In most plant species, initiation of lateral roots occurs above the elongation zone. However, in Cucurbitaceae it takes place in the parental root meristem. Ilina et al. investigate the first cellular events leading to...
LBD29 (LATERAL ORGAN BOUNDARIES DOMAIN 29) is an important molecule downstream of the auxin response factors ARF7 and ARF19, and has a role in lateral root formation in Arabidopsis thaliana. Feng et al. combine...