ORIGINAL PAPER

Current Genetics

, Volume 30, Issue 5, pp 396-403

First online:

Molecular analysis of UFE1, a Saccharomyces cerevisiae gene essential for spore formation and vegetative growth

  • Thomas A. DowningAffiliated withDepartment of Biology, Concordia University, 1455 De Maisonaeuve Blvd, W., Montreal H3G 1MB, Canada
  • , R. K. StormsAffiliated withDepartment of Biology, Concordia University, 1455 De Maisonaeuve Blvd, W., Montreal H3G 1MB, Canada

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Abstract

 The UFE1 gene of Saccharomyces cerevisiae was cloned, sequenced and characterized. The coding region of UFE1 is separated from the TMP1 gene on chromosome XV by 624 bp. Gene-disruption experiments demonstrated that UFE1 is essential for both the germination of ascospores and for vegetative growth. Translation of the UFE1 coding region generates a protein with significant similarity to cytokeratin and to the coiled-coil region of SED5, USO1 and restin, suggesting that it is involved in the secretory pathway and may also be related to intermediate filament-associated proteins.

Key words Saccharomyces cerevisiae UFE1 Secretion TMP1