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

Bárbara Hufnagel, André Marques, Alexandre Soriano, Laurence Marquès, Fanchon Divol, Patrick Doumas, Erika Sallet, Davide Mancinotti, Sébastien Carrere, William Marande, Sandrine Arribat, Jean Keller, Cécile Huneau, Thomas Blein, Delphine Aimé, Malika Laguerre, Jemma Taylor, Veit Schubert, Matthew Nelson, Fernando Geu-Flores, Martin Crespi, Karine Gallardo, Pierre-Marc Delaux, Jérôme Salse, Hélène Bergès, Romain Guyot, Jérôme Gouzy and Benjamin Péret ()
Additional contact information
Bárbara Hufnagel: CNRS, INRAE, SupAgro
André Marques: CNRS, INRAE, SupAgro
Alexandre Soriano: CNRS, INRAE, SupAgro
Laurence Marquès: CNRS, INRAE, SupAgro
Fanchon Divol: CNRS, INRAE, SupAgro
Patrick Doumas: CNRS, INRAE, SupAgro
Erika Sallet: INRAE, CNRS
Davide Mancinotti: University of Copenhagen
Sébastien Carrere: INRAE, CNRS
William Marande: CNRGV, INRAE
Sandrine Arribat: CNRGV, INRAE
Jean Keller: Université de Toulouse, CNRS
Cécile Huneau: INRAE GDEC
Thomas Blein: Institute of Plant Sciences Paris-Saclay
Delphine Aimé: INRAE Agroécologie
Malika Laguerre: CNRS, INRAE, SupAgro
Jemma Taylor: Royal Botanic Gardens
Veit Schubert: IPK
Matthew Nelson: Royal Botanic Gardens
Fernando Geu-Flores: University of Copenhagen
Martin Crespi: Institute of Plant Sciences Paris-Saclay
Karine Gallardo: INRAE Agroécologie
Pierre-Marc Delaux: Université de Toulouse, CNRS
Jérôme Salse: INRAE GDEC
Hélène Bergès: CNRGV, INRAE
Romain Guyot: Universidad Autónoma de Manizales
Jérôme Gouzy: INRAE, CNRS
Benjamin Péret: CNRS, INRAE, SupAgro

Nature Communications, 2020, vol. 11, issue 1, 1-12

Abstract: Abstract White 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.

Date: 2020
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DOI: 10.1038/s41467-019-14197-9

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