Glutathione Status and Protein Synthesis during Drought and Subsequent Rehydration in Tortula ruralis
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Glutathione Status and Protein Synthesis during Drought and Subsequent Rehydration in Tortula ruralis.
Glutathione status and its relationship to protein synthesis during water deficit and subsequent rehydration have been examined in the drought-tolerant moss, Tortula ruralis. During slow drying there is a small decrease in total glutathione but the percentage of oxidized glutathione (GSSG) increases. During rapid drying there is little change in total glutathione but a small increase in GSSG. O...
متن کاملDrought Stress, Enzymes of Glutathione Metabolism, Oxidation Injury, and Protein Synthesis in Tortula ruralis.
The activities of glutathione reductase (EC 1.6.4.2), glutathione peroxidase (EC 1.11.1.9), and glutathione S-transferase (EC 2.5.1.18) were found to increase during slow drying or during rehydration following rapid drying of the drought-tolerant moss Tortula ruralis. Little change was observed in the activity of malate deydrogenase (NAD(+) oxidoreductase, EC 1.1.1.37) during dehydration or sub...
متن کاملPlant Desiccation and Protein Synthesis: II. On the Relationship between Endogenous Adenosine Triphosphate Levels and Protein-synthesizing Capacity.
Rehydration of Tortula ruralis in 2,4-dinitrophenol inhibits protein synthesis, polysome formation, and ATP production. Polysomes are conserved intact and are active in vitro in hydrated Tortula placed in this chemical, although in vivo protein synthesis is inhibited. Hydrated moss placed under nitrogen in the dark shows a reduced capacity for ATP and protein synthesis, but polysomes are conser...
متن کاملsynthesis of sulfides from alcohols and thiols in solvent-freeconditions and deoxygenation of sulfoxides
کاتالیست یک سنتز جدید برای تیواترها توصیف شده است. واکنش الکل ها با آریل، هتروآریل و آلکیل تیو ل ها درحضور 1،3،5- تری آزو- 2،4،6- تری فسفرین-2،2،4،4،6،6 هگزاکلراید ((tapc به عنوان یک کاتالیست موُثر، بازده های خوب تا عالی از تیواترها را حاصل می کند. علاوه براین، واکنش تحت شرایط بدون فلز و بدون حلال پیش می رود، بنابراین یک مکمل جالب برای روش های شناخته شده سنتز تیواترها ارائه می دهد. یک مکانیسم ا...
15 صفحه اولPolyribosomes Conserved during Desiccation of the Moss Tortula ruralis Are Active.
During desiccation of the moss Tortula ruralis (Hedw.) (Gaertn, Meyer and Scherb) polyribosomes are conserved. On rehydration, protein synthesis is rapidly resumed. In the presence of protein synthesis initiation inhibitors ribosome run-off from the conserved polyribosomes takes place, confirming that these retain their activity as intact structures during desiccation.
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1987
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.83.4.816