Rewiring vascular patterning through translational control in Arabidopsis

bioRxiv (Cold Spring Harbor Laboratory) 2026 Preprint

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Authors: Donghwi Ko, Raili Ruonala, Huili Liu, Ondřej Novák, Karin Ljung, Nuria De Diego, Robert Malinowski, Ykä Helariutta
DOI: 10.64898/2026.01.29.702522
Cited by: 0

Abstract

Plant vascular systems exhibit a wide developmental spectrum, from rigid woody tissues to soft, fleshy storage tissues. We show that increasing polyamine thermospermine transport into wild‑type rootstocks, together with cytokinin, reprograms xylem identity from woody to fleshy in Arabidopsis. Our findings establish thermospermine as a mobile developmental signal and suggest a strategy for engineering plant vascular architecture.

Fields of Study & Subjects

Plant Molecular Biology Research Plant nutrient uptake and metabolism Polyamine Metabolism and Applications

Publication details

Journal / source
bioRxiv (Cold Spring Harbor Laboratory)
Publication date
30 January 2026
Document type
Preprint