Arabidopsis root development / Marijn Luijten and Renze Heidstra -- Vascular morphogenesis during root development / Ana Campilho, Ove Lindgren and Yka Helariutta -- Root epidermal development in Arabidopsis / Rebecca Horn ... ]et al.[ -- Lateral root formation / Jocelyn E. Malamy -- Adventitious root formation: new insights and perspectives / Gaia Geiss, Laurent Gutierrez and Catherine Bellini -- Root gravitropism / Ranjan Swarup and Malcolm J. Bennett -- Molecular and genetic dissection of cereal root system development / Frank Hochholdinger and Roman Zimmermann -- Fern root development / Guichuan Hou and Elison B. Blancaflor -- When plants socialize: symbioses and root development / Benjamin Peret, Sergio Svistoonoff and Laurent Laplaze -- Legume root architecture: a peculiar root system / Silvina Gonzalez-Rizzo ... ]et al.[ -- Effect of nutrient availability on root system development / Alfredo Cruz-Ramirez, Carlos Calderon-Vazquez and Luis Herrera-Estrella -- Studying root development using a genomic approach / Jose R. Dinneny and Philip N. Benfey