Plant flavones promote beneficial bacteria to help maize thrive without nitrogen
In short: Researchers studying maize found that certain root-derived molecules, known as flavones, help enrich a specific group of bacteria called Oxalobacteraceae in the soil. This interaction was observed to improve plant growth and nitrogen acquisition when the crops were facing nitrogen-poor conditions.
By analyzing transcriptomic gradients and performing genetic experiments, the study showed that root architecture and flavone production coordinate to recruit these microbes. While these findings reveal a genetic basis for plant-microbe feedback, the study focuses specifically on the mechanisms of nitrogen deprivation in maize.
Why it matters: Understanding how plants recruit specific microbes could help breed more nutrient-efficient crops.
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Sources
- Summary by Intellect · source: Research: Yu et al. (2021). Plant flavones enrich rhizosphere Oxalobacteraceae to improve maize performance under nitrogen deprivation. Nature plants.
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