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Article

ILR1, an amidohydrolase that releases active indole-3-acetic acid from conjugates.

Science (New York, N.Y.) - 23 Jun 1995

Bartel B, Fink G R

Abstract excerpt

In plants, the growth regulator indole-3-acetic acid (IAA) is found both free and conjugated to a variety of amino acids, peptides, and carbohydrates. IAA conjugated to leucine has effects in Arabidopsis thaliana similar to those of free IAA. The ilr1 mutant is insensitive to exogenous IAA-Leu and was used to positionally clone the Arabidopsis ILR1 gene. ILR1 encodes a 48-kilodalton protein that cleaves IAA-amino...

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Identifiers

PMID: 7792599
DOI: 10.1126/science.7792599

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

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ILR1, an amidohydrolase that releases active indole-3-acetic acid from conjugates.PMID 7792599Read ↗

Cloning and characterization of IAR1, a gene required for auxin conjugate sensitivity in Arabidopsis.Semantic proximity Read ↗

A family of auxin-conjugate hydrolases that contributes to free indole-3-acetic acid levels during Arabidopsis germination.Semantic proximity Read ↗

IAR3 encodes an auxin conjugate hydrolase from Arabidopsis.Semantic proximity Read ↗

Two homologous INDOLE-3-ACETAMIDE (IAM) HYDROLASE genes are required for the auxin effects of IAM in Arabidopsis.Semantic proximity Read ↗

Knocking down expression of the auxin-amidohydrolase IAR3 alters defense responses in Solanaceae family plants.Semantic proximity Read ↗

An Arabidopsis basic helix-loop-helix leucine zipper protein modulates metal homeostasis and auxin conjugate responsiveness.Semantic proximity Read ↗

Isolation and characterization of mutants of Arabidopsis thaliana with increased resistance to growth inhibition by indoleacetic acid-amino acid conjugates.Semantic proximity Read ↗

Arabidopsis mutants resistant to the auxin effects of indole-3-acetonitrile are defective in the nitrilase encoded by the NIT1 gene.Semantic proximity Read ↗

The CYP71A, NIT, AMI, and IAMH gene families are dispensable for indole-3-acetaldoxime-mediated auxin biosynthesis in Arabidopsis.Semantic proximity Read ↗

Evidence for Exaptation of the Marchantia polymorpha M20D Peptidase MpILR1 into the Tracheophyte Auxin Regulatory Pathway.Semantic proximity Read ↗

IAA-Ala Resistant3, an evolutionarily conserved target of miR167, mediates Arabidopsis root architecture changes during high osmotic stress.Semantic proximity Read ↗

The oxylipin signal jasmonic acid is activated by an enzyme that conjugates it to isoleucine in Arabidopsis.Semantic proximity Read ↗

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