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- Crafts-Brandner, S.J.; Salvucci, M.E.
- Proceedings of the National Academy of Sciences of the United States of America 2000 v.97 no.24 pp. 13430-13435
- Gossypium hirsutum; Nicotiana rustica; ribulose-bisphosphate carboxylase; enzyme activity; adenosinetriphosphatase; photosynthesis; net assimilation rate; carbon dioxide; air temperature; ambient temperature; heat stress; gas exchange; temperature
- ... Net photosynthesis (Pn) is inhibited by moderate heat stress. To elucidate the mechanism of inhibition, we examined the effects of temperature on gas exchange and ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco) activation in cotton and tobacco leaves and compared the responses to those of the isolated enzymes. Depending on the CO2 concentration, Pn decreased when temperatures exceeded 35 ...
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