biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 43:433-435, 2000 | DOI: 10.1023/A:1026775202073

Effects of High Temperature Exposure of Spinach Intact Plants and Isolated Thylakoids on Light-Harvesting Complex 2 Protein Phosphorylation

M. Satpathy1, P. Mohanty1,*
1 School of Life Sciences, Jawaharlal Nehru University, New Delhi-, India

After a 6 min exposure of isolated thylakoids to 43 °C, the extent of phosphorylation of light-harvesting complex of photosystem 2 (LHC2) was higher than in control thylakoids kept at 25 °C. Similarly, the exposure of intact spinach plants to 43 °C in dark for 11 h induced higher extent of thylakoid LHC2 phosphorylation than in control plants kept at 25 °C. The induced ability of LHC2 for enhanced phosphorylation may enable better energy distribution in favour of photosystem 1.

Keywords: photosystem 2; Spinacia oleracea
Subjects: light-harvesting complex 2, high temperature; photosystem 2, high temperature; protein phosphorylation, photosystem 2; spinach, light-harvesting complex 2, high temperature; Spinacia oleracea; temperature, high, light-harvesting complex 2; thylakoids, isolated, high temperature

Published: September 1, 2000  Show citation

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Satpathy, M., & Mohanty, P. (2000). Effects of High Temperature Exposure of Spinach Intact Plants and Isolated Thylakoids on Light-Harvesting Complex 2 Protein Phosphorylation. Biologia plantarum, 43(3), 433-435. doi: 10.1023/A:1026775202073
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