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Article

Cytochrome P450 CYP94B3 mediates catabolism and inactivation of the plant hormone jasmonoyl-L-isoleucine.

Proceedings of the National Academy of Sciences of the United States of America - 31 May 2011

Koo Abraham J K, Cooke Thomas F, Howe Gregg A

Abstract excerpt

The phytohormone jasmonoyl-L-isoleucine (JA-Ile) signals through the COI1-JAZ coreceptor complex to control key aspects of plant growth, development, and immune function. Despite detailed knowledge of the JA-Ile biosynthetic pathway, little is known about the genetic basis of JA-Ile catabolism and inactivation. Here, we report the identification of a wound- and jasmonate-responsive gene from Arabidopsis that...

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Identifiers

PMID: 21576464
DOI: 10.1073/pnas.1103542108
PMCID: PMC3107288

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Cytochrome P450 CYP94B3 mediates catabolism and inactivation of the plant hormone jasmonoyl-L-isoleucine.PMID 21576464Read ↗

Cytochromes P450 CYP94C1 and CYP94B3 catalyze two successive oxidation steps of plant hormone Jasmonoyl-isoleucine for catabolic turnover.Semantic proximity Read ↗

Endoplasmic reticulum-associated inactivation of the hormone jasmonoyl-L-isoleucine by multiple members of the cytochrome P450 94 family in Arabidopsis.Semantic proximity Read ↗

Arabidopsis CYP94B3 encodes jasmonyl-L-isoleucine 12-hydroxylase, a key enzyme in the oxidative catabolism of jasmonate.Semantic proximity Read ↗

Sequential oxidation of Jasmonoyl-Phenylalanine and Jasmonoyl-Isoleucine by multiple cytochrome P450 of the CYP94 family through newly identified aldehyde intermediates.Semantic proximity Read ↗

Mutations in jasmonoyl-L-isoleucine-12-hydroxylases suppress multiple JA-dependent wound responses in Arabidopsis thaliana.Semantic proximity Read ↗

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