EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
4.2.3.107 | (+)-car-3-ene synthase |
phloem |
29% of xylem activity |
704380 |
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 |
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 |
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 |
2.4.1.34 | 1,3-beta-glucan synthase |
phloem |
- |
489070 |
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 |
3.5.99.7 | 1-aminocyclopropane-1-carboxylate deaminase |
phloem |
- |
713222 |
2.1.1.116 | 3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase |
phloem |
restricted to sieve elements adjacent or proximal to laticifers |
670561 |
6.2.1.12 | 4-coumarate-CoA ligase |
phloem |
- |
616, 694735, 746098, 746109 |
2.4.1.323 | 7-deoxyloganetic acid glucosyltransferase |
phloem |
preferentially expressed in internal phloem associated parenchyma cells |
726167 |
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 |
6.2.1.1 | acetate-CoA ligase |
phloem |
- |
746504 |
2.5.1.27 | adenylate dimethylallyltransferase |
phloem |
AtIPT3, upregulated within 1 h after an application of nitrate zo mineral-strved Arabidopsis plants |
660174 |
2.5.1.112 | adenylate dimethylallyltransferase (ADP/ATP-dependent) |
phloem |
expression of isoform IPT3 |
660174 |
1.14.13.237 | aliphatic glucosinolate S-oxygenase |
phloem |
- |
742992 |
3.2.1.22 | alpha-galactosidase |
phloem |
- |
706750 |
3.2.1.2 | beta-amylase |
phloem |
tissue culture |
208631 |
3.2.1.26 | beta-fructofuranosidase |
phloem |
- |
697728, 706750, 730433 |
2.6.1.42 | branched-chain-amino-acid transaminase |
phloem |
- |
676421 |
6.3.5.5 | carbamoyl-phosphate synthase (glutamine-hydrolysing) |
phloem |
- |
697908 |
1.1.1.195 | cinnamyl-alcohol dehydrogenase |
phloem |
- |
741181, 741217 |
2.3.3.16 | citrate synthase (unknown stereospecificity) |
phloem |
- |
737011 |
2.3.3.16 | citrate synthase (unknown stereospecificity) |
phloem |
high expression level |
757999 |
2.1.1.142 | cycloartenol 24-C-methyltransferase |
phloem |
- |
755742 |
1.5.99.12 | cytokinin dehydrogenase |
phloem |
of shoots, most abundant in |
-, 656984 |
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 |
2.4.1.67 | 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 |
1.1.3.9 | galactose oxidase |
phloem |
- |
763570 |
1.14.14.83 | geraniol 8-hydroxylase |
phloem |
parenchym |
718213 |
3.1.7.11 | geranyl diphosphate diphosphatase |
phloem |
localization of transcripts in the internal phloem associated parenchyma |
730570 |
1.4.1.2 | glutamate dehydrogenase |
phloem |
- |
663075 |
1.8.5.1 | glutathione dehydrogenase (ascorbate) |
phloem |
- |
704988 |
2.5.1.18 | glutathione transferase |
phloem |
- |
759268 |
2.5.1.18 | glutathione transferase |
phloem |
high expression |
759268 |
1.4.4.2 | glycine dehydrogenase (aminomethyl-transferring) |
phloem |
- |
688072 |
7.1.3.1 | H+-exporting diphosphatase |
phloem |
- |
748971, 748977, 749024, 749407 |
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 |
4.4.1.5 | lactoylglutathione lyase |
phloem |
- |
692050 |
4.4.1.5 | lactoylglutathione lyase |
phloem |
preferentially accumulated in phloem and sieve cells |
692050 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
phloem |
- |
686932 |
1.1.1.255 | mannitol dehydrogenase |
phloem |
- |
286405 |
2.6.1.88 | methionine transaminase |
phloem |
- |
676421 |
2.3.3.17 | methylthioalkylmalate synthase |
phloem |
- |
741186 |
2.7.11.24 | mitogen-activated protein kinase |
phloem |
primary and secondary phloem |
678935 |
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 |
2.5.1.43 | nicotianamine synthase |
phloem |
- |
739648 |
2.7.4.6 | nucleoside-diphosphate kinase |
phloem |
companion cells |
762180 |
3.1.1.11 | pectinesterase |
phloem |
- |
678803 |
5.2.1.8 | peptidylprolyl isomerase |
phloem |
phloem translocation stream |
694779 |
2.4.1.357 | phlorizin synthase |
phloem |
- |
747731 |
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 |
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 |
4.6.1.19 | ribonuclease T2 |
phloem |
RNaseLE transcript accumulation occurs preferentially upon wounding |
666671 |
1.1.1.284 | S-(hydroxymethyl)glutathione dehydrogenase |
phloem |
- |
762617 |
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 |
2.3.1.150 | 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 |
1.1.1.25 | shikimate dehydrogenase (NADP+) |
phloem |
- |
-, 740724 |
2.5.1.16 | spermidine synthase |
phloem |
- |
-, 723374 |
1.14.14.178 | steroid 22S-hydroxylase |
phloem |
- |
765863 |
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 |
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 |
1.14.14.91 | trans-cinnamate 4-monooxygenase |
phloem |
- |
676469 |
2.3.1.95 | trihydroxystilbene synthase |
phloem |
- |
721047 |
1.1.1.236 | tropinone reductase II |
phloem |
- |
670636 |
5.1.3.5 | UDP-arabinose 4-epimerase |
phloem |
- |
2402 |
5.1.3.2 | UDP-glucose 4-epimerase |
phloem |
- |
676431 |
4.1.1.35 | UDP-glucuronate decarboxylase |
phloem |
- |
2402, 728599 |
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 |
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 |