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Multidrug Resistance–like Genes of Arabidopsis Required for Auxin Transport and Auxin-Mediated Development Article, publication date, and citation information can be found at
TLDR
The results indicate that these two MDR-like genes of Arabidopsis encode 1-naphthylphthalamic acid binding proteins that are required for normal auxin distribution and auxin-mediated development. Expand
Plant ABC proteins--a unified nomenclature and updated inventory.
The ABC superfamily comprises both membrane-bound transporters and soluble proteins involved in a broad range of processes, many of which are of considerable agricultural, biotechnological andExpand
Auxin transport.
Polar transport of auxin is essential for normal plant growth and development. On a cellular level, directional auxin transport is primarily controlled by an efflux carrier complex that isExpand
Arabidopsis H+-PPase AVP1 Regulates Auxin-Mediated Organ Development
TLDR
It is reported that in addition to maintaining vacuolar pH, the H+-pyrophosphatase, AVP1, controls auxin transport and consequently auxin-dependent development and facilitates the auxin fluxes that regulate organogenesis. Expand
Auxin transporters--why so many?
TLDR
An evolutionary perspective clarifies the roles of the different transporter groups in plant development and rationalizes the relative contributions of members of the respective transporter classes to the localized auxin transport streams that underlie both preprogrammed developmental changes and reactions to environmental stimuli. Expand
Loss of an MDR Transporter in Compact Stalks of Maize br2 and Sorghum dw3 Mutants
TLDR
A different dwarfing mechanism found in maize brachytic2 (br2) mutants characterized by compact lower stalk internodes is described, which results from the loss of a P-glycoprotein that modulates polar auxin transport in the maize stalk. Expand
Flavonoids act as negative regulators of auxin transport in vivo in arabidopsis.
TLDR
Analyses of auxin transport in the inflorescence and hypocotyl of independent tt4 alleles indicate that auxIn transport is elevated in plants with a tt 4 mutation, which is consistent with a role for flavonoids as endogenous regulators of Auxin transport. Expand
Interactions among PIN-FORMED and P-Glycoprotein Auxin Transporters in Arabidopsis[W]
TLDR
It is shown that PGP1 and PGP19 colocalized with PIN1 in the shoot apex in Arabidopsis thaliana and withPIN1 and PIN2 in root tissues, suggesting that PINs and PGPs characterize coordinated, independent auxin transport mechanisms but also function interactively in a tissue-specific manner. Expand
Cellular efflux of auxin catalyzed by the Arabidopsis MDR/PGP transporter AtPGP1.
TLDR
Unlike what is seen in planta, some additional transport of the benzoic acid is observed in yeast and mammalian cells expressing AtPGP1, suggesting that other factors present in plant tissues confer enhanced auxin specificity to PGP-mediated transport. Expand
Variation in Expression and Protein Localization of the PIN Family of Auxin Efflux Facilitator Proteins in Flavonoid Mutants with Altered Auxin Transport in Arabidopsis thaliana
Aglycone flavonols are thought to modulate auxin transport in Arabidopsis thaliana via an as yet undefined mechanism. Biochemical studies suggest that flavonoids interact with regulatory proteinsExpand
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