Abstract

Lamellarproteins of chloroplasts derived from green and chlorotic leaves were extracted with sodium dodecyl sulfate and separated on polyacrylamid gels after removing soluble proteins. With regard to the protein patterns of green chloroplasts of 5 different plant species no considerable differences could be found. In comparison, green and chlorotic chloroplasts of the same species as well as chlorotic chloroplasts of different species are characterized by remarkable differences. The pattern of chloroplast lamellar proteins of a chlorophyll mutant was "normalized" by activating iron metabolism and as its results chlorophyll synthesis. From the results obtained it is concluded that deviations in the chemical nature of chloroplast lamellae can be conditioned by a defect in the synthesis of specific proteins as well as by the absence of chlorophyll.

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