Klebsiella variicola and Klebsiella quasipneumoniae with capacity to adapt to clinical and plant settings.
Objective. To compare the genetic determinants involved in plant colonization or virulence in the reported genomes of K. variicola, K. quasipneumoniae and K. pneumoniae. Materials and methods. In silico comparisons and Jaccard analysis of genomic data were used. Fimbrial genes were detected by PCR....
| Publicado en: | Salud Pública de México Vol. 60; no. 1; pp. 29 - 41 |
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| Autores principales: | , , , , |
| Formato: | Artículo |
| Publicado: |
Instituto Nacional de Salud Publica
ene/feb2018
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| Sumario: | Objective. To compare the genetic determinants involved in plant colonization or virulence in the reported genomes of K. variicola, K. quasipneumoniae and K. pneumoniae. Materials and methods. In silico comparisons and Jaccard analysis of genomic data were used. Fimbrial genes were detected by PCR. Biological assays were performed with plant and clinical isolates. Results. Plant colonization genes such as cellulases, catalases and hemagglutinins were mainly present in K. variicola genomes. Chromosomal ß-lactamases were characteristic of this species and had been previously misclassified. K. variicola and K. pneumoniae isolates produced plant hormones. Conclusions. A mosaic distribution of different virulence- and plant-associated genes was found in K. variicola and in K. quasipneumoniae genomes. Some plant colonizing genes were found mainly in K. variicola genomes. The term plantanosis is proposed for plant-borne human infections. Objetivo. Comparar genes de colonización de plantas o de virulencia en los genomas reportados de K. variicola, K. quasipneumoniae y K. pneumoniae. Material y métodos. Se utilizaron análisis in silico y de Jaccard. Por PCR se detectaron genes de fimbrias. Se realizaron ensayos biológicos con aislados de plantas y clínicos. Resultados. Los genes de colonización de plantas como celulasas, catalasas y hemaglutininas se encontraron principalmente en genomas de K. variicola. Las ß-lactamasas cromosómicas son características de la especie y en algunos casos estaban mal clasificadas. K. variicola y K. pneumoniae producen hormonas vegetales. Conclusiones. Se encontró una distribución en mosaico de los genes de asociación con plantas y de virulencia en K. variicola y K. quasipneumoniae. Principalmente en K. variicola se encontraron algunos genes involucrados en la colonización de plantas. Se propone el término plantanosis para las infecciones humanas de origen vegetal. |
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