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Literature summary for 1.2.1.19 extracted from

  • Hou, Y.; Ren, H.; Wang, K.; Cao, S.; Zheng, Y.; Wei, Y.; Shao, X.; Wang, H.; Xu, F.
    Influence of fresh-cut process on gamma-aminobutyric acid (GABA) metabolism and sensory properties in carrot (2022), J. Food Sci. Technol., 59, 552-561 .
No PubMed abstract available
Search for more literature for 1.2.1.19

Cloned(Commentary)

Cloned (Comment) Organism
quantitative RT-PCR AMADH enzyme expression analysis Daucus carota

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4-aminobutyraldehyde + NAD+ + H2O Daucus carota
-
 4-aminobutanoate + NADH + 2 H+
-
 ?

Organism

Organism UniProt Comment Textmining
Daucus carota
-
 cv. Chunhongerhao
-

Source Tissue

Source Tissue Comment Organism Textmining
root
-
 Daucus carota
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-aminobutyraldehyde + NAD+ + H2O
-
 Daucus carota 4-aminobutanoate + NADH + 2 H+
-
 ?

Synonyms

Synonyms Comment Organism
AMADH
-
 Daucus carota
aminoaldehyde dehydrogenase
-
 Daucus carota

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
 assay at Daucus carota

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
 assay at Daucus carota

Cofactor

Cofactor Comment Organism Structure
NAD+
-
 Daucus carota

Expression

Organism Comment Expression
Daucus carota polyamine levels (PAs) in shredded carrots are significantly lower than in the whole roots, due to the elevated activities of diamine oxidase (DAO) and polyamine oxidase (PAO), and of aminoaldehyde dehydrogenase (AMADH) and DcPAO expression level, indicating that the polyamines degradation pathway is activated and more PAs are converted to gamma-aminobutyrate (GABA). Fresh-cut procedure with carrots can induce the accumulation of GABA through activating GABA shunt and polyamines degradation pathway. GABA content in shreds increases drastically at 3 h, reaches its maximum value and then slightly decreases until the end of storage up