On the existence of H+-symport in yeasts - A comparative study

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Abstract

34 yeast strains representing 22 species and two varieties were investigated for the existence of a proton-sugar symport. The changes in pH of unbuffered cell suspensions on the addition of alkali, acid, transportable sugars and uncouplers were recorded. Responses indicating the existence of an energy dependent proton extrusion and H+-sugar symport were found in most cases, particularly in Rhodotorula but rarely in Saccharomyces species. Remarkable differences were found among strains belonging to the same species.

Original languageEnglish
Pages (from-to)205-211
Number of pages7
JournalArchives of Microbiology
Volume116
Issue number2
DOIs
Publication statusPublished - Feb 1 1978

Keywords

  • Active transport energization
  • Membrane transport
  • Proton-sugar symport
  • Rhodotorula
  • Saccharomyces
  • Yeasts

ASJC Scopus subject areas

  • Microbiology
  • Biochemistry
  • Molecular Biology
  • Genetics

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