Abstract
From a survey of 104 herbaceous species from the Madurai Kamaraj University Campus collected for isolating intact mesophyll protoplasts 36 species belonging to C3, C4 and CAM photosynthetic pathways were found to yield between 15–85% of protoplasts. Species which easily yielded intact mesophyll cells by mild mechanical grinding were not amenable for protoplast isolation. The protoplasts of CAM species were the largest and those of C4 were the smallest in size. The isolated mesophyll protoplasts were photosynthetically active in terms of CO2 fixation and O2 evolution. Potassium ferricyanide was ineffective as Hill oxidant while dichlorophenolindophenol induced high Hill activity with the isolated protoplasts. The protoplasts maintained their photosynthetic stability up to 12 hr after isolation.
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Chellappan, K.P., Gnanam, A. Isolation of intact mesophyll protoplasts from the leaves of higher plants for photosynthetic studies. Proc. Indian Acad. Sci. 89, 79–90 (1980). https://doi.org/10.1007/BF03046152
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DOI: https://doi.org/10.1007/BF03046152