Format

Send to

Choose Destination
Mol Plant. 2012 Mar;5(2):334-8. doi: 10.1093/mp/ssr104. Epub 2011 Dec 8.

Auxin biosynthesis: a simple two-step pathway converts tryptophan to indole-3-acetic acid in plants.

Author information

1
Section of Cell and Developmental Biology, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0116, USA. yundezhao@ucsd.edu

Abstract

Indole-3-acetic acid (IAA), the main naturally occurring auxin, is essential for almost every aspect of plant growth and development. However, only recently have studies finally established the first complete auxin biosynthesis pathway that converts tryptophan (Trp) to IAA in plants. Trp is first converted to indole-3-pyruvate (IPA) by the TAA family of amino transferases and subsequently IAA is produced from IPA by the YUC family of flavin monooxygenases. The two-step conversion of Trp to IAA is the main auxin biosynthesis pathway that plays an essential role in many developmental processes.

PMID:
22155950
PMCID:
PMC3309920
DOI:
10.1093/mp/ssr104
[Indexed for MEDLINE]
Free PMC Article

Supplemental Content

Full text links

Icon for Elsevier Science Icon for PubMed Central
Loading ...
Support Center