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J Integr Plant Biol, 1995, 37 (12): -, Research Article
Effects of Water Stress on Chlorophyll-Protein Complexes in Wheat Chloroplasts
Lu Cong-ming, Tang Chong-qin, Zhang Qi-de and Kuang Ting-yun
doi:
Abstract
The excitation energy transfer from light harvesting chlorophyll protein complexes to PS Ⅱ was inhibited under water stress. The contents of iriternal antennae chlorophyll-protein complexes of PS Ⅱ (CPa), light harvesting chlorophyll-protein complexes of PS Ⅱ (LHC Ⅱ ), light harvesting chlorophyll-protein of PS Ⅰ (LHC Ⅰ ) and chlorophyll a protein complex of reaction center of PS Ⅰ were decreased by water stress. The decrease of chlorophyll-protein complexes of PS Ⅱ was greater than that of PS Ⅰ . It was indicated that the amount of 25 kD polypeptide of LHC Ⅱ in particular, as well as that of 43 and 47 kD polypeptides of CPa, and 21 kD polypeptide of LHC Ⅰ , were reduced by water stress.
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