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Literature summary for 2.4.1.203 extracted from

  • Jin, S.H.; Ma, X.M.; Kojima, M.; Sakakibara, H.; Wang, Y.W.; Hou, B.K.
    Overexpression of glucosyltransferase UGT85A1 influences trans-zeatin homeostasis and trans-zeatin responses likely through O-glucosylation (2013), Planta, 237, 991-999.
    View publication on PubMed
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Cloned(Commentary)

Cloned (Comment) Organism
gene UGT85A1, overexpression of the wild-type enzyme in Arabidopsis thaliana using transfection via Agrobacterium tumefaciens strain GV3101, expression as GFP-tagged enzyme in onion epidermis by particle bombardment Arabidopsis thaliana

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
 Arabidopsis thaliana 5737
-
nucleus
-
 Arabidopsis thaliana 5634
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-glucose + trans-zeatin Arabidopsis thaliana
-
 UDP + O-beta-D-glucosyl-trans-zeatin
-
 ?
UDP-glucose + trans-zeatin Arabidopsis thaliana Col-0
-
 UDP + O-beta-D-glucosyl-trans-zeatin
-
 ?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana Q9SK82
-
-
Arabidopsis thaliana Col-0 Q9SK82
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Arabidopsis thaliana
-
seedling UGT85A1 is mainly expressed in the early seedlings, spatial-temporal expression patterns, overview Arabidopsis thaliana
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-glucose + trans-zeatin
-
 Arabidopsis thaliana UDP + O-beta-D-glucosyl-trans-zeatin
-
 ?
UDP-glucose + trans-zeatin
-
 Arabidopsis thaliana Col-0 UDP + O-beta-D-glucosyl-trans-zeatin
-
 ?

Synonyms

Synonyms Comment Organism
glucosyltransferase UGT85A1
-
 Arabidopsis thaliana
trans-zeatin O-glucosyltransferase
-
 Arabidopsis thaliana
UGT85A1
-
 Arabidopsis thaliana

General Information

General Information Comment Organism
malfunction the accumulation level of the trans-zeatin O-glucosides is significantly increased in UGT85A1 overexpressing transgenic Arabidopsis thaliana, while other forms of cytokinins occur in concentrations similar to the wild-type. When treated with exogenously applied trans-zeatin, UGT85A1 overexpressing Arabidopsis thaliana plants show much less sensitivity to trans-zeatin in primary root elongation and lateral root formation. The chlorophyll content of detached leaves of transgenic Arabidopsis thaliana plants is much lower than wild-type, phenotype, overview Arabidopsis thaliana
physiological function glucosyltransferase UGT85A1 is another zeatin O-glucosyltransferase with a preference for trans-zeatin. It influences trans-zeatin homeostasis and trans-zeatin responses likely through O-glucosylation, regulation, overview Arabidopsis thaliana