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. 1977 May;59(5):873–878. doi: 10.1104/pp.59.5.873

Effects of Growth Temperature on the Thermal Stability of the Photosynthetic Apparatus of Atriplex lentiformis (Torr.) Wats. 1,2

Robert W Pearcy a, Joseph A Berry b, David C Fork b
PMCID: PMC543313  PMID: 16659959

Abstract

High growth temperatures induced a substantial increase in the thermal stability of the photosynthetic apparatus of Atriplex lentiformis. This was manifested as a much reduced inhibition of light-saturated photosynthesis and the initial slope of the light-dependence curves by exposure to high temperatures in high as compared to moderate temperature-grown plants. Heat treatment at 46 C of leaves from moderate temperature-grown plants resulted in a marked reduction in photosystem II activities of chloroplasts isolated from them. In contrast, heat treatment of leaves from high temperature-grown plants resulted in no reduction of photosystem II activities. In vivo estimates of photosystem II functioning, the 515 nm light-induced absorbance change, and the ratio initial to maximum fluorescence (F0/Fmax) indicated a similar increase in the thermal stability of photosystem II in high temperature-grown plants.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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