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Repair of heat injury by tradescantia albiflora leaf cells 2. repair of chloroplast ultrastructure and photosynthesis



Repair of heat injury by tradescantia albiflora leaf cells 2. repair of chloroplast ultrastructure and photosynthesis



Tsitologiya 23(5): 516-522



After a 5-min heating of attached leaves of T. albiflora Kunth, photosynthesis was strongly inhibited, but the chlorplast ultrastructure of parenchyma cells remained unchanged. In 24 h and 42 h after heating, ultrastructural disturbances were observed in most chloroplasts. At the same time, photosynthesis is restored. The percentage of chloroplasts with destroyed ultrastructure decreased drastically. At 72 and 120 h after heating, only single chloroplasts with advanced degradation were observed. Photosynthesis in heated leaves almost recovered completely 120 h after heating.

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Accession: 006312421

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