Chromosome-scale genome assembly and annotation of Paspalum notatum Flüggé var. saurae

Author:

Vega Juan Manuel,Podio Maricel,Orjuela Julie,Siena Lorena A.,Pessino Silvina C.,Combes Marie Christine,Mariac Cedric,Albertini Emidio,Pupilli Fulvio,Ortiz Juan Pablo A.ORCID,Leblanc OlivierORCID

Abstract

AbstractPaspalum notatum Flüggé is an economically important subtropical fodder grass that is widely used in the Americas. Here, we report a new chromosome-scale genome assembly and annotation of a diploid biotype collected in the center of origin of the species. Using Oxford Nanopore long reads, we generated a 557.81 Mb genome assembly (N50 = 56.1 Mb) with high gene completeness (BUSCO = 98.73%). Genome annotation identified 320 Mb (57.86%) of repetitive elements and 45,074 gene models, of which 36,079 have a high level of confidence. Further characterisation included the identification of 59 miRNA precursors together with their putative targets. The present work provides a comprehensive genomic resource for P. notatum improvement and a reference frame for functional and evolutionary research within the genus.

Publisher

Springer Science and Business Media LLC

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