منابع مشابه
Protein prenylation in spinach chloroplasts.
Protein prenylation in plants was studied by in vivo metabolic (3)H-mevalonate labeling in combination with a range of protein synthesis inhibitors. In spinach cotyledons, this posttranslational protein modification was found to be divided into two categories, one representing the conventional prenylation involving farnesyl and geranylgeranyl groups bound to cysteine residues via thioether link...
متن کاملFerrochelatase of spinach chloroplasts.
Spinach chloroplasts catalyse the incorporation of Fe(2+) into protoporphyrin, mesoporphyrin and deuteroporphyrin to form the corresponding haems. This ferrochelatase activity was detected by pyridine haemochrome formation with acetone-dried powders of chloroplasts, or from the formation of [(59)Fe]haems by intact chloroplasts. Decreasing the mitochondrial contamination of the chloroplasts by d...
متن کاملFatty Acids of Spinach Chloroplasts.
The photosynthetic apparatus of higher plants consists of discrete cytoplasmic organelles, the chloroplasts, which contain proteins, lipids, pigments, water. and other substances. Relatively little is known, apparently, concerning the composition of the lipid fraction of the chloroplast. Menke (8), studying chloroplasts of spinach, Spiniacia oleracea, found that essentially all the lipids of th...
متن کاملThermoluminescence in spinach chloroplasts and in Chlorella.
SUMMARY Preilluminated spinach chloroplasts and Chlorella pyrenoidosa, when subjected to a quick temperature jump of about 15 °, emit light. This thermoluminescence is observed both in normal and 3(3,4-dichlorophenyl)-l,l.dimethylurea.treated samples, but is absent when hydroxylamine is added to either of these samples. These results are explained in terms of a oack reaction of System II of pho...
متن کاملLight-Dependent Ion Translocation in Spinach Chloroplasts.
The absorption of light by chloroplasts is the first step for several energy-requiring systems such as ATP synthesis and CO, fixation. Recently. it has been found that light can alter the structure and volume of the chloroplast (7, 15, 17, 26). Therefore the question was raised whether light could affect ion movements in isolated chloroplasts under conditions where structural changes occur. Thi...
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ژورنال
عنوان ژورنال: Annals of Botany
سال: 1981
ISSN: 1095-8290,0305-7364
DOI: 10.1093/oxfordjournals.aob.a086119