¿Qué son las bacterias viables no cultivables? (revisión literaria)

Autores/as

  • María Gabriela Paraje Prof. Dra. María Gabriela Paraje
  • Lucía Tamagnini

Palabras clave:

bacterias viables no cultivables, ambiente, salud.

Resumen

La viabilidad de las células bacterianas ha sido determinada, tradicionalmente, por su habilidad para crecer y formar colonias en medios de cultivo en el laboratorio o por estudios en animales. Sin embargo, un número importante de microorganismos presentes en el ambiente aún no han podido ser cultivados. Estudios recientes han demostrado la habilidad de algunas bacterias para subsistir en un estado llamado viable no cultivable (BVNC). La exposición a diferentes tipos de estrés puede inducir la formación de este estado; no obstante las células pueden retornar a un estado cultivable (“resucitar”) bajo estímulos adecuados. En esta revisión se describen las causas y regulación del estado viable no cultivable, los métodos de detección, la “resucitación” de estas células, la repercusión en comunidades microbianas (biopelículas o biofilms) y su importancia en el ambiente, la industria alimenticia y la salud pública.

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Biografía del autor/a

  • María Gabriela Paraje, Prof. Dra. María Gabriela Paraje
    Profesora Titular Cátedra de MicrobiologíaDepartamento de FisiologíaEscuela de BiologíaFacultad de Ciencias Exactas, Físicas y Naturales  Universidad Nacional de Córdoba
    Investigadora del CONICETInstituto Multidisciplinario de Biología Vegetal (IMBIV)Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET)

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Publicado

2015-09-14

Número

Sección

Ciencias Naturales

Cómo citar

¿Qué son las bacterias viables no cultivables? (revisión literaria). (2015). Revista De La Facultad De Ciencias Exactas, Físicas Y Naturales, 2(2), 99-102. https://revistas.unc.edu.ar/index.php/FCEFyN/article/view/10745