Research uncovers how reactive oxygen signals influence root direction in Arabidopsis under salt stress, indicating adjustment mechanisms.
Summary statement Arabidopsis thaliana roots adjust their growth away from saline environments through a tightly localised reactive oxygen signal in the root elongation zone. Disruption of this spatial control leads to exaggerated or misdirected bending, revealing how roots fine‐tune their orientation under salt stress.
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Cohen et al. (2026) studied this question.
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