Cover illustration: Confocal images of the Arabidopsis root apex that reveal its cellular organization (background), expression of the auxin influx carrier AUXI employing a YFP fusion (bottom panel in yellow) and direct protein localization (top panel in red) as described by Kramer (pp. 45-53) and Lucas et al. (pp. 55-66). Picture courtesy of Ranjan Swarup (Plant Sciences, University of Nottingham), and Andy French and Susan UbedaTomas (Centre for Plant Integrative Biology, University of Nottingham).
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