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・ Plastique (comics)
・ Plastique (disambiguation)
・ Plastique 33
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・ Plastique Nouveau
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・ Plastiras
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・ Plastoceridae
・ Plastochron
・ Plastocyanin
・ Plastocyanin family of copper-binding proteins
Plastoglobulin
・ Plastomer
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・ Plaston
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・ Plastoquinone
・ Plastovsky
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・ Plastro Irrigation Systems
・ Plastun
・ Plastun (urban-type settlement)
・ Plasy
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Plastoglobulin : ウィキペディア英語版
Plastoglobulin
Plastoglobulins is a family of proteins prominent found in lipid globules in plastids of flowering plants. It shows sequence similarities to the PAP/fibrillin family. PGL and similar proteins can be found in most algae, cyanobacteria and plants, but no other life forms; it suggests a role for PGL in oxygenic photosynthesis.
==Research==
A group from the University of Maryland conducted research whereby they inactivated the genes (''pgl1'' and ''pgl2'') encoding for plastoglobulin-like proteins in Synechocystis. The results show a decrease in the number of chlorophyll, as well as a lower photosystem I (PSI)/PSII ratio in the mutants. However, the concentration of carotenoid and myxoxanthophyll in each chlorophyll has increased. These mutants produced no observable change in growth rates under low light, but did grow slowing under moderate light. The concentration of the two PGL proteins (PGL1 and PGL2) in the wild-type increased under more intense light; this led to the conclusion that PGL plays a role in photo-oxidative damage repair.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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