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1-kestose + 1-kestose
D-sucrose + 1G-kestotetraose + 6G-kestotetraose
6G-FFT activity
-
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
1-kestose + sucrose
1,1-kestotetraose + 1,6-kestotetraose
1-kestose + sucrose
1,1-kestotetraose + 1G-kestotetraose + 6G-kestotetraose
-
-
prolonged incubation produces a complex fructan series with a higher degree of polymerization
-
?
1-kestose + sucrose
6G,6-kestotetraose
1-kestose + sucrose
D-sucrose + neokestose
6G-FFT activity
-
-
?
1-kestotriose + sucrose
6G-kestotetraose + 1G-kestotetraose
-
-
-
-
?
1F(1-beta-D-fructofuranosyl)2 sucrose + sucrose
1F,6G-di-beta-D-fructofuranosylsucrose + ?
-
i.e. nystose
-
-
?
1F(1-beta-D-fructofuranosyl)3 sucrose + sucrose
1F,6G-di-beta-D-fructofuranosylsucrose + ?
1F(1-beta-D-fructofuranosyl)sucrose + sucrose
1F,6G-di-beta-D-fructofuranosylsucrose + ?
-
i.e. 1-kestose
-
-
?
1F,6G-di-beta-D-fructofuranosylsucrose + sucrose
1-kestose + 1-kestose
-
-
reverse reaction
-
r
4 1-kestose
sucrose + 1G-kestotetraose + 6G-kestotetraose + H2O
-
-
-
?
neokestose + sucrose
1-kestose + ?
-
-
reverse reaction, slow
-
r
neokestose + sucrose
1F,6G-di-beta-D-fructofuranosylsucrose + ?
-
-
-
-
?
nystose + 1-kestose
?
-
-
-
?
sucrose + sucrose
1-kestotriose + ?
-
-
-
?
sucrose + sucrose
1F,6G-di-beta-D-fructofuranosylsucrose + ?
-
-
-
-
?
additional information
?
-
1-kestose
?
-
-
-
-
?
1-kestose + 1-kestose
?
-
-
-
-
?
1-kestose + 1-kestose
?
-
-
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
-
-
plus a 4c tetrasaccharide moiety
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
-
-
plus a 4c tetrasaccharide moiety
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
-
-
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
-
plus fructans of the inulin neoseries with a degree of polymerization up to six
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
-
-
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
-
-
-
-
?
1-kestose + 3 sucrose
3 neokestose + H2O
-
-
-
?
1-kestose + sucrose
1,1-kestotetraose + 1,6-kestotetraose
-
neither this fructan nor the subsequent mixed series is found in vivo in the tissues of Lolium perenne
-
?
1-kestose + sucrose
1,1-kestotetraose + 1,6-kestotetraose
-
neither this fructan nor the subsequent mixed series is found in vivo in the tissues of Lolium perenne
-
?
1-kestose + sucrose
6G,6-kestotetraose
-
-
-
?
1-kestose + sucrose
6G,6-kestotetraose
-
-
-
?
1F(1-beta-D-fructofuranosyl)3 sucrose + sucrose
1F,6G-di-beta-D-fructofuranosylsucrose + ?
-
i.e. fructosyl nystose
-
-
?
1F(1-beta-D-fructofuranosyl)3 sucrose + sucrose
1F,6G-di-beta-D-fructofuranosylsucrose + ?
-
-
-
?
sucrose
neokestose
-
-
-
-
?
sucrose
neokestose
-
-
-
-
?
additional information
?
-
-
the Atq6GFFT-1 consensus sequence is DPCG, Atq6GFFT-1 and Atq6G-1FFT-2 utilize primarily 1-kestose as a substrate, a Asn/Trp couple is involved in substrate recognition
-
-
?
additional information
?
-
-
the Atq6GFFT-1 consensus sequence is DPCG, Atq6GFFT-1 and Atq6G-1FFT-2 utilize primarily 1-kestose as a substrate, a Asn/Trp couple is involved in substrate recognition
-
-
?
additional information
?
-
-
plays an important role in the synthesis of inulin and inulinneo-series fructo-oligosaccharides
-
-
?
additional information
?
-
main products are inulin neoseries fructan, such as 1F,6G-di-beta-D-fructofuranosylsucrose and neokestose
-
-
?
additional information
?
-
the enzyme possesses both fructan:fructan 6G-fructosyltransferase and fructan:fructan 1-fructosyltransferase activities
-
-
?
additional information
?
-
-
the enzyme possesses both fructan:fructan 6G-fructosyltransferase and fructan:fructan 1-fructosyltransferase activities
-
-
?
additional information
?
-
Lolium perenne plants produce a majority of levan neoseries built on the 6G-kestotriose backbone, incubation with both sucrose and 6G-kestotriose allow the synthesis of 6G,6-kestotetraose
-
-
?
additional information
?
-
-
Lolium perenne plants produce a majority of levan neoseries built on the 6G-kestotriose backbone, incubation with both sucrose and 6G-kestotriose allow the synthesis of 6G,6-kestotetraose
-
-
?
additional information
?
-
both 1-kestotriose and 6G-kestotriose acts as fructosyl acceptors, producing 1- and 6-kestotetraose (bifurcose) and 6G,6-kestotetraose, respectively. 1-Kestotriose is not a fructosyl donor since incubation with 1-kestotriose alone does not lead to the synthesis of a 6-linked fructan. Bifurcose formation ceases and 6G,6-kestotetraose is formed instead, when recombinant fructan:fructan 6G-fructosyltransferase, 6G-FFT, is introduced in the enzyme assay with sucrose and 1-kestotriose as substrates
-
-
?
additional information
?
-
-
both 1-kestotriose and 6G-kestotriose acts as fructosyl acceptors, producing 1- and 6-kestotetraose (bifurcose) and 6G,6-kestotetraose, respectively. 1-Kestotriose is not a fructosyl donor since incubation with 1-kestotriose alone does not lead to the synthesis of a 6-linked fructan. Bifurcose formation ceases and 6G,6-kestotetraose is formed instead, when recombinant fructan:fructan 6G-fructosyltransferase, 6G-FFT, is introduced in the enzyme assay with sucrose and 1-kestotriose as substrates
-
-
?
additional information
?
-
Lolium perenne plants produce a majority of levan neoseries built on the 6G-kestotriose backbone, incubation with both sucrose and 6G-kestotriose allow the synthesis of 6G,6-kestotetraose
-
-
?
additional information
?
-
both 1-kestotriose and 6G-kestotriose acts as fructosyl acceptors, producing 1- and 6-kestotetraose (bifurcose) and 6G,6-kestotetraose, respectively. 1-Kestotriose is not a fructosyl donor since incubation with 1-kestotriose alone does not lead to the synthesis of a 6-linked fructan. Bifurcose formation ceases and 6G,6-kestotetraose is formed instead, when recombinant fructan:fructan 6G-fructosyltransferase, 6G-FFT, is introduced in the enzyme assay with sucrose and 1-kestotriose as substrates
-
-
?
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
-
-
?
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Benkeblia, N.; Onodera, S.; Shiomi, N.
Effect of temperature and storage time on fructosyltransferase activities (1-FFT and 6G-FFT) in onion bulb tissues
Acta Agric. Scand. Sect. B
53
211-214
2003
Allium cepa
-
brenda
Fujishima, M.; Sakai, H.; Ueno, K.; Takahashi, N.; Onodera, S.; Benkeblia, N.; Shiomi, N.
Purification and characterization of a fructosyltransferase from onion bulbs and its key role in the synthesis of fructo-oligosaccharides in vivo
New Phytol.
165
513-524
2005
Allium cepa
brenda
Shiomi, N.
Reverse reactions of fructosyl transfer catalyzed by asparagus 6G-fructosyltransferase
Carbohydr. Res.
106
166-169
1982
Asparagus officinalis
-
brenda
Shiomi, N.
Purification and characterization of 6G-fructosyltransferase from the roots of asparagus (Asparagus officinalis L.)
Carbohydr. Res.
96
281-292
1981
Asparagus officinalis
-
brenda
Benkeblia, N.; Ueno, K.; Onodera, S.; Shiomi, N.
Variation of fructooligosaccharides and their metabolizing enzymes in onion bulb (Allium cepa L. cv. Tenshin) during long-term storage
J. Food Sci.
70
S208-S214
2005
Allium cepa
brenda
Ritsema, T.; Joling, J.; Smeekens, S.
Patterns of fructan synthesized by onion fructan:fructan 6G-fructosyltransferase expressed in tobacco BY2 cells. Is fructan:fructan 1-fructosyltransferase needed in onion?
New Phytol.
160
61-67
2003
Allium cepa
brenda
Ueno, K.; Onodera, S.; Kawakami, A.; Yoshida, M.; Shiomi, N.
Molecular characterization and expression of a cDNA encoding fructan:fructan 6G-fructosyltransferase from asparagus (Asparagus officinalis)
New Phytol.
165
813-824
2005
Asparagus officinalis (Q5FC15)
brenda
Vijn, I.; van Dijken, A.; Sprenger, N.; van Dun, K.; Weisbeek, P.; Wiemken, A.; Smeekens, S.
Fructan of the inulin neoseries is synthesized in transgenic chicory plants (Cichorium intybus L.) harbouring onion (Allium cepa L.) fructan:fructan 6G-fructosyltransferase
Plant J.
11
387-398
1997
Allium cepa (P92916), Allium cepa
brenda
Ritsema, T.; Verhaar, A.; Vijin, I.; Smeekens, S.
Fructosyltransferase mutants specify a function for the beta-fructosidase motif of the sucrose-binding box in specifying the fructan type synthesized
Plant Mol. Biol.
54
853-863
2004
Allium cepa (P92916), Allium cepa
brenda
Ritsema, T.; Verhaar, A.; Vijn, I.; Smeekens, S.
Using natural variation to investigate the function of individual amino acids in the sucrose-binding box of fructan:fructan 6G-fructosyltransferase (6G-FFT) in product formation
Plant Mol. Biol.
58
597-607
2005
Allium cepa (P92916), Allium cepa
brenda
Lasseur, B.; Lothier, J.; Djoumad, A.; De Coninck, B.; Smeekens, S.; Van Laere, A.; Morvan-Bertrand, A.; Van den Ende, W.; Prudhomme, M.P.
Molecular and functional characterization of a cDNA encoding fructan:fructan 6G-fructosyltransferase (6G-FFT)/fructan:fructan 1-fructosyltransferase (1-FFT) from perennial ryegrass (Lolium perenne L.)
J. Exp. Bot.
57
2719-2734
2006
Lolium perenne (Q8S337), Lolium perenne
brenda
Lasseur, B.; Lothier, J.; Morvan-Bertrand, A.; Escobar-Guttierez, A.; Humphreys, M.O.; Prudhomme, M.
Impact of defoliation frequency on regrowth and carbohydrate metabolism in contrasting varieties of Lolium perenne
Funct. Plant Biol.
34
418-430
2007
Lolium perenne (Q05G13)
brenda
Shiomi, N.; Benkeblia, N.; Onodera, S.; Omori, T.; Takahashi, N.; Fujishima, M.; Yoshihira, T.; Kosaka, S.
Saccharide and fructooligosaccharide contents, and invertase, 1-KHE, 1-SST, 1-FET and 6G-FFT activities in green asparagus spears during storage: effects of temperature and spear portion
J. Appl. Glycosci.
54
187-194
2007
Asparagus officinalis (Q5FC15)
-
brenda
Gadegaard, G.; Didion, T.; Folling, M.; Storgaard, M.; Andersen, C.H.; Nielsen, K.K.
Improved fructan accumulation in perennial ryegrass transformed with the onion fructosyltransferase genes 1-SST and 6G-FFT
J. Plant Physiol.
165
1214-1225
2008
Allium cepa (P92916), Allium cepa
brenda
Hisano, H.; Kanazawa, A.; Yoshida, M.; Humphreys, M.O.; Iizuka, M.; Kitamura, K.; Yamada, T.
Coordinated expression of functionally diverse fructosyltransferase genes is associated with fructan accumulation in response to low temperature in perennial ryegrass
New Phytol.
178
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2008
Lolium perenne (Q8S337), Lolium perenne
brenda
Lasseur, B.; Schroeven, L.; Lammens, W.; Le Roy, K.; Spangenberg, G.; Manduzio, H.; Vergauwen, R.; Lothier, J.; Prudhomme, M.P.; Van den Ende, W.
Transforming a fructan:fructan 6G-fructosyltransferase from perennial ryegrass into a sucrose:sucrose 1-fructosyltransferase
Plant Physiol.
149
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2009
Lolium perenne (Q8S337), Lolium perenne
brenda
Benkeblia, N.; Shiomi, N.
Variation of fructooligosaccharide contents, invertase, 1-KHE, 1-SST, 1-FFT and 6G-FFT activities in green Asparagus spears stored at 10C
Acta Hortic.
877
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2010
Asparagus officinalis
-
brenda
Lasseur, B.; Lothier, J.; Wiemken, A.; Van Laere, A.; Morvan-Bertrand, A.; Ende, W.V.; Prudhomme, M.P.
Towards a better understanding of the generation of fructan structure diversity in plants: molecular and functional characterization of a sucrose:fructan 6-fructosyltransferase (6-SFT) cDNA from perennial ryegrass (Lolium perenne)
J. Exp. Bot.
62
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2011
Lolium perenne (Q8S337), Lolium perenne, Lolium perenne Bravo (Q8S337)
brenda
Cortes-Romero, C.; Martinez-Hernandez, A.; Mellado-Mojica, E.; Lopez, M.G.; Simpson, J.
Molecular and functional characterization of novel fructosyltransferases and invertases from Agave tequilana
PLoS ONE
7
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2012
Agave tequilana, Agave tequilana azul
brenda
Garcia-Perez, M.; Lopez, M.
Factors affecting fructosyltransferases and fructan exohydrolase activities in Agave tequilana Weber var. azul
J. Plant Biochem. Biotechnol.
25
147-154
2016
Agave tequilana
-
brenda
Rasmussen, S.; Parsons, A.J.; Xue, H.; Liu, Q.; Jones, C.S.; Ryan, G.D.; Newman, J.A.
Transcript profiling of fructan biosynthetic pathway genes reveals association of a specific fructosyltransferase isoform with the high sugar trait in Lolium perenne
J. Plant Physiol.
171
475-485
2014
Lolium perenne (B0I1Q7), Lolium perenne (Q6F4N3), Lolium perenne
brenda
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
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54
2047-2057
2013
Triticum aestivum
brenda
Suarez-Gonzalez, E.; Suarez, P.; Cruz-Rubio, J.; Martinez-Gallardo, N.; Hernandez, I.; Delano-Frier, J.; Gomez-Leyva, J.
Differential fructan accumulation and expression of fructan biosynthesis, invertase and defense genes is induced in Agave tequilana plantlets by sucrose or stress-related elicitors
Agri Gene
2
17-28
2016
Agave tequilana
-
brenda