Louise Cerdeira, Rafael Nakamura-Silva, Mariana Oliveira-Silva, Elder Sano, Fernanda Esposito, Bruna Fuga, Quézia Moura, Carlos Eduardo Saraiva Miranda, Kelly Wyres, Nilton Lincopan, André Pitondo-Silva
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A novel hypermucoviscous Klebsiella pneumoniae ST3994-K2 clone belonging to Clonal Group 86.
Emergent hypervirulent Klebsiella pneumoniae has been responsible for severe diseases, representing a serious threat to public health. We report the whole-genome sequencing of a novel ST3994-K2 clone, a single locus variant of ST86 K2, which is considered a worrying hypervirulent clone that emerged in several parts of the world. The strain K. pneumonia Kpi144 was isolated in 2013 from a blood culture of a 69-year-old male patient admitted to a tertiary hospital in Teresina, state of Piauí, northeastern Brazil. The strain was susceptible to 41 antibiotics tested, presented hypermucoviscous phenotype and a virulent behavior was observed in the Galleria mellonella infection model. Moreover, the virulome showed several virulence genes. To the best of our knowledge, this is the first worldwide report of a novel ST3994-K2 K. pneumoniae clone, an SLV of ST86 K2, which is considered a worrying virulent clone that has emerged in several parts of the world, including South America and Brazil.
期刊介绍：
Pathogens and Disease publishes outstanding primary research on hypothesis- and discovery-driven studies on pathogens, host-pathogen interactions, host response to infection and their molecular and cellular correlates. It covers all pathogens – eukaryotes, prokaryotes, and viruses – and includes zoonotic pathogens and experimental translational applications.
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