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Genome sequence of the metazoan plant-parasitic nematode Meloidogyne incognita

Pierre Abad 1 Jerome Gouzy 2 Jean-Marc Aury 3 Philippe Castagnone 1 Etienne Danchin 1 Emeline Deleury 1 Laetitia Perfus-Barbeoch 4 Véronique Anthouard 5 François Artiguenave 5 Vivian C. Blok 6 Marie-Cécile Caillaud 1 Pedro M Coutinho 7 Corinne da Silva 5 Francesca de Luca 8 Florence Deau 1 Magali Esquibet 9 Timothée Flutre 10 Jared V. Goldstone 11 Noureddine Hamamouch 12 Tarek Hewezi 13 Olivier Jaillon 3 Claire Jubin 5 Paola Leonetti 8 Marc Magliano 1 Tom R. Maier 13 Gabriel V Markov Paul Mcveigh 14 Graziano Pesole 15 Julie Poulain 5 Marc Robinson-Rechavi 16 Erika Sallet 2 Béatrice Ségurens 5 Delphine Steinbach 10 Tom Tytgat 17 Edgardo Ugarte 5 Cyril van Ghelder 1 Pasqua Veronico 8 Thomas J. Baum 13 Mark Blaxter 18 Teresa Bleve-Zacheo 8 Eric L. Davis 19 J.J. Ewbank 20 Bruno Favery 1 Eric Grenier 9 Bernard Henrissat 21 John T. Jones 6 Vincent Laudet 22 Aaron G. Maule 23 Hadi Quesneville 10 Marie-Noelle Rosso 1 Thomas Schiex 24 Geert Smant 25 Jean Weissenbach 3 Patrick Wincker 3 
Abstract : Plant-parasitic nematodes are major agricultural pests worldwide and novel approaches to control them are sorely needed. We report the draft genome sequence of the root-knot nematode Meloidogyne incognita, a biotrophic parasite of many crops, including tomato, cotton and coffee. Most of the assembled sequence of this asexually reproducing nematode, totaling 86 Mb, exists in pairs of homologous but divergent segments. This suggests that ancient allelic regions in M. incognita are evolving toward effective haploidy, permitting new mechanisms of adaptation. The number and diversity of plant cell wall-degrading enzymes in M. incognita is unprecedented in any animal for which a genome sequence is available, and may derive from multiple horizontal gene transfers from bacterial sources. Our results provide insights into the adaptations required by metazoans to successfully parasitize immunocompetent plants, and open the way for discovering new antiparasitic strategies
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Submitted on : Tuesday, September 1, 2015 - 11:53:23 AM
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Pierre Abad, Jerome Gouzy, Jean-Marc Aury, Philippe Castagnone, Etienne Danchin, et al.. Genome sequence of the metazoan plant-parasitic nematode Meloidogyne incognita. Nature Biotechnology, 2008, 26 (8), pp.909-915. ⟨10.1038/nbt.1482⟩. ⟨hal-01189285⟩



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