Monkeypox virus genome sequence from an imported human case in Colombia

oleh: Katherine Laiton-Donato, Diego A. Álvarez-Díaz, Carlos Franco-Muñoz, Héctor A. Ruiz-Moreno, Paola Rojas-Estévez, Andrés Prada, Alicia Rosales, Martha Lucía Ospina, Marcela Mercado-Reyes

Format: Article
Diterbitkan: Instituto Nacional de Salud 2022-09-01

Deskripsi

Introduction: Monkeypox virus (MPXV) is an enveloped double-stranded DNA virus with a genome of approximately 197.209 bp. The current classification divides MPXV into three clades: Clade I (Central African or Congo Basin clade) and clades IIa and IIb (West African clades). Objective: To report the complete genome and phylogenetic analysis of a human monkeypox case detected in Colombia. Materials and methods: Exudate from vesicular lesions was obtained from a male patient with recent travel history to Spain. A direct genomic approach was implemented in which total DNA from the sample was purified through a column-based method, followed by sequencing on the Nanopore GridION. Reads were aligned against the MPXV reference genome using minimap2 v.2.24 and phylogenetic inference was performed using maximum likelihood estimation. Results: A total of 11.951 reads mapped directly to a reference genome with 96.8% of coverage (190.898 bp). Conclusion: Phylogenetic analysis of the MPXV circulating in Colombia demonstrated its close relationship to clade IIb responsible for the multi-country outbreak in 2022.