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Literature summary for 4.1.1.74 extracted from

  • Malhotra, M.; Srivastava, S.
    Organization of the ipdC region regulates IAA levels in different Azospirillum brasilense strains: molecular and functional analysis of ipdC in strain SM (2008), Environ. Microbiol., 10, 1365-1373.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
indole-3-acetic acid expression of ipdC is upregulated by indole-3-acetic acid, other auxins, and nutrient stress Azospirillum brasilense
L-tryptophan at low concentrations, Trp does not influence ipdC expression but 2fold induction is observed at 2.5 mM Trp Azospirillum brasilense

Cloned(Commentary)

Cloned (Comment) Organism
heterologous overexpression of a functional iaaC gene from strain Sp245 in strain SM confirms its role in controlling IAA biosynthesis and lowering ipdC expression which may be effected by dissociating indole-3-acetic acid-transcriptional regulator interactions in the 5'region Azospirillum brasilense

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3-(indol-3-yl)pyruvate Azospirillum brasilense
-
(indole-3-yl)acetaldehyde + CO2
-
?

Organism

Organism UniProt Comment Textmining
Azospirillum brasilense P51852 strain SM and its variants, strain Sp7, and strain Sp245
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3-(indol-3-yl)pyruvate
-
Azospirillum brasilense (indole-3-yl)acetaldehyde + CO2
-
?

Synonyms

Synonyms Comment Organism
Indole-3-pyruvate decarboxylase
-
Azospirillum brasilense
IpdC
-
Azospirillum brasilense

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
temperatures on either side of the growth optimum (30°C) are found to alter ipdC expression significantly. At 25°C a 48% increase and at 37°C an 86% increase are noted Azospirillum brasilense

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
expression of ipdC is upregulated by temperature Azospirillum brasilense

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.2
-
external pH influences ipdC expression as maximum expression is observed at the alkaline pH of 8.2 (69% increase) while highly acidic pH decreases the expression level. At pH 4.2, expression is ca. 32% of that observed at pH 7.0 Azospirillum brasilense

pH Stability

pH Stability pH Stability Maximum Comment Organism
additional information
-
expression of ipdC is upregulated by an increase in pH Azospirillum brasilense