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Literature summary for 2.4.1.243 extracted from

  • Verspreet, J.; Cimini, S.; Vergauwen, R.; Dornez, E.; Locato, V.; Le Roy, K.; De Gara, L.; Van den Ende, W.; Delcour, J.A.; Courtin, C.M.
    Fructan metabolism in developing wheat (Triticum aestivum L.) kernels (2013), Plant Cell Physiol., 54, 2047-2057.
    View publication on PubMed
Search for more literature for 2.4.1.243

Organism

Organism UniProt Comment Textmining
Triticum aestivum
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Triticum aestivum
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 var. Homeros
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Source Tissue

Source Tissue Comment Organism Textmining
kernel
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 Triticum aestivum
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kernel developing from anthesis until maturity. 1+6G-Kestotetraose is formed at 5 days after anthesis with both sucrose and 1-kestotriose as substrate and also with sucrose as a single substrate Triticum aestivum
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-kestotriose + sucrose
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 Triticum aestivum 6G-kestotetraose + 1G-kestotetraose
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 ?
additional information 6G-kestotriose is formed by enzyme 6G-FFT, transferring fructose from 1-kestotriose to sucrose, while the 6G-kestotriose levels formed in the assays with added 1-kestotriose and sucrose are rather small. Rapid chain elongation of 6G-kestotriose into 1+6G-kestotetraose and possibly other higher degree of polymerization fructans Triticum aestivum ?
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 ?

Synonyms

Synonyms Comment Organism
6G-FFT
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 Triticum aestivum

General Information

General Information Comment Organism
physiological function fructan accumulation occurs mainly in the first 2 weeks after anthesis, and a maximal fructan concentration of 2.5 mg fructan per kernel is reached at 16 days after anthesis. Fructan synthesis is catalyzed by 1-SST (sucrose:sucrose 1-fructosyltransferase) and 6-SFT (sucrose:fructan 6-fructosyltransferase), and to a lesser extent by 1-FFT (fructan:fructan 1-fructosyltransferase). Despite the presence of 6G-kestotriose in wheat kernel extracts, the measured 6G-FFT (fructan:fructan 6G-fructosyltransferase) activity levels are low Triticum aestivum