Loss of an MDR Transporter in Compact Stalks of Maize br2 and Sorghum dw3 Mutants
Abstract
Agriculturally advantageous reduction in plant height is usually achieved by blocking the action or production of gibberellins. Here, we describe a different dwarfing mechanism found in maize brachytic2 (br2) mutants characterized by compact lower stalk internodes. The height reduction in these plants results from the loss of a P-glycoprotein that modulates polar auxin transport in the maize stalk. The sorghum ortholog of br2 is dwarf3 (dw3), an...
Paper Details
Title
Loss of an MDR Transporter in Compact Stalks of Maize br2 and Sorghum dw3 Mutants
Published Date
Oct 3, 2003
Journal
Volume
302
Issue
5642
Pages
81 - 84
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