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Synonyms
gdp-mannose-3',5'-epimerase, gdp-mannose 3,5-epimerase, gdp-d-mannose 3,5-epimerase, gdp-d-mannose-3',5'-epimerase, gdp-mannose 3',5'-epimerase, gdp-d-mannose 3'',5''-epimerase, gdp-d-mannose 3',5'-epimerase,
more
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malfunction
-
silencing of the two GME genes in tomato leaves results in approximately a 60% decrease in terminal L-galactose content in the side chain A of rhamnogalacturonan II as well as in a lower capacity of rhamnogalacturonan II to perform in muro cross-linking
metabolism
-
GME is a central enzyme of the major ascorbate biosynthesis pathway in higher plants, it play a key role in the regulation of ascorbate biosynthesis in plants, adjusting the balance between ascorbate and cell-wall monosaccharide biosynthesis. GDP-D-mannose synthesis is the initial step in the pathway of ascorbate biosynthesis, and GDP-D-mannose is also a known precursor for the synthesis of D-mannose, L-fucose and L-galactose, and therefore for hemicelluloses such s the (galacto)glucomannans and for the pectin rhamnogalacturonan II
metabolism
GDP-D-mannose 3',5'-epimerase catalyses a committed step in ascorbic acid biosynthesis
metabolism
GDP-D-mannose 3',5'-epimerase catalyses a committed step in ascorbic acid biosynthesis
metabolism
-
the enzyme is involved in the l-galactose pathway
metabolism
the enzyme is involved in the l-galactose pathway
physiological function
transgenic plants over-expressing isoform GME1 exhibit a significant increase in total ascorbic acid in leaves and red fruits compared with wild type plants and improved tolerance to methyl viologen, cold, and salt stresses
physiological function
transgenic plants over-expressing isoform GME2 exhibit a significant increase in total ascorbic acid in leaves and red fruits compared with wild type plants and improved tolerance to methyl viologen, cold, and salt stresses
physiological function
GDP-D-mannose 3',5'-epimerase catalyses a committed step in ascorbic acid biosynthesis, ascorbic acid plays important roles in antioxidative defenses against environmental stresses in higher plants
physiological function
GDP-D-mannose 3',5'-epimerase catalyses a committed step in ascorbic acid biosynthesis, ascorbic acid plays important roles in antioxidative defenses against environmental stresses in higher plants
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GME_ARATH
377
0
42758
Swiss-Prot
other Location (Reliability: 2)
GME1_ORYSI
378
0
42808
Swiss-Prot
other Location (Reliability: 2)
GME1_ORYSJ
378
0
42778
Swiss-Prot
other Location (Reliability: 2)
GME2_ORYSJ
371
0
42132
Swiss-Prot
other Location (Reliability: 2)
A0A445LGN0_GLYSO
331
0
37613
TrEMBL
other Location (Reliability: 2)
W6KA03_MAGSQ
Magnetospira sp. (strain QH-2)
333
0
37374
TrEMBL
-
A1Y2Z3_VITVI
106
0
11967
TrEMBL
other Location (Reliability: 2)
A0A445F931_GLYSO
376
0
42481
TrEMBL
other Location (Reliability: 2)
A0A0B2SLQ7_GLYSO
116
1
12948
TrEMBL
other Location (Reliability: 4)
A0A2N9N918_9BACT
334
0
37904
TrEMBL
-
C6K2K9_SOLLC
376
0
42456
TrEMBL
other Location (Reliability: 2)
F8L5C9_SIMNZ
Simkania negevensis (strain ATCC VR-1471 / Z)
332
0
37690
TrEMBL
-
M2XU23_GALSU
356
0
40564
TrEMBL
other Location (Reliability: 3)
A0A7C9DWT6_OPUST
377
0
42767
TrEMBL
other Location (Reliability: 2)
A0A445INC7_GLYSO
376
0
42580
TrEMBL
other Location (Reliability: 2)
A0A0D2MXR7_9CHLO
399
0
44958
TrEMBL
other Location (Reliability: 3)
C6K2L1_SOLPN
376
0
42490
TrEMBL
other Location (Reliability: 2)
B6ZL92_PRUPE
376
0
42584
TrEMBL
other Location (Reliability: 2)
A0A072VLZ2_MEDTR
380
0
42820
TrEMBL
other Location (Reliability: 2)
B9SZ78_RICCO
376
0
42507
TrEMBL
other Location (Reliability: 2)
A0A5B7B928_DAVIN
104
0
11567
TrEMBL
other Location (Reliability: 3)
A0A1D8QQD2_GRALE
397
0
44254
TrEMBL
other Location (Reliability: 3)
A0A445FL27_GLYSO
376
0
42568
TrEMBL
other Location (Reliability: 3)
G8P152_GRAMM
Granulicella mallensis (strain ATCC BAA-1857 / DSM 23137 / MP5ACTX8)
330
0
36475
TrEMBL
-
A0A2G9GYJ7_9LAMI
376
0
42410
TrEMBL
other Location (Reliability: 2)
A0A2G9G011_9LAMI
376
0
42511
TrEMBL
other Location (Reliability: 2)
I0K0X9_METFB
Methylacidiphilum fumariolicum (strain SolV)
325
0
36976
TrEMBL
-
A0A0D6EW04_9PROT
325
0
36737
TrEMBL
-
E6Q515_9ZZZZ
442
1
48958
TrEMBL
Mitochondrion (Reliability: 3)
A0A7U7B2V8_9PROT
335
1
37394
TrEMBL
-
A0A5B7C9W8_DAVIN
366
0
41474
TrEMBL
other Location (Reliability: 2)
A0A0B2RAA1_GLYSO
356
0
40058
TrEMBL
other Location (Reliability: 2)
A0A1Z5JTK3_FISSO
362
0
40432
TrEMBL
other Location (Reliability: 1)
A0A2P6QPY3_ROSCH
372
0
42115
TrEMBL
other Location (Reliability: 4)
C7CKH0_METED
Methylorubrum extorquens (strain DSM 6343 / CIP 106787 / DM4)
315
0
35125
TrEMBL
-
A0A7C9E1G6_OPUST
109
0
12042
TrEMBL
other Location (Reliability: 3)
A0A5B6ZH56_DAVIN
376
0
42265
TrEMBL
other Location (Reliability: 3)
H8FSQ1_MAGML
340
1
37522
TrEMBL
-
A0A2P6R5Y3_ROSCH
376
0
42357
TrEMBL
other Location (Reliability: 2)
H0TGK8_9BRAD
332
0
36576
TrEMBL
-
A0A5B7CAT3_DAVIN
376
0
42459
TrEMBL
other Location (Reliability: 2)
A0A445FL71_GLYSO
280
0
32114
TrEMBL
other Location (Reliability: 3)
A0A5E6MFU3_9BACT
328
0
36789
TrEMBL
-
B8KYL4_9GAMM
336
0
37219
TrEMBL
-
C5AQ90_METEA
Methylorubrum extorquens (strain ATCC 14718 / DSM 1338 / JCM 2805 / NCIMB 9133 / AM1)
315
0
35125
TrEMBL
-
A0A0B2RGZ9_GLYSO
99
0
11358
TrEMBL
other Location (Reliability: 2)
A0A445F8Y3_GLYSO
329
0
37259
TrEMBL
other Location (Reliability: 2)
A0A2I0BAW9_9ASPA
378
0
42701
TrEMBL
other Location (Reliability: 3)
A0A2U3KM14_9BACT
341
1
38734
TrEMBL
-
A0A445FL83_GLYSO
330
0
37575
TrEMBL
other Location (Reliability: 3)
D3JYW9_ACTDE
376
0
42505
TrEMBL
other Location (Reliability: 2)
H1KST6_METEX
333
0
36764
TrEMBL
-
A0A7C8ZX74_OPUST
377
0
42715
TrEMBL
other Location (Reliability: 2)
A0A5B6ZIZ4_DAVIN
342
0
38771
TrEMBL
other Location (Reliability: 2)
A0A7C9DWR9_OPUST
377
0
42707
TrEMBL
other Location (Reliability: 2)
A0A072UFI2_MEDTR
377
0
42543
TrEMBL
other Location (Reliability: 2)
M1WR17_PSEP2
Pseudodesulfovibrio piezophilus (strain DSM 21447 / JCM 15486 / C1TLV30)
324
0
36020
TrEMBL
-
A0A5B6ZFH6_DAVIN
376
0
42450
TrEMBL
other Location (Reliability: 2)
A0A1Z5KPK9_FISSO
362
0
40493
TrEMBL
other Location (Reliability: 1)
C6K2L0_SOLLC
376
0
42548
TrEMBL
other Location (Reliability: 2)
A0A1S1P616_METEX
333
0
36764
TrEMBL
-
A0A5E6MPB3_9BACT
328
0
36525
TrEMBL
-
E9M5S1_CITUN
375
0
42300
TrEMBL
-
G1ETS7_9ERIC
376
0
42504
TrEMBL
-
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Barber, G.A.; Hebda, P.A.
GDP-D-mannose:GDP-L-galactose epimerase from Chlorella pyrenoidosa
Methods Enzymol.
83
522-525
1982
Auxenochlorella pyrenoidosa
brenda
Goudsmit, E.M.; Neufeld, E.F.
Formation of GDP-L-galactose from GDP-D-mannose
Biochem. Biophys. Res. Commun.
26
730-735
1967
Helix pomatia
brenda
Hebda, P.A.; Behrman, E.J.; Barber, G.A.
The guanosine 5'-diphosphate D-mannose:guanosine 5'-diphosphate L-galactose epimerase of Chlorella pyrenoidosa
Arch. Biochem. Biophys.
194
496-502
1979
Auxenochlorella pyrenoidosa
brenda
Barber, G.A.
Observations on the mechanism of the reversible epimerization of GDP-D-mannose to GDP-L-galactose by an enzyme from Chlorella pyrenoidosa
J. Biol. Chem.
254
7600-7603
1979
Auxenochlorella pyrenoidosa
brenda
Wolucka, B.A.; Davey, M.W.; Boerjan, W.
A high-performance liquid chromatography radio method for determination of L-ascorbic acid and guanosine 5'-diphosphate-L-galactose, key metabolites of the plant vitamin C pathway
Anal. Biochem.
294
161-168
2001
Arabidopsis thaliana
brenda
Wolucka, B.A.; Van Montagu, M.
GDP-mannose 3',5'-epimerase forms GDP-L-gulose, a putative intermediate for the de novo biosynthesis of vitamin C in plants
J. Biol. Chem.
278
47483-47490
2003
Arabidopsis thaliana
brenda
Wolucka, B.A.; Persiau, G.; Van Doorsselaere, J.; Davey, M.W.; Demol, H.; Vandekerckhove, J.; Van Montagu, M.; Zabeau, M.; Boerjan, W.
Partial purification and identification of GDP-mannose 3",5"-epimerase of Arabidopsis thaliana, a key enzyme of the plant vitamin C pathway
Proc. Natl. Acad. Sci. USA
98
14843-14848
2001
Arabidopsis thaliana (Q93VR3), Arabidopsis thaliana
brenda
Major, L.L.; Wolucka, B.A.; Naismith, J.H.
Structure and function of GDP-mannose-3',5'-epimerase: an enzyme which performs three chemical reactions at the same active site
J. Am. Chem. Soc.
127
18309-18320
2005
Arabidopsis thaliana
brenda
Wolucka, B.A.; Goossens, A.; Inze, D.
Methyl jasmonate stimulates the de novo biosynthesis of vitamin C in plant cell suspensions
J. Exp. Bot.
56
527-2538
2005
Nicotiana tabacum
-
brenda
Watanabe, K.; Suzuki, K.; Kitamura, S.
Characterization of a GDP-d-mannose 3'',5''-epimerase from rice
Phytochemistry
67
338-346
2006
Oryza sativa (A3C4S4), Oryza sativa
brenda
Gilbert, L.; Alhagdow, M.; Nunes-Nesi, A.; Quemener, B.; Guillon, F.; Bouchet, B.; Faurobert, M.; Gouble, B.; Page, D.; Garcia, V.; Petit, J.; Stevens, R.; Causse, M.; Fernie, A.R.; Lahaye, M.; Rothan, C.; Baldet, P.
GDP-D-mannose 3,5-epimerase (GME) plays a key role at the intersection of ascorbate and non-cellulosic cell-wall biosynthesis in tomato
Plant J.
60
499-508
2009
Solanum lycopersicum
brenda
Voxeur, A.; Gilbert, L.; Rihouey, C.; Driouich, A.; Rothan, C.; Baldet, P.; Lerouge, P.
Silencing of the GDP-D-mannose 3,5-epimerase affects the structure and cross-linking of the pectic polysaccharide rhamnogalacturonan II and plant growth in tomato
J. Biol. Chem.
286
8014-8020
2011
Solanum lycopersicum
brenda
Zhang, C.; Liu, J.; Zhang, Y.; Cai, X.; Gong, P.; Zhang, J.; Wang, T.; Li, H.; Ye, Z.
Overexpression of SlGMEs leads to ascorbate accumulation with enhanced oxidative stress, cold, and salt tolerance in tomato
Plant Cell Rep.
30
389-398
2011
Solanum lycopersicum (C6K2K9), Solanum lycopersicum (C6K2L0), Solanum lycopersicum
brenda
Yang, X.Y.; Xie, J.X.; Wang, F.F.; Zhong, J.; Liu, Y.Z.; Li, G.H.; Peng, S.A.
Comparison of ascorbate metabolism in fruits of two citrus species with obvious difference in ascorbate content in pulp
J. Plant Physiol.
168
2196-2205
2011
Citrus sinensis, Citrus unshiu (E9M5S1), Citrus unshiu
brenda
Li, J.; Cui, M.; Li, M.; Wang, X.; Liang, D.; Ma, F.
Expression pattern and promoter analysis of the gene encoding GDP-D-mannose 3',5'-epimerase under abiotic stresses and applications of hormones by kiwifruit
Sci. Hortic.
150
187-194
2013
Actinidia deliciosa (D3JYW9), Actinidia rufa (G1ETS7)
-
brenda
Chen, Y.; Bu, J.; Zhao, Z.; Zhao, J.; Liu, M.
Cloning and expression analysis of GDP-mannose-3,5-epimerase (ZjGME) from Ziziphus jujuba Mill
Acta Hortic.
1116
49-53
2016
Ziziphus jujuba
-
brenda