Localization of the auxin permease AUX1 suggests two functionally distinct hormone transport pathways operate in the Arabidopsis root apex by Ranjan Swarup and others

Primary source: pmc.ncbi.nlm.nih.gov/articles/PMC312818/

Verified locator: Genes & Development 15 (2001), 2648–2653; DOI 10.1101/gad.210501. Fig. 3: aux1-100 root phenotype and reporter, 1-NAA and 2,4D at matched concentrations. Full first-author name verified in the primary article byline.