Deciphering the Biological Processes in Root Hairs Required for Nitrogen-Self-Fertilizing Cereals

December 2023 in “ Frontiers in plant physiology ”

Simon Pree, Babak Malekian, Hans Sandén, Mogens Nicolaisen, Wolfram Weckwerth, Mette Vestergård, Katarzyna Retzer

root hairs nitrogen-fixing bacteria plant-microbiome interactions rhizosphere root hair formation root hair function atmospheric nitrogen non-destructive methods

TLDR Root hairs are key for developing cereals that can fertilize themselves with nitrogen.

This review explores the potential of developing "N-self-fertilizing" cereals to reduce the environmental impact of synthetic nitrogen fertilizers. It highlights the crucial role of root hairs in secreting exudates that attract nitrogen-fixing bacteria, thereby enhancing plant-microbiome interactions. Recent studies have provided insights into the biological processes of root hair formation and function, which are essential for shaping the rhizosphere. The review also discusses the application of this knowledge to improve cereal crops' ability to utilize atmospheric nitrogen and examines non-destructive methods for studying root hair growth in natural conditions, noting their limitations.

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Deciphering the Biological Processes in Root Hairs Required for Nitrogen-Self-Fertilizing Cereals

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