EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
1.1.1.22 | UDP-glucose 6-dehydrogenase |
pollen |
- |
286294 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
pollen |
expression of NADP-ME3 exclusively in pollen from the latest maturation stage up to its germination on the stigma |
670594 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
pollen |
isozyme NADP-ME3 |
689565 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
pollen |
NADP-ME4 |
670594 |
1.1.1.41 | isocitrate dehydrogenase (NAD+) |
pollen |
- |
670547 |
1.1.1.41 | isocitrate dehydrogenase (NAD+) |
pollen |
At4g35650 is not expressed in vegetative organs but is mainly expressed in the pollen |
670547 |
1.1.1.8 | glycerol-3-phosphate dehydrogenase (NAD+) |
pollen |
- |
762241 |
1.1.3.9 | galactose oxidase |
pollen |
- |
763570 |
1.11.2.3 | plant seed peroxygenase |
pollen |
- |
765627 |
1.13.11.51 | 9-cis-epoxycarotenoid dioxygenase |
pollen |
- |
764795 |
1.13.99.1 | inositol oxygenase |
pollen |
MIOX4 is highly expressed in pollen |
-, 745898 |
1.13.99.1 | inositol oxygenase |
pollen |
MIOX5 is highly expressed in pollen |
-, 745898 |
1.14.19.17 | sphingolipid 4-desaturase |
pollen |
pollen-specific enzyme |
734864 |
1.14.19.79 | 3beta,22alpha-dihydroxysteroid 3-dehydrogenase |
pollen |
very low expression in pollen |
765611 |
1.3.1.B13 | polyprenol reductase (NADPH) |
pollen |
only isozyme PPRD2 |
-, 746028 |
1.3.3.3 | coproporphyrinogen oxidase |
pollen |
- |
746121 |
1.4.1.14 | glutamate synthase (NADH) |
pollen |
- |
743425, 743546 |
1.5.3.14 | polyamine oxidase (propane-1,3-diamine-forming) |
pollen |
the enzyme is specifically expressed in anthers, with an expressional peak at the bicellular pollen stage |
743455 |
1.5.3.17 | non-specific polyamine oxidase |
pollen |
- |
-, 723919 |
1.5.3.17 | non-specific polyamine oxidase |
pollen |
in mature pollen grains during pollination and pollen tube growth |
-, 723919 |
1.5.99.B2 | proline dehydrogenase (acceptor) |
pollen |
strong expression in mature pollen |
689670 |
2.3.1.15 | glycerol-3-phosphate 1-O-acyltransferase |
pollen |
- |
757543 |
2.3.1.15 | glycerol-3-phosphate 1-O-acyltransferase |
pollen |
high expression level |
757327 |
2.3.1.179 | beta-ketoacyl-[acyl-carrier-protein] synthase II |
pollen |
- |
703859 |
2.3.1.198 | glycerol-3-phosphate 2-O-acyltransferase |
pollen |
- |
757543 |
2.3.1.199 | very-long-chain 3-oxoacyl-CoA synthase |
pollen |
- |
720670 |
2.3.1.20 | diacylglycerol O-acyltransferase |
pollen |
- |
757544 |
2.3.1.20 | diacylglycerol O-acyltransferase |
pollen |
high DGAT1 expression |
757544 |
2.3.1.225 | protein S-acyltransferase |
pollen |
- |
720754 |
2.3.1.50 | serine C-palmitoyltransferase |
pollen |
small subunit ssSPTa transcripts are more enriched in all organs and over 400fold more abundant in pollen than small subunit ssSPTb transcripts |
736988 |
2.3.1.51 | 1-acylglycerol-3-phosphate O-acyltransferase |
pollen |
LPAT2 predominantly |
676410 |
2.3.2.13 | protein-glutamine gamma-glutamyltransferase |
pollen |
- |
718773 |
2.3.3.9 | malate synthase |
pollen |
- |
638472 |
2.4.1.17 | glucuronosyltransferase |
pollen |
- |
759930 |
2.4.1.194 | 4-hydroxybenzoate 4-O-beta-D-glucosyltransferase |
pollen |
- |
636883 |
2.4.1.234 | kaempferol 3-O-galactosyltransferase |
pollen |
CMF |
654156 |
2.4.1.234 | kaempferol 3-O-galactosyltransferase |
pollen |
from anthers of stage 2-9 flowers, F3GalTase is expressed exclusively in the male gametophyte/pollen, where it modifies a molecule required for functional pollen, expression pattern during development |
-, 655974 |
2.4.1.234 | kaempferol 3-O-galactosyltransferase |
pollen |
lower F3GalTase activity than in Petunia hybrida pollen |
657016 |
2.4.1.234 | kaempferol 3-O-galactosyltransferase |
pollen |
pollen-specific enzyme |
657016 |
2.4.1.234 | kaempferol 3-O-galactosyltransferase |
pollen |
surface localized |
654154 |
2.4.1.296 | anthocyanidin 3-O-coumaroylrutinoside 5-O-glucosyltransferase |
pollen |
- |
720779 |
2.4.1.34 | 1,3-beta-glucan synthase |
pollen |
- |
660182 |
2.4.1.34 | 1,3-beta-glucan synthase |
pollen |
pollen isozyme: predominantly in the endoplasmic reticulum and Golgi membranes in younger pollen tubes mostly in an inactive, latent enzyme form, the latent and active enzyme forms together In later stages of pollen-tube growth to a greater proportion located in intracellular vesicles and the plasma membrane. No activity in mature pollen |
702118 |
2.4.2.35 | flavonol-3-O-glycoside xylosyltransferase |
pollen |
at the stage of middle postmeiotic pollen ripening |
488625 |
2.4.2.58 | hydroxyproline O-arabinosyltransferase |
pollen |
- |
739321 |
2.5.1.112 | adenylate dimethylallyltransferase (ADP/ATP-dependent) |
pollen |
predominant expression of isoform IPT7 |
660174 |
2.5.1.47 | cysteine synthase |
pollen |
- |
739348 |
2.5.1.6 | methionine adenosyltransferase |
pollen |
highly expressed in pollen |
759977 |
2.6.1.96 | 4-aminobutyrate-pyruvate transaminase |
pollen |
- |
719252 |
2.7.1.1 | hexokinase |
pollen |
- |
676714, 738785 |
2.7.1.107 | diacylglycerol kinase (ATP) |
pollen |
- |
762024 |
2.7.1.107 | diacylglycerol kinase (ATP) |
pollen |
high expression |
762127 |
2.7.1.114 | AMP-thymidine kinase |
pollen |
- |
640570 |
2.7.1.137 | phosphatidylinositol 3-kinase |
pollen |
- |
710306 |
2.7.1.151 | inositol-polyphosphate multikinase |
pollen |
isozyme Ipk2beta |
661446 |
2.7.1.159 | inositol-1,3,4-trisphosphate 5/6-kinase |
pollen |
- |
673698 |
2.7.1.21 | thymidine kinase |
pollen |
low activity |
760008 |
2.7.1.4 | fructokinase |
pollen |
- |
641503, 641509 |
2.7.1.4 | fructokinase |
pollen |
SlFRK4 is expressed only in pollen |
758873 |
2.7.1.43 | glucuronokinase |
pollen |
- |
636985, 636986, 636987, 701667, 704685 |
2.7.1.46 | L-arabinokinase |
pollen |
- |
739344 |
2.7.1.68 | 1-phosphatidylinositol-4-phosphate 5-kinase |
pollen |
- |
739370 |
2.7.1.82 | ethanolamine kinase |
pollen |
high expression level of isozyme CEK4 in male reproductive organs |
739295 |
2.7.11.1 | non-specific serine/threonine protein kinase |
pollen |
- |
663396 |
2.7.11.24 | mitogen-activated protein kinase |
pollen |
binuclear pollen |
762023 |
2.7.11.25 | mitogen-activated protein kinase kinase kinase |
pollen |
- |
761176 |
2.7.11.25 | mitogen-activated protein kinase kinase kinase |
pollen |
strong expression in pollen grains increasing from young buds to later stages of maturation |
761176 |
2.7.11.32 | [pyruvate, phosphate dikinase] kinase |
pollen |
- |
694671 |
2.7.2.8 | acetylglutamate kinase |
pollen |
- |
761655 |
2.7.4.21 | inositol-hexakisphosphate 5-kinase |
pollen |
- |
739316 |
2.7.4.9 | dTMP kinase |
pollen |
low expression |
760006 |
2.7.7.19 | polynucleotide adenylyltransferase |
pollen |
- |
762149 |
2.7.7.44 | glucuronate-1-phosphate uridylyltransferase |
pollen |
- |
-, 645283 |
2.7.7.64 | UTP-monosaccharide-1-phosphate uridylyltransferase |
pollen |
AtUSP mRNA-specific qRT-PCR, strong expression in vascular tissue (promoter: beta-glucuronidase assay), essential for pollen development since loss-of-function mutation in enzyme causes male infertility |
691365 |
2.7.7.64 | UTP-monosaccharide-1-phosphate uridylyltransferase |
pollen |
the enzyme is essential for development of viable pollen |
670635 |
2.7.7.9 | UTP-glucose-1-phosphate uridylyltransferase |
pollen |
- |
643727 |
2.7.7.9 | UTP-glucose-1-phosphate uridylyltransferase |
pollen |
high expression during anther development |
676438 |
2.7.7.9 | UTP-glucose-1-phosphate uridylyltransferase |
pollen |
non-germinated |
643729 |
2.7.7.9 | UTP-glucose-1-phosphate uridylyltransferase |
pollen |
preferential expression of gene OsUgp in maturing pollens |
723143 |
2.7.8.8 | CDP-diacylglycerol-serine O-phosphatidyltransferase |
pollen |
- |
723425 |
2.7.9.4 | alpha-glucan, water dikinase |
pollen |
in vitro germination at 25°C for 8 h (to 50% impaired in absence of functional GWD, starch accumulation and reduction in level of soluble sugars) |
694686 |
3.1.1.11 | pectinesterase |
pollen |
- |
676571, 679294, 714956 |
3.1.1.11 | pectinesterase |
pollen |
pollen specific PME detected exclusively in mature pollen and not in any other tissue examined, high activity in pollen tube |
673237 |
3.1.1.11 | pectinesterase |
pollen |
the enzyme is expressed in pollen grains from 4 days before anthesis till anther dehiscence and in pollinated carpels |
730647 |
3.1.1.11 | pectinesterase |
pollen |
tube, the enzyme belongs to the group I of pectinesterases in Arabidopsis thaliana pollen |
681244 |
3.1.1.11 | pectinesterase |
pollen |
tube, the enzyme belongs to the group II of pectinesterases in Arabidopsis thaliana pollen |
681244 |
3.1.1.6 | acetylesterase |
pollen |
- |
750200 |
3.1.1.74 | cutinase |
pollen |
- |
710267 |
3.1.1.74 | cutinase |
pollen |
in mature pollen grains within non-dehiscent anthers |
710267 |
3.1.3.2 | acid phosphatase |
pollen |
strong expression in the early stages of seedling growth and pollen germination |
706314 |
3.1.3.25 | inositol-phosphate phosphatase |
pollen |
- |
114218, 114219 |
3.1.3.26 | 4-phytase |
pollen |
- |
94791, 94792, 94801 |
3.1.3.26 | 4-phytase |
pollen |
one of the phytases is already present in mature ungerminated lily pollen and the other one is newly synthesized during germination from a long-lived, pre-existing mRNA |
94798 |
3.1.3.3 | phosphoserine phosphatase |
pollen |
enzyme plays a crucial role in embry, pollen and root development |
730605 |
3.1.3.56 | inositol-polyphosphate 5-phosphatase |
pollen |
- |
729621 |
3.1.3.62 | multiple inositol-polyphosphate phosphatase |
pollen |
mRNA expression |
682291 |
3.1.3.72 | 5-phytase |
pollen |
- |
441601, 663772, 750172, 94791, 94801 |
3.1.3.72 | 5-phytase |
pollen |
at the inner surfaces of storage bodies, the phytin-containing organelles in pollen, integral component of the membrane |
94801 |
3.1.3.72 | 5-phytase |
pollen |
localized in mature pollen, germination results in a rapid increase of enzyme that persists at the higher level for at least 6 h |
94801 |
3.1.3.8 | 3-phytase |
pollen |
- |
716830 |