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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Root apex transition zone: a signalling-response nexus in the root.

Longitudinal zonation, as well as a simple and regular anatomy, are hallmarks of the root apex. Here we focus on one particular root-apex zone, the transition zone, which is located between the apical meristem and basal elongation region. This zone has a unique role as the determiner of cell fate and root growth; this is accomplished by means of the complex system of a polar auxin transport circuit. The transition zone also integrates diverse inputs from endogenous (hormonal) and exogenous (sensorial) stimuli and translates them into signalling and motoric outputs as adaptive differential growth responses. These underlie the root-apex tropisms and other aspects of adaptive root behaviour.[1]


  1. Root apex transition zone: a signalling-response nexus in the root. Baluska, F., Mancuso, S., Volkmann, D., Barlow, P.W. Trends Plant Sci. (2010) [Pubmed]
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