Journal
JOURNAL OF EXPERIMENTAL BOTANY
Volume 64, Issue 9, Pages 2541-2555Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jxb/ert080
Keywords
auxin; auxin biosynthesis; auxin conjugates; development; IAA; IBA
Categories
Funding
- National Institutes of Health [R00 GM089987-03]
- National Science Foundation [2011101911]
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The plant hormone auxin drives plant growth and morphogenesis. The levels and distribution of the active auxin indole-3-acetic acid (IAA) are tightly controlled through synthesis, inactivation, and transport. Many auxin precursors and modified auxin forms, used to regulate auxin homeostasis, have been identified; however, very little is known about the integration of multiple auxin biosynthesis and inactivation pathways. This review discusses the many ways auxin levels are regulated through biosynthesis, storage forms, and inactivation, and the potential roles modified auxins play in regulating the bioactive pool of auxin to affect plant growth and development.
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