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- Title
Function and induction of the root barrier to radial O<sub>2</sub> loss. A commentary on 'Exogenous abscisic acid induces the formation of a suberized barrier to radial oxygen loss in adventitious roots of barley (Hordeum vulgare)'.
- Authors
Pedersen, Ole; Jiménez, Juan de la Cruz
- Abstract
The article discusses the function and induction of the root barrier to radial oxygen loss in plants. The outer apoplastic barriers in roots serve multiple functions, including restricting the entry of soil phytotoxins and retaining water or oxygen inside the root. These barriers can be induced by environmental signals and involve the deposition of biopolymers in the cell walls of the outer part of the root. The study focuses on the role of abscisic acid (ABA) in inducing suberization of the exodermis in barley plants, which restricts radial oxygen loss. The research highlights the importance of understanding the molecular regulation mechanisms of suberin biosynthesis and the potential for using ABA to accelerate cultivar development.
- Subjects
HORDEUM; BARLEY; GREENHOUSE gas mitigation; GREENHOUSE gases
- Publication
Annals of Botany, 2024, Vol 133, Issue 7, pi
- ISSN
0305-7364
- Publication type
Article
- DOI
10.1093/aob/mcae036