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Literature summary for 2.5.1.112 extracted from

  • Min-ji, Li.; Qin-ping, W.; Fu-tian, P.; Wen, Y.; Jing-jing, L.; Yong-fei, Z.
    Identification and characterization of ATP/ADP isopentenyltransferases (ATP/ADP PpIPTs) genes in peach (2018), J. Plant Growth Regul., 38, 416-430 .
No PubMed abstract available

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
dimethylallyl diphosphate + ADP Prunus persica
-
diphosphate + N6-(dimethylallyl)adenosine 5'-diphosphate
-
?
dimethylallyl diphosphate + ATP Prunus persica
-
diphosphate + N6-(dimethylallyl)adenosine 5'-triphosphate
-
?

Organism

Organism UniProt Comment Textmining
Prunus persica
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
axillary bud
-
Prunus persica
-
flower
-
Prunus persica
-
leaf highest expression of isoforms IPT3 and IPT7 Prunus persica
-
pulp
-
Prunus persica
-
root highest expression of isoform IPT1 Prunus persica
-
seed highest expression of isoform IPT5 Prunus persica
-
stem
-
Prunus persica
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dimethylallyl diphosphate + ADP
-
Prunus persica diphosphate + N6-(dimethylallyl)adenosine 5'-diphosphate
-
?
dimethylallyl diphosphate + ATP
-
Prunus persica diphosphate + N6-(dimethylallyl)adenosine 5'-triphosphate
-
?

Synonyms

Synonyms Comment Organism
ATP/ADP IPT
-
Prunus persica
ATP/ADP isopentenyltransferase
-
Prunus persica
IPT1 isoform Prunus persica
IPT3 isoform Prunus persica
IPT5 isoform Prunus persica
IPT7 isoform Prunus persica

Expression

Organism Comment Expression
Prunus persica enzyme expression levels decrease significantly in pulp within 2 weeks after flowering and remain low down
Prunus persica isoform IPT3 is upregulated within 2 h after the application of tungstate, methionine sulfoximine or nitrate to N-deprived peach seedlings, and the increase is resistant to pre-treatment of a specific nitrate metabolism inhibitor. Isoform IPT5 in seed increases significantly within 2 weeks after flowering. The enzyme expression also increases significantly during later fruit development in seed up

General Information

General Information Comment Organism
physiological function isoform IPT5 in seed is the key gene for cytokinin biosynthesis during early fruit development. Isoform IPT3 is the primary nitrate-response gene in peach roots Prunus persica