EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
1.1.1.195 | cinnamyl-alcohol dehydrogenase |
phloem |
- |
741181, 741217 |
1.1.1.236 | tropinone reductase II |
phloem |
- |
670636 |
1.1.1.25 | shikimate dehydrogenase (NADP+) |
phloem |
- |
-, 740724 |
1.1.1.255 | mannitol dehydrogenase |
phloem |
- |
286405 |
1.1.1.284 | S-(hydroxymethyl)glutathione dehydrogenase |
phloem |
- |
762617 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
phloem |
- |
686932 |
1.1.3.9 | galactose oxidase |
phloem |
- |
763570 |
1.14.13.237 | aliphatic glucosinolate S-oxygenase |
phloem |
- |
742992 |
1.14.14.102 | N-methylcoclaurine 3'-monooxygenase |
phloem |
localization in the sieve elements adjacent or proximal to laticifers in the root and hypocotyl of opium poppy seedlings |
670561 |
1.14.14.178 | steroid 22S-hydroxylase |
phloem |
- |
765863 |
1.14.14.41 | (E)-2-methylbutanal oxime monooxygenase |
phloem |
uridine diphosphate glycosyltransferases UGT85K4 and UGT85K5 are co-expressed with CYP79D1 and CYP71E7 paralogs, which catalyze earlier steps in cyanogenic glucoside synthesis, in the cortex, xylem and phloem parenchyma, and in specific cells in the endodermis of the petiole of the first unfolded leaf |
728480 |
1.14.14.83 | geraniol 8-hydroxylase |
phloem |
parenchym |
718213 |
1.14.14.91 | trans-cinnamate 4-monooxygenase |
phloem |
- |
676469 |
1.4.1.2 | glutamate dehydrogenase |
phloem |
- |
663075 |
1.4.4.2 | glycine dehydrogenase (aminomethyl-transferring) |
phloem |
- |
688072 |
1.5.99.12 | cytokinin dehydrogenase |
phloem |
of shoots, most abundant in |
-, 656984 |
1.8.5.1 | glutathione dehydrogenase (ascorbate) |
phloem |
- |
704988 |
2.1.1.116 | 3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase |
phloem |
restricted to sieve elements adjacent or proximal to laticifers |
670561 |
2.1.1.128 | (RS)-norcoclaurine 6-O-methyltransferase |
phloem |
sieve elements of the phloem adjacent or proximal to laticifers |
670561 |
2.1.1.140 | (S)-coclaurine-N-methyltransferase |
phloem |
sieve elements of the phloem adjacent or proximal to laticifers. Sieve elements in the root and hypocotyl of opium poppy seedlings |
670561 |
2.1.1.142 | cycloartenol 24-C-methyltransferase |
phloem |
- |
755742 |
2.3.1.150 | Salutaridinol 7-O-acetyltransferase |
phloem |
enzyme protein is restricted to sieve elements of the phloem adjacent or proximal to laticifers. Corresponding gene transcripts are found in the companion cell paired with each sieve element |
670561 |
2.3.1.95 | trihydroxystilbene synthase |
phloem |
- |
721047 |
2.3.3.16 | citrate synthase (unknown stereospecificity) |
phloem |
- |
737011 |
2.3.3.16 | citrate synthase (unknown stereospecificity) |
phloem |
high expression level |
757999 |
2.3.3.17 | methylthioalkylmalate synthase |
phloem |
- |
741186 |
2.4.1.123 | inositol 3-alpha-galactosyltransferase |
phloem |
GolS-2 is primarily expressed in the phloem-associated intermediary cells known for their role in raffinose family oligosaccharides phloem loading |
638605 |
2.4.1.13 | sucrose synthase |
phloem |
- |
-, 706750, 736966, 737071, 757335 |
2.4.1.13 | sucrose synthase |
phloem |
activity of sucrose synthase and the content of starch in the xylem and phloem of the two birch varieties, 40-year-old trees, and 8-year-old trees of Betula carelica, overview |
737239 |
2.4.1.13 | sucrose synthase |
phloem |
isozyme SUS1 |
-, 736965 |
2.4.1.13 | sucrose synthase |
phloem |
isozyme SUS4 |
-, 736965 |
2.4.1.13 | sucrose synthase |
phloem |
SuSy is specifically localized in the creous walled sieve element of the phloem |
706739 |
2.4.1.14 | sucrose-phosphate synthase |
phloem |
- |
706750 |
2.4.1.207 | xyloglucan:xyloglucosyl transferase |
phloem |
- |
676443 |
2.4.1.207 | xyloglucan:xyloglucosyl transferase |
phloem |
XET activity in xylem and phloem fibers at the stage of secondary wall formation, PttXET16A |
636836 |
2.4.1.323 | 7-deoxyloganetic acid glucosyltransferase |
phloem |
preferentially expressed in internal phloem associated parenchyma cells |
726167 |
2.4.1.34 | 1,3-beta-glucan synthase |
phloem |
- |
489070 |
2.4.1.357 | phlorizin synthase |
phloem |
- |
747731 |
2.4.1.67 | galactinol-raffinose galactosyltransferase |
phloem |
- |
706750 |
2.4.1.67 | galactinol-raffinose galactosyltransferase |
phloem |
main expresses in the phloem of the minor veins in mature leaves |
758027 |
2.4.2.24 | 1,4-beta-D-xylan synthase |
phloem |
weak expression, ATCSLD5 promoter driven beta-glucuronidase (GUS) expression, possibly false positive due to loading of GUS reaction products via symplastic connections |
694668 |
2.5.1.112 | adenylate dimethylallyltransferase (ADP/ATP-dependent) |
phloem |
expression of isoform IPT3 |
660174 |
2.5.1.16 | spermidine synthase |
phloem |
- |
-, 723374 |
2.5.1.18 | glutathione transferase |
phloem |
- |
759268 |
2.5.1.18 | glutathione transferase |
phloem |
high expression |
759268 |
2.5.1.27 | adenylate dimethylallyltransferase |
phloem |
AtIPT3, upregulated within 1 h after an application of nitrate zo mineral-strved Arabidopsis plants |
660174 |
2.5.1.43 | nicotianamine synthase |
phloem |
- |
739648 |
2.5.1.58 | protein farnesyltransferase |
phloem |
Crftb transcripts are localised next to the xylem in the external (abaxial) conducting phloem region. Crdxs is expressed in internal (adaxial) phloem parenchyma cells that are located above the internal (adaxial) conducting phloem on the opposite side of the xylem |
660285 |
2.6.1.42 | branched-chain-amino-acid transaminase |
phloem |
- |
676421 |
2.6.1.88 | methionine transaminase |
phloem |
- |
676421 |
2.7.1.100 | S-methyl-5-thioribose kinase |
phloem |
expression of methylthioribose kinase and other enzymes of the yang cycle is phloem-specific |
723409 |
2.7.1.4 | fructokinase |
phloem |
expressed in phloem companion cells of both internal and external phloem |
758873 |
2.7.1.4 | fructokinase |
phloem |
phloem campanion cells |
739183 |
2.7.11.24 | mitogen-activated protein kinase |
phloem |
primary and secondary phloem |
678935 |
2.7.4.6 | nucleoside-diphosphate kinase |
phloem |
companion cells |
762180 |
3.1.1.11 | pectinesterase |
phloem |
- |
678803 |
3.1.7.11 | geranyl diphosphate diphosphatase |
phloem |
localization of transcripts in the internal phloem associated parenchyma |
730570 |
3.2.1.147 | thioglucosidase |
phloem |
- |
-, 755451 |
3.2.1.147 | thioglucosidase |
phloem |
enzyme activity is restricted to guard cells and phloem idioblasts |
666617 |
3.2.1.147 | thioglucosidase |
phloem |
parenchyma, myrosin cells |
666616 |
3.2.1.151 | xyloglucan-specific endo-beta-1,4-glucanase |
phloem |
systemical accumulation of xyloglucan endotransglycosylase/hydrolase transcripts following infestation with Myzus persicae. Induction is specific to phloem but not correlated with increase in enzyme activity in phloem |
676443 |
3.2.1.2 | beta-amylase |
phloem |
tissue culture |
208631 |
3.2.1.22 | alpha-galactosidase |
phloem |
- |
706750 |
3.2.1.26 | beta-fructofuranosidase |
phloem |
- |
697728, 706750, 730433 |
3.5.99.7 | 1-aminocyclopropane-1-carboxylate deaminase |
phloem |
- |
713222 |
4.1.1.35 | UDP-glucuronate decarboxylase |
phloem |
- |
2402, 728599 |
4.1.1.49 | phosphoenolpyruvate carboxykinase (ATP) |
phloem |
the enzyme is present in the companion cells of the adaxial phloem of minor veins, the internal and external phloem of vascular bundles in petioles and stems, the phloem in roots and the eextra-fascicular phloem in leaves, cotyledons, petioles and stems |
663186 |
4.2.1.78 | (S)-norcoclaurine synthase |
phloem |
NCS2 shows cell type-specific occurrence in phloem sieve elements, colocalization with all other known benzylisoquinoline alkaloid biosynthetic enzymes |
716518 |
4.2.3.107 | (+)-car-3-ene synthase |
phloem |
29% of xylem activity |
704380 |
4.4.1.5 | lactoylglutathione lyase |
phloem |
- |
692050 |
4.4.1.5 | lactoylglutathione lyase |
phloem |
preferentially accumulated in phloem and sieve cells |
692050 |
4.6.1.19 | ribonuclease T2 |
phloem |
RNaseLE transcript accumulation occurs preferentially upon wounding |
666671 |
5.1.3.2 | UDP-glucose 4-epimerase |
phloem |
- |
676431 |
5.1.3.5 | UDP-arabinose 4-epimerase |
phloem |
- |
2402 |
5.2.1.8 | peptidylprolyl isomerase |
phloem |
phloem translocation stream |
694779 |
6.2.1.1 | acetate-CoA ligase |
phloem |
- |
746504 |
6.2.1.12 | 4-coumarate-CoA ligase |
phloem |
- |
616, 694735, 746098, 746109 |
6.3.5.5 | carbamoyl-phosphate synthase (glutamine-hydrolysing) |
phloem |
- |
697908 |
7.1.3.1 | H+-exporting diphosphatase |
phloem |
- |
748971, 748977, 749024, 749407 |
7.3.2.4 | ABC-type nitrate transporter |
phloem |
- |
720682 |
7.3.2.4 | ABC-type nitrate transporter |
phloem |
NRT1.7 is expressed in the phloem of the leaf minor vein |
713270 |
7.3.2.4 | ABC-type nitrate transporter |
phloem |
NRT1.9 is expressed in the companion cells of the phloem, NRT1.7 is expressed in the phloem of minor veins in older leaves |
721094 |