Light effects in yeast: inhibition by visible light of growth and transport in Saccharomyces cerevisiae grown at low temperatures | Zendy

John R. Woodward | Zendy; Vincent P. Cirillo | Zendy; Leland N. Edmunds | Zendy

Open Access

Light effects in yeast: inhibition by visible light of growth and transport in Saccharomyces cerevisiae grown at low temperatures

Author(s) -

John R. Woodward,

Vincent P. Cirillo,

Leland N. Edmunds

Publication year - 1978

Publication title -

journal of bacteriology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.652

H-Index - 246

eISSN - 1067-8832

pISSN - 0021-9193

DOI - 10.1128/jb.133.2.692-698.1978

Subject(s) - saccharomyces cerevisiae , biology , yeast , growth inhibition , membrane , histidine , biochemistry , biophysics , membrane transport , white light , amino acid , cell growth , optics , physics

Growth rate, sugar transport, and amino acid transport of yeast cells grown at 12 degrees C were inhibited by cool-white fluorescent light. At light intensities below 1,250 lx, growth and membrane transport were only slightly inhibited. Above 1,250 lx, there was increasing inhibition of both processes. Transport of histidine was completely inhibited after 3 to 5 days in cultures grown at 12 degrees C under 3,500-lx illumination. Cells grown at 20 degrees C were not inhibited by light intensities that caused complete loss of viability and membrane transport activity in cells grown at 12 degrees C.

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