Related Experiment Video
Updated: Mar 28, 2026

High Resolution Quantification of Crystalline Cellulose Accumulation in Arabidopsis Roots to Monitor Tissue-specific Cell Wall Modifications
Published on: May 10, 2016
Brassinosteroids Regulate Root Growth, Development, and Symbiosis
1Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China.
Abstract:
Brassinosteroids (BRs) are natural plant hormones critical for growth and development. BR deficient or signaling mutants show significantly shortened root phenotypes. However, for a long time, it was thought that these phenotypes were solely caused by reduced cell elongation in the mutant roots. Functions of BRs in regulating root development have been largely neglected. Nonetheless, recent detailed analyses, revealed that BRs are not only involved in root cell elongation but are also involved in many aspects of root development, such as maintenance of meristem size, root hair formation, lateral root initiation, gravitropic response, mycorrhiza formation, and nodulation in legume species. In this review, current findings on the functions of BRs in mediating root growth, development, and symbiosis are discussed.
Related Concept Videos
Cell Signaling in Plants
Microbe-Plant Interactions
Meristems and Plant Growth
The Roles of Bacteria and Fungi in Plant Nutrition
Short-distance Transport of Resources
Gene Regulation During Sporulation

