Genetic analysis of root development

Abstract

The development of roots represents a useful system to study many aspects of plant morphogenesis. Roots display a relatively simple growth pattern and possess radial symmetry in their cell layers. These features aid studies of pattern formation, meristem activity, and cell differentiation. Recent genetic approaches to the study of root development have focused on Arabidopsis thaliana. This research has led to the identification of several genes that regulate morphogenesis in roots. Genes have also been identified that are involved in the ability of roots to respond to various external stimuli, including gravity and obstacles.