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Literature summary extracted from

  • Mukherjee, C.; Samanta, T.; Mitra, A.
    Redirection of metabolite biosynthesis from hydroxybenzoates to volatile terpenoids in green hairy roots of Daucus carota (2016), Planta, 243, 305-320 .
    View publication on PubMed

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.2.1.64 4-hydroxybenzaldehyde + NAD+ + H2O Daucus carota
-
 4-hydroxybenzoate + NADH + 2 H+
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.2.1.64 Daucus carota
-
 var. early nantes
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.2.1.64 hairy root green hairy root cultures. Hairy roots cultures of Daucus carota turn green under continuous illumination, while the content of the major phenolic compound 4-hydroxybenzoic acid is reduced to half as compared to normal hairy roots cultured in darkness. 4-Hydroxybenzaldehyde dehydrogenase (HBD) activity is suppressed in the green hairy roots and 15fold less compared to normal hairy roots. Volatile analysis of 14-day-old green hairy roots reveals higher monoterpene and sesquiterpene contents than found in normal hairy roots, methyl salicylate content is higher in normal hairy roots than in green ones, overview Daucus carota
-
1.2.1.64 root
-
 Daucus carota
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.2.1.64 0.000024
-
 green hairy roots, pH 7.5, 35°C Daucus carota
1.2.1.64 0.00036
-
 normal hairy roots, pH 7.5, 35°C Daucus carota

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.2.1.64 4-hydroxybenzaldehyde + NAD+ + H2O
-
 Daucus carota 4-hydroxybenzoate + NADH + 2 H+
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.2.1.64 HBD
-
 Daucus carota
1.2.1.64 p-hydroxybenzaldehyde dehydrogenase
-
 Daucus carota

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.2.1.64 35
-
 assay at Daucus carota

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.2.1.64 7.5
-
 assay at Daucus carota

Cofactor

EC Number Cofactor Comment Organism Structure
1.2.1.64 NAD+
-
 Daucus carota

Expression

EC Number Organism Comment Expression
1.2.1.64 Daucus carota hairy roots cultures of Daucus carota turn green under continuous illumination, while the content of the major phenolic compound 4-hydroxybenzoic acid is reduced to half as compared to normal hairy roots cultured in darkness. 4-Hydroxybenzaldehyde dehydrogenase (HBD) activity is suppressed in the green hairy roots down

General Information

EC Number General Information Comment Organism
1.2.1.64 malfunction hairy roots cultures of Daucus carota turn green under continuous illumination, while the content of the major phenolic compound 4-hydroxybenzoic acid is reduced to half as compared to normal hairy roots cultured in darkness. 4-Hydroxybenzaldehyde dehydrogenase (HBD) activity is suppressed in the green hairy roots. Volatile analysis of 14-day-old green hairy roots reveals higher monoterpene and sesquiterpene contents than found in normal hairy roots, methyl salicylate content is higher in normal hairy roots than in green ones, metabolic phenotype, overview Daucus carota
1.2.1.64 metabolism the enzyme is involved in the phenylpropanoid/hydroxybenzoate pathway in the plant, pathway overview Daucus carota
1.2.1.64 physiological function plant hydroxybenzoates are common mediators of plant responses of biotic and abiotic stress Daucus carota