiae. Himmelfarb, H.J., Vassarotti, A., Friesen, J.D. Mol. Gen. Genet. (1984) [Pubmed]
 
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