Plant physiology: ARSK1, a regulator of TOR1 and mediator of P-adaptive root growth

Miguel A Rosas; Karen A Sanguinet

doi:10.1016/j.cub.2023.03.074

Plant physiology: ARSK1, a regulator of TOR1 and mediator of P-adaptive root growth

Curr Biol. 2023 May 8;33(9):R359-R361. doi: 10.1016/j.cub.2023.03.074.

Authors

Miguel A Rosas¹, Karen A Sanguinet²

Affiliations

¹ Department of Crop and Soil Sciences & Molecular Plant Sciences Graduate Program, Washington State University, Pullman, WA 91164, USA.
² Department of Crop and Soil Sciences & Molecular Plant Sciences Graduate Program, Washington State University, Pullman, WA 91164, USA. Electronic address: karen.sanguinet@wsu.edu.

PMID: 37160093
DOI: 10.1016/j.cub.2023.03.074

Abstract

Root growth inhibition under phosphorous deficiency was long hypothesized to be the result of toxic iron levels in root tips. However, a new study reveals ARSK1 and TOR1 regulate root growth within hours of phosphorous starvation prior to changes in iron accumulation.

Publication types

Comment

MeSH terms

Arabidopsis Proteins* / genetics
Arabidopsis Proteins* / metabolism
Arabidopsis* / growth & development
Iron / metabolism
Mechanistic Target of Rapamycin Complex 1* / metabolism
Mutation
Phosphorus* / deficiency
Plant Roots* / growth & development

Substances

ARSK1 protein, Arabidopsis
Arabidopsis Proteins
Phosphorus
Iron
Raptor1 protein, Arabidopsis
Mechanistic Target of Rapamycin Complex 1