High-quality genome sequence of white lupin provides insight into soil exploration and seed quality

Author:

Hufnagel BárbaraORCID,Marques AndréORCID,Soriano Alexandre,Marquès Laurence,Divol Fanchon,Doumas Patrick,Sallet ErikaORCID,Mancinotti Davide,Carrere SébastienORCID,Marande William,Arribat Sandrine,Keller JeanORCID,Huneau Cécile,Blein Thomas,Aimé Delphine,Laguerre Malika,Taylor Jemma,Schubert Veit,Nelson Matthew,Geu-Flores Fernando,Crespi Martin,Gallardo KarineORCID,Delaux Pierre-MarcORCID,Salse JérômeORCID,Bergès Hélène,Guyot RomainORCID,Gouzy JérômeORCID,Péret BenjaminORCID

Abstract

AbstractWhite lupin (Lupinus albus L.) is an annual crop cultivated for its protein-rich seeds. It is adapted to poor soils due to the production of cluster roots, which are made of dozens of determinate lateral roots that drastically improve soil exploration and nutrient acquisition (mostly phosphate). Using long-read sequencing technologies, we provide a high-quality genome sequence of a cultivated accession of white lupin (2n = 50, 451 Mb), as well as de novo assemblies of a landrace and a wild relative. We describe a modern accession displaying increased soil exploration capacity through early establishment of lateral and cluster roots. We also show how seed quality may have been impacted by domestication in term of protein profiles and alkaloid content. The availability of a high-quality genome assembly together with companion genomic and transcriptomic resources will enable the development of modern breeding strategies to increase and stabilize white lupin yield.

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Chemistry

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