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Studies on mutants deficient in the photosystem I reaction centers in Chlamydomonas reinhardtii

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Summary

Genetic analysis of 25 nuclear mutants defective in the chlorophyll-protein complex CP1 was undertaken. The mutants belong to 13 complementation groups scattered throughout the nuclear genome. All these mutants lack the apoprotein of CP1 and, in addition, a specific set of six low molecular weight thylakoid polypeptides. System I particles obtained by treating WT thylakoid membranes with detergent specifically contain those polypeptides which the mutants lack. These observations suggest that a particular sub-structure of the thylakoid membrane associated with the photosystem I activity is missing from all 25 mutants studied, and that this general phenotype can result from mutation at any one of several unlinked Mendelian loci.

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Girard, J., Chua, N.H., Bennoun, P. et al. Studies on mutants deficient in the photosystem I reaction centers in Chlamydomonas reinhardtii . Curr Genet 2, 215–221 (1980). https://doi.org/10.1007/BF00435689

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  • DOI: https://doi.org/10.1007/BF00435689

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