Pan-genome-based resequencing of 2,320 accessions reveals structural variations and accelerates breeding advances in cultivated peanut.

A pan-genome analysis of 14 peanut genomes reveals structural variations and enables the development of high-yield dwarf lines, advancing peanut breeding.

• Why it matters: Genetic variation in cultivated peanut is limited, hindering breeding progress and yield improvements, which impacts food security and nutrition globally.
• What they did: Researchers constructed a graph-based pan-genome and genotyped 2,320 accessions, covering major germplasm collections, to identify structural variations and key genes linked to flowering and dwarfism.
• The result: This approach overcomes genotyping challenges from homoeologous exchanges, accelerates gene discovery, and facilitates the development of improved peanut varieties with higher yields and desirable traits.