The banana (Musa acuminata) genome and the evolution of monocotyledonous plants

Angélique D'hont, France Denoeud, Jean Marc Aury, Franc Christophe Baurens, Françoise Carreel, Olivier Garsmeur, Benjamin Noel, Stéphanie Bocs, Gaëtan Droc, Mathieu Rouard, Corinne Da Silva, Kamel Jabbari, Céline Cardi, Julie Poulain, Marlã̈ne Souquet, Karine Labadie, Cyril Jourda, Juliette Lengellé, Marguerite Rodier-Goud, Adriana AlbertiMaria Bernard, Margot Correa, Saravanaraj Ayyampalayam, Michael R. Mckain, Jim Leebens-Mack, Diane Burgess, Mike Freeling, Didier Mbéguié-A-Mbéguié, Matthieu Chabannes, Thomas Wicker, Olivier Panaud, Jose Barbosa, Eva Hribova, Pat Heslop-Harrison, Rémy Habas, Ronan Rivallan, Philippe Francois, Claire Poiron, Andrzej Kilian, Dheema Burthia, Christophe Jenny, Frédéric Bakry, Spencer Brown, Valentin Guignon, Gert Kema, Miguel Dita, Cees Waalwijk, Steeve Joseph, Anne Dievart, Olivier Jaillon, Julie Leclercq, Xavier Argout, Eric Lyons, Ana Almeida, Mouna Jeridi, Jaroslav Dolezel, Nicolas Roux, Ange Marie Risterucci, Jean Weissenbach, Manuel Ruiz, Jean Christophe Glaszmann, Francis Quétier, Nabila Yahiaoui, Patrick Wincker

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Bananas (Musa spp.), including dessert and cooking types, are giant perennial monocotyledonous herbs of the order Zingiberales, a sister group to the well-studied Poales, which include cereals. Bananas are vital for food security in many tropical and subtropical countries and the most popular fruit in industrialized countries. The Musa domestication process started some 7,000 years ago in Southeast Asia. It involved hybridizations between diverse species and subspecies, fostered by human migrations, and selection of diploid and triploid seedless, parthenocarpic hybrids thereafter widely dispersed by vegetative propagation. Half of the current production relies on somaclones derived from a single triploid genotype (Cavendish). Pests and diseases have gradually become adapted, representing an imminent danger for global banana production. Here we describe the draft sequence of the 523-megabase genome of a Musa acuminata doubled-haploid genotype, providing a crucial stepping-stone for genetic improvement of banana. We detected three rounds of whole-genome duplications in the Musa lineage, independently of those previously described in the Poales lineage and the one we detected in the Arecales lineage. This first monocotyledon high-continuity whole-genome sequence reported outside Poales represents an essential bridge for comparative genome analysis in plants. As such, it clarifies commelinid-monocotyledon phylogenetic relationships, reveals Poaceae-specific features and has led to the discovery of conserved non-coding sequences predating monocotyledon-eudicotyledon divergence.

Original languageEnglish (US)
Pages (from-to)213-217
Number of pages5
Issue number7410
StatePublished - Aug 9 2012

ASJC Scopus subject areas

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