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Role of potassium tellurite and brain heart infusion in expression of the hemolytic phenotype of Listeria spp. on agar plates

Applied and Environmental Microbiology publish this investigation article

January 1st, 1992

The influence of potassium tellurite (PT) and brain heart infusion agar (Difco), two components of modified Listeria selective agar medium (LSAMm), on the hemolytic phenotype of Listeria spp. was studied. L. monocytogenes and L. ivanovii displayed bigger zones of hemolysis on brain heart intusion agar compared with on Columbia agar base. The addition of PT increased the sizes of zones of hemolysis displayed by L. monocytogenes. This effect seemed to be produced by the enhancement of the cytolytic effect of listeriolysin O. PT decreased the hemolysis produced by L. ivanovii, and this effect seemed to be due to an inhibition of the sphingomyelinase C produced by this species




Fernandez-Garayzabal JF., Delgado C., Blanco MM., Vazquez-Boland JA., Briones V., Suarez G. and Dominguez L..




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Role of potassium tellurite and brain heart infusion in expression of the hemolytic phenotype of Listeria spp. on agar plates

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Role of potassium tellurite and brain heart infusion in expression of the hemolytic phenotype of Listeria spp. on agar plates



Participants:

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

Universidad ComplutenseServicio de Identificación y Caracterización Microbiana (ICM). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).







Applied and Environmental Microbiology
FACTOR YEAR Q
3.818 2005

NLMID: 7605801

PMID: 1539991

ISSN: 0099-2240



TITLE: Role of potassium tellurite and brain heart infusion in expression of the hemolytic phenotype of Listeria spp. on agar plates


JOURNAL: Appl Environ Microbiol


NUMERACIÓN: 58(1):434-8


AÑO: 1992


PUBLISHER: American Society for Microbiology


AUTHORS: Fernandez-Garayzabal JF., Delgado C., Blanco MM., Vazquez-Boland JA., Briones V., Suarez G. and Dominguez L..


First
José Francisco Fernández-Garayzabal Fernández
5th
Víctor Briones Dieste
Last
Lucas Domínguez Rodríguez

DOI: https://doi.org/10.1128/aem.58.1.434-438.1992


CITE THIS PUBLICATION:

Fernandez-Garayzabal JF., Delgado C., Blanco MM., Vazquez-Boland JA., Briones V., Suarez G. and Dominguez L. Role of potassium tellurite and brain heart infusion in expression of the hemolytic phenotype of Listeria spp. on agar plates. Applied and Environmental Microbiology. 58(1):434-8. 1992. (A). ISSN: 0099-2240. DOI: 10.1128/aem.58.1.434-438.1992


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