The GmGDPD family regulates phosphorus efficiency in soybean and enables precision breeding with domestication-lost alleles.

ABSTRACT: Phosphorus (P) deficiency severely limits soybean productivity, yet the genetic basis of P efficiency remains underexplored. Here, we systematically identified 27 GmGDPD genes in soybean (Glycine max), revealing that family expansion was driven by segmental/tandem duplication events, accompanied by functional diversification through acquisition of protein kinases, catalytic domain-like kinase and GUB_WAK_bind domains. Transcriptome and reverse transcription quantitative PCR analyses demonstrated that genes, including GmGDPD2/9/12/14, were significantly induced under low Pi stress, correlating with enhanced root apical meristem activity. Haplotype association analysis across 559 soybean accessions identified elite haplotypes (GmGDPD4-Hap4, GmGDPD9-Hap3, GmGDPD14-Hap4, and GmGDPD12-Hap4) ass

SUBMITTER: Zuo H 

PROVIDER: S-EPMC12340341 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature