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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Changes In Gene Expression During Induction Of The Carbon Dioxide Concentrating Mechanism In Chlamydomonas Reinhardtii , Thomas Leslie Winder
Retrospective Theses and Dissertations
The regulation of genes by CO[subscript]2 concentration in wild type and mutants of the unicellular green alga Chlamydomonas reinhardtii was studied. This and other algal species can photosynthesize efficiently under limiting concentrations of CO[subscript]2 due to the activities of a CO[subscript]2 concentrating mechanism and carbonic anhydrase. A cDNA copy of the gene that codes for a periplasmic carbonic anhydrase (perCA) was isolated and used to study regulation of perCA synthesis in a cell wall-deficient mutant (CW-15). Over-expression of perCA in CW-15, relative to wild type, was found at the levels of enzyme activity, protein ...