Could the transcription factor HHO5 hold the key to breaking fertilizer dependency?
Plant Science Research WeeklyEfficient nitrogen uptake is essential for plant growth. Hinckley et al. have characterized HRS1 HOMOLOG 5 (HHO5), a transcription factor in Arabidopsis that had been previously overlooked compared to the NIGT1 family. Through a single T-DNA insertion mutation, the authors show HHO5 acts as a non-redundant…
Host transcriptional regulation shapes microbiome-mediated nitrogen uptake
Plant Science Research WeeklyNitrogen is a key nutrient for plant development, and plant nutrient acquisition is highly influenced by the rhizosphere microbiome. However, how host genomic variation and root transcriptional regulation shape microbiome assembly under field conditions remains unclear. Li and colleagues addressed this…
Unraveling Ammonium Transporter-Mediated Nitrogen Transfer in Arbuscular Mycorrhizal Symbiosis
The Plant Cell: In a NutshellJing Hui et al. identified ZmAMT3;1 as a mycorrhiza-specific ammonium transporter that transfers ammonium from fungi to plants across the plant–fungus interface and enhances nitrogen acquisition in maize. Plant Cell https://doi.org/10.1093/plcell/koac225
By Jing Hui and Lixing Yuan, China Agricultural…