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Literature summary for 2.8.2.20 extracted from

  • Zhou, W.; Wei, L.; Xu, J.; Zhai, Q.; Jiang, H.; Chen, R.; Chen, Q.; Sun, J.; Chu, J.; Zhu, L.; Liu, C.M.; Li, C.
    Arabidopsis Tyrosylprotein sulfotransferase acts in the auxin/PLETHORA pathway in regulating postembryonic maintenance of the root stem cell niche (2010), Plant Cell, 22, 3692-3709.
    View publication on PubMedView publication on EuropePMC
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Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3'-phosphoadenylyl sulfate + protein tyrosine Arabidopsis thaliana
-
 adenosine 3',5'-bisphosphate + protein tyrosine-O-sulfate
-
 ?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
 ecotypes Columbia, C24, Landsberg erecta, and Wassilewskija
-

Source Tissue

Source Tissue Comment Organism Textmining
root
-
 Arabidopsis thaliana
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3'-phosphoadenylyl sulfate + protein tyrosine
-
 Arabidopsis thaliana adenosine 3',5'-bisphosphate + protein tyrosine-O-sulfate
-
 ?

Synonyms

Synonyms Comment Organism
AQC1
-
 Arabidopsis thaliana
TPST
-
 Arabidopsis thaliana
tyrosylprotein sulfotransferase
-
 Arabidopsis thaliana

General Information

General Information Comment Organism
malfunction mutation of the enzyme leads to defective maintenance of the root stem cell niche, decreased meristematic activity, and stunted root growth. Mutation of the enzyme also impairs basal- and auxin-induced expression of the Plethora stem cell transcription factor genes Arabidopsis thaliana
physiological function Arabidopsis tyrosylprotein sulfotransferase acts in the auxin/Plethora (PLT) pathway in regulating postembryonic maintenance of the root stem cell niche by regulating basal- and auxin-induced expression of PLT1 and PLT2. The enzyme also affects local auxin biosynthesis in the root meristem Arabidopsis thaliana