Genome assembly and annotation of Meloidogyne enterolobii, an emerging arthenogenetic root-knot nematode

Koutsovoulos, Georgios D.; Poullet, Marine; Elashry, Abdelnaser; Kozlowski, Djampa K. L.; Sallet, Erika; Da Rocha, Martine; Perfus-Barbeoch, Laetitia; Martin-Jimenez, Cristina; Frey, Juerg Ernst; Ahrens, Christian H.; Kiewnick, Sebastian GND; Danchin, Etienne G. J.

Root-knot nematodes (genus Meloidogyne) are plant parasites causing huge economic loss in the agricultural industry and affecting severely numerous developing countries. Control methods against these plant pests are sparse, the preferred one being the deployment of plant cultivars bearing resistance genes against Meloidogyne species. However, M. enterolobii is not controlled by the resistance genes deployed in the crop plants cultivated in Europe. The recent identification of this species in Europe is thus a major concern. Here, we sequenced the genome of M. enterolobii using short and long-read technologies. The genome assembly spans 240 Mbp with contig N50 size of 143 kbp, enabling high-quality annotations of 59,773 coding genes, 4,068 non-coding genes, and 10,944 transposable elements (spanning 8.7% of the genome). We validated the genome size by flow cytometry and the structure, quality and completeness by bioinformatics metrics. This ensemble of resources will fuel future projects aiming at pinpointing the genome singularities, the origin, diversity, and adaptive potential of this emerging plant pest.

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Koutsovoulos, Georgios / Poullet, Marine / Elashry, Abdelnaser / et al: Genome assembly and annotation of Meloidogyne enterolobii, an emerging arthenogenetic root-knot nematode. 2020.

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