Sucrose to starch: a transition in molecular plant physiology

The major flux in potato tuber carbon metabolism is the conversion of sucrose through hexose phosphates to starch. The enzymes that mediate this pathway are well characterized, the genes that encode them have been cloned and transgenic plants have been generated. These transgenic studies have confir...

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Veröffentlicht in:Trends in Plant Science 2002, Vol.7 (1), p.35-41
Hauptverfasser: Fernie, Alisdair R., Willmitzer, Lothar, Trethewey, Richard N.
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Willmitzer, Lothar
Trethewey, Richard N.
description The major flux in potato tuber carbon metabolism is the conversion of sucrose through hexose phosphates to starch. The enzymes that mediate this pathway are well characterized, the genes that encode them have been cloned and transgenic plants have been generated. These transgenic studies have confirmed hypotheses based on more indirect methods, but they have also generated new challenges by highlighting the enormous flexibility and complexity inherent in plant metabolism. The investigation of the sucrose-to-starch transition in potato tubers is an excellent example of how the discipline of molecular plant physiology is evolving at both the scientific and technical levels. This article explores the sucrose-to-starch transition in potato and illustrates how the field of molecular plant physiology is evolving at both the scientific and technical level.
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subjects beta-Fructofuranosidase
Biological and medical sciences
Biological Transport
Carbon - metabolism
Cell Wall - metabolism
Cytosol - enzymology
Fundamental and applied biological sciences. Psychology
Glucosyltransferases - metabolism
glycolysis
Glycoside Hydrolases - metabolism
hexose
metabolic profiling
Metabolism
Mitochondria - enzymology
phosphates
Photosynthesis, respiration. Anabolism, catabolism
Plant Physiological Phenomena
Plant physiology and development
Plant Stems - genetics
Plant Stems - physiology
Plants, Genetically Modified
Plastids - enzymology
Plastids - metabolism
potato
Pyrophosphatases - metabolism
pyrophosphate
Solanum tuberosum - genetics
Solanum tuberosum - physiology
starch
Starch - biosynthesis
sucrose
Sucrose - metabolism
transgenic plant
tuber
title Sucrose to starch: a transition in molecular plant physiology
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