pMEX01, a 70 kb plasmid isolated from Escherichia coli that confers resistance to multiple beta-lactam antibiotics
Por:
Hernandez-Flores J.L., Pérez J.C., Gutiérrez C.S., Hernández A.C., Alonso G.S., Hernández S.P., Gómez S.R., Fernández F., Loske A.M., Guillén J.C.
Publicada:
1 jul 2018
Ahead of Print:
1 ene 2018
Categoría:
Microbiology
Resumen:
Multidrug-resistant microorganisms are of great concern to public
health. Genetic mobile elements, such as plasmids, are among the most
relevant mechanisms by which bacteria achieve this resistance. We
obtained an Escherichia coli strain CM6, isolated from cattle presenting
severe diarrheic symptoms in the State of Queretaro, Mexico. It was
found to contain a 70 kb plasmid (pMEX01) with a high similarity to the
pHK01-like plasmids that were previously identified and described in
Hong Kong. Analysis of the pMEX01 sequence revealed the presence of a
bla(CTX-M-14 )gene, which is responsible for conferring resistance to
multiple beta-lactam antibiotics. Several genes putatively involved in
the conjugative transfer were also identified on the plasmid. The strain
CM6 is of high epidemiological concern because it not only displays
resistance to multiple p-lactam antibiotics but also to other kinds of
antibiotics. Published by Elsevier Editora Ltda. on behalf of Sociedade
Brasileira de Microbiologia.
Filiaciones:
Hernandez-Flores J.L.:
Unidad Irapuato, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Departamento de Ingeniería Genética, Irapuato, Guanajuato, Mexico
Pérez J.C.:
Universidad Autónoma de Querétaro, Facultad de Química, Querétaro, Mexico
Gutiérrez C.S.:
Universidad Autónoma de Querétaro, Facultad de Ciencias Naturales, Querétaro, Mexico
Hernández A.C.:
Universidad Autónoma de Querétaro, Facultad de Química, Querétaro, Mexico
Alonso G.S.:
Universidad Autónoma de Querétaro, Facultad de Ciencias Naturales, Querétaro, Mexico
Hernández S.P.:
Universidad Autónoma de Querétaro, Facultad de Química, Querétaro, Mexico
Gómez S.R.:
Universidad Autónoma de Querétaro, Facultad de Química, Querétaro, Mexico
Fernández F.:
Universidad Nacional Autónoma de México, Centro de Física Aplicada y Tecnología Avanzada, Querétaro, Mexico
Loske A.M.:
Universidad Nacional Autónoma de México, Centro de Física Aplicada y Tecnología Avanzada, Querétaro, Mexico
Guillén J.C.:
Universidad Autónoma de Querétaro, Facultad de Química, Querétaro, Mexico
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