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Search term: phloem

Results 1 - 79 of 79
EC Number
Source Tissue
Commentary
Reference
cinnamyl-alcohol dehydrogenase
-
tropinone reductase II
-
shikimate dehydrogenase (NADP+)
-
mannitol dehydrogenase
-
malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+)
-
aliphatic glucosinolate S-oxygenase
-
N-methylcoclaurine 3'-monooxygenase
localization in the sieve elements adjacent or proximal to laticifers in the root and hypocotyl of opium poppy seedlings
(E)-2-methylbutanal oxime monooxygenase
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
geraniol 8-hydroxylase
parenchym
trans-cinnamate 4-monooxygenase
-
glutamate dehydrogenase
-
glycine dehydrogenase (aminomethyl-transferring)
-
cytokinin dehydrogenase
of shoots, most abundant in
glutathione dehydrogenase (ascorbate)
-
3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase
restricted to sieve elements adjacent or proximal to laticifers
(RS)-norcoclaurine 6-O-methyltransferase
sieve elements of the phloem adjacent or proximal to laticifers
(S)-coclaurine-N-methyltransferase
sieve elements of the phloem adjacent or proximal to laticifers. Sieve elements in the root and hypocotyl of opium poppy seedlings
cycloartenol 24-C-methyltransferase
-
Salutaridinol 7-O-acetyltransferase
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
trihydroxystilbene synthase
-
citrate synthase (unknown stereospecificity)
-
citrate synthase (unknown stereospecificity)
high expression level
methylthioalkylmalate synthase
-
inositol 3-alpha-galactosyltransferase
GolS-2 is primarily expressed in the phloem-associated intermediary cells known for their role in raffinose family oligosaccharides phloem loading
sucrose synthase
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
sucrose synthase
isozyme SUS1
sucrose synthase
isozyme SUS4
sucrose synthase
SuSy is specifically localized in the creous walled sieve element of the phloem
sucrose-phosphate synthase
-
xyloglucan:xyloglucosyl transferase
-
xyloglucan:xyloglucosyl transferase
XET activity in xylem and phloem fibers at the stage of secondary wall formation, PttXET16A
7-deoxyloganetic acid glucosyltransferase
preferentially expressed in internal phloem associated parenchyma cells
1,3-beta-glucan synthase
-
phlorizin synthase
-
galactinol-raffinose galactosyltransferase
-
galactinol-raffinose galactosyltransferase
main expresses in the phloem of the minor veins in mature leaves
1,4-beta-D-xylan synthase
weak expression, ATCSLD5 promoter driven beta-glucuronidase (GUS) expression, possibly false positive due to loading of GUS reaction products via symplastic connections
adenylate dimethylallyltransferase (ADP/ATP-dependent)
expression of isoform IPT3
spermidine synthase
-
glutathione transferase
-
glutathione transferase
high expression
adenylate dimethylallyltransferase
AtIPT3, upregulated within 1 h after an application of nitrate zo mineral-strved Arabidopsis plants
nicotianamine synthase
-
protein farnesyltransferase
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
branched-chain-amino-acid transaminase
-
methionine transaminase
-
S-methyl-5-thioribose kinase
expression of methylthioribose kinase and other enzymes of the yang cycle is phloem-specific
fructokinase
expressed in phloem companion cells of both internal and external phloem
fructokinase
phloem campanion cells
mitogen-activated protein kinase
primary and secondary phloem
nucleoside-diphosphate kinase
companion cells
pectinesterase
-
geranyl diphosphate diphosphatase
localization of transcripts in the internal phloem associated parenchyma
thioglucosidase
-
thioglucosidase
enzyme activity is restricted to guard cells and phloem idioblasts
thioglucosidase
parenchyma, myrosin cells
xyloglucan-specific endo-beta-1,4-glucanase
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
beta-amylase
tissue culture
alpha-galactosidase
-
beta-fructofuranosidase
-
1-aminocyclopropane-1-carboxylate deaminase
-
UDP-glucuronate decarboxylase
-
phosphoenolpyruvate carboxykinase (ATP)
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
(S)-norcoclaurine synthase
NCS2 shows cell type-specific occurrence in phloem sieve elements, colocalization with all other known benzylisoquinoline alkaloid biosynthetic enzymes
(+)-car-3-ene synthase
29% of xylem activity
lactoylglutathione lyase
-
lactoylglutathione lyase
preferentially accumulated in phloem and sieve cells
ribonuclease T2
RNaseLE transcript accumulation occurs preferentially upon wounding
UDP-glucose 4-epimerase
-
UDP-arabinose 4-epimerase
-
peptidylprolyl isomerase
phloem translocation stream
acetate-CoA ligase
-
4-coumarate-CoA ligase
-
carbamoyl-phosphate synthase (glutamine-hydrolysing)
-
H+-exporting diphosphatase
-
ABC-type nitrate transporter
-
ABC-type nitrate transporter
NRT1.7 is expressed in the phloem of the leaf minor vein
ABC-type nitrate transporter
NRT1.9 is expressed in the companion cells of the phloem, NRT1.7 is expressed in the phloem of minor veins in older leaves
Results 1 - 79 of 79