P700 Activity and Chlorophyll Content of Plants with Different Photosynthetic Carbon Dioxide Fixation Cycles
Open Access
- 1 June 1970
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 45 (6) , 738-741
- https://doi.org/10.1104/pp.45.6.738
Abstract
Representative plants containing either the reductive pentose phosphate cycle or the C4 dicarboxylic acid cycle of photosynthetic carbon dioxide fixation have distinctly different contents of P700 and chlorophylls a and b. With leaf extracts and isolated chloroplasts from C4 cycle plants, the mean value of the relative ratio of P700 to total chlorophyll was 1.83 and the mean value of the ratio of chlorophyll a to b was 3.89. The respective values in similar extracts and chloroplasts from pentose cycle plants are 1.2 and 2.78.Keywords
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