Two genetically discrete pathways convert tryptophan to auxin: More redundancy in auxin biosynthesis

Jerry D. Cohen, Janet P. Slovin, Angela M. Hendrickson

Research output: Contribution to journalShort surveypeer-review

72 Scopus citations

Abstract

The answer to the simple question of how plants make auxin has proven to be inordinately complex. Recent in planta studies in Arabidopsis have uncovered additional complexity in auxin biosynthesis. Two distinct pathways from tryptophan to the intermediate indole-acetaldoxime were identified. Genic, as well as functional redundancy, appear to be characteristic for auxin biosynthesis and plants might have evolved many different solutions for making and regulating auxin.

Original languageEnglish (US)
Pages (from-to)197-199
Number of pages3
JournalTrends in Plant Science
Volume8
Issue number5
DOIs
StatePublished - May 1 2003

Bibliographical note

Funding Information:
Work in our laboratories on auxin metabolism has been supported by grant DE-A102–94ER20153 from the US Department of Energy, by a USDA National Needs fellowship to A.M.H., the Minnesota Agricultural Experiment Station, the Gordon and Margaret Bailey Endowment for Environmental Horticulture, and by funds from the US Department of Agriculture Agricultural Research Service.

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