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Molecular Plant

Molecular Plant

IF: 17.1
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Transport and metabolism of the endogenous auxin precursor indole-3-butyric acid.

Published:1 May 2011 DOI: 10.1093/mp/ssr006 PMID: 21357648
Lucia C Strader, Bonnie Bartel

Abstract

Plant growth and morphogenesis depend on the levels and distribution of the plant hormone auxin. Plants tightly regulate cellular levels of the active auxin indole-3-acetic acid (IAA) through synthesis, inactivation, and transport. Although the transporters that move IAA into and out of cells are well characterized and play important roles in development, little is known about the transport of IAA precursors. In this review, we discuss the accumulating evidence suggesting that the IAA precursor indole-3-butyric acid (IBA) is transported independently of the characterized IAA transport machinery along with the recent identification of specific IBA efflux carriers and enzymes suggested to metabolize IBA. These studies have revealed important roles for IBA in maintaining IAA levels and distribution within the plant to support normal development.

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Related products
Procduct Name CAS Molecular Formula Supplier Price
Indole-3-acetic acid 87-51-4 C10H9NO2 817 suppliers $11.20-$1339.52
Indole-3-butyric acid 133-32-4 C12H13NO2 774 suppliers $10.00-$1000.00
Isobutyramide 563-83-7 C4H9NO 327 suppliers $14.00-$1647.00

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