منابع مشابه
Sucrose metabolism in plastids.
The question whether sucrose (Suc) is present inside plastids has been long debated. Low Suc levels were reported to be present inside isolated chloroplasts, but these were argued to be artifacts of the isolation procedures used. We have introduced Suc-metabolizing enzymes in plastids and our experiments suggest substantial Suc entry into plastids. The enzyme levansucrase from Bacillus subtilis...
متن کاملSulfur Metabolism in Plastids
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متن کاملClinical aspects of sucrose and fructose metabolism.
The per capita consumption of sugars in the United States accounts for approximately 21% of total calorie intake. Most Americans eat and enjoy sugar-containing foods every day, but the use of sugars in the diabetic diet has traditionally been proscribed for fear of aggravating hyperglycemia. However, short-term and most longer-term studies demonstrate that dietary sucrose does not cause a great...
متن کاملSucrose Metabolism in Tubers of Potato (Solanum tuberosum L.): Effects of Sink Removal and Sucrose Flux on Sucrose-Degrading Enzymes.
Excision of developing potato (Solanum tuberosum L.) tubers from the mother plant, followed by storage at 10 degrees C, resulted in a rapid, substantial decrease in sucrose synthase activity and considerable increases in hexose content and acid invertase activity. A comparison of the response of three genotypes, known to accumulate different quantities of hexoses in storage, showed that both su...
متن کاملElimination of sucrose transport and hydrolysis in Saccharomyces cerevisiae: a platform strain for engineering sucrose metabolism
Many relevant options to improve efficacy and kinetics of sucrose metabolism in Saccharomyces cerevisiae and, thereby, the economics of sucrose-based processes remain to be investigated. An essential first step is to identify all native sucrose-hydrolysing enzymes and sucrose transporters in this yeast, including those that can be activated by suppressor mutations in sucrose-negative strains. A...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 2001
ISSN: 1532-2548,0032-0889
DOI: 10.1104/pp.125.2.926