Night synthesis of protein by algae.

R. L. Cuhel, P. B. Ortner, D. R S Lean

Research output: Chapter in Book/Report/Conference proceedingChapter

133 Scopus citations


Dunaliella tertiolecta in culture showed rates of net protein synthesis at night nearly equal to those during the day. In night protein synthesis carbon stored in carbohydrates and metabolite pools was used, whereas sulfate was assimilated from the medium as needed. As a result, whole cell C:S ratios varied systematically over the diel cycle, while the C:S ratio of isolated protein remained constant. In the stationary phase, sulfate incorporation into protein, unlike carbon incorporation, measured net protein synthesis rather than turnover. Diel experiments with natural populations of marine and freshwater algae demonstrated that night protein synthesis is a general phenomenon in phytoplankton. -from Authors

Original languageEnglish
Title of host publicationLimnology & Oceanography
Number of pages14
StatePublished - Dec 1 1984

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)


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