The PvAURK-PvGRFs regulatory module controls salt tolerance in common bean (Phaseolus vulgaris L.).

PvAURK-PvGRF regulatory module enhances salt tolerance in common bean, with Hap2 associated with increased resilience and key SNPs strengthening protein interactions.

• Why it matters: Understanding molecular mechanisms of salt tolerance in common bean is crucial for breeding resilient crops, addressing food security under increasing soil salinity.
• What they did: Researchers conducted a GWAS on 494 diverse accessions, identified PvAURK as a key gene, and validated its interaction with PvGRF2 and PvGRF5 through in vivo and in vitro experiments, revealing their positive regulation of salt tolerance.
• The result: The study shows PvAURK modulates ROS scavenging via PvGRFs, with Hap2 being the dominant salt-tolerant haplotype, and provides KASP markers for marker-assisted breeding to improve salt resilience.