The Arabidopsis O-fucosyltransferase SPINDLY regulates root hair patterning independently of gibberellin signaling.

ABSTRACT: Root hairs are able to sense soil composition and play an important role in water and nutrient uptake. In Arabidopsis thaliana, root hairs are distributed in the epidermis in a specific pattern, regularly alternating with non-root hair cells in continuous cell files. This patterning is regulated by internal factors such as a number of hormones, as well as by external factors like nutrient availability. Thus, root hair patterning is an excellent model for studying the plasticity of cell fate determination in response to environmental changes. Here, we report that loss-of-function mutants for the Protein O-fucosyltransferase SPINDLY (SPY) show defects in root hair patterning. Using transcriptional reporters, we show that patterning in spy-22 is affected upstream of GLABRA2 (GL2

SUBMITTER: Mutanwad KV 

PROVIDER: S-EPMC7567127 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature