Antibiotic resistance and tolerance to simulated gastrointestinal conditions of eight hemolytic Bacillus pumilus isolated from pulque, a traditional Mexican beverage

Raquel González-Vázquez, Lino Mayorga-Reyes, Armando Monroy-López, Luis A. Reyes-Nava, Yadira Rivera-Espinoza, Alejandro Azaola-Espinosa

Research output: Contribution to journalArticleResearchpeer-review

Abstract

© 2017, The Korean Society of Food Science and Technology and Springer Science+Business Media Dordrecht. Traditional fermented sap beverages from two provinces of Mexico were studied for the isolation of pathogenic bacteria from these beverages. Eight strains of hemolytic Gram positive bacteria, identified as Bacillus pumilus (B. pumilus), were isolated. They showed different antibiotic resistance profiles and tolerances to the simulated gastrointestinal conditions. All the B. pumilus isolated were resistant to at least one antibiotic tested. Regarding the simulated gastrointestinal conditions, strains S1 and S3 were able to tolerate all the conditions. Hemolytic activity has been associated with a health risk and is often considered as a virulence determinant associated with pathogenicity. Therefore, the hemolytic activity along with the ability to tolerate gastrointestinal conditions and the resistance to antibiotics exhibited by B. pumilus strains S1 and S3 could be associated with a health risk for pulque consumers.
Original languageAmerican English
Pages (from-to)447-452
Number of pages401
JournalFood Science and Biotechnology
DOIs
StatePublished - 1 Apr 2017

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beverages
Bacillus pumilus
antibiotics
Bacillus
Beverages
Microbial Drug Resistance
antibiotic resistance
Food Technology
Virulence
bacteria
health
Health
virulence
Gram-Positive Bacteria
Gram-positive bacteria
Mexico
food technology
food science
sap
pathogenicity

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González-Vázquez, Raquel ; Mayorga-Reyes, Lino ; Monroy-López, Armando ; Reyes-Nava, Luis A. ; Rivera-Espinoza, Yadira ; Azaola-Espinosa, Alejandro. / Antibiotic resistance and tolerance to simulated gastrointestinal conditions of eight hemolytic Bacillus pumilus isolated from pulque, a traditional Mexican beverage. In: Food Science and Biotechnology. 2017 ; pp. 447-452.
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Antibiotic resistance and tolerance to simulated gastrointestinal conditions of eight hemolytic Bacillus pumilus isolated from pulque, a traditional Mexican beverage. / González-Vázquez, Raquel; Mayorga-Reyes, Lino; Monroy-López, Armando; Reyes-Nava, Luis A.; Rivera-Espinoza, Yadira; Azaola-Espinosa, Alejandro.

In: Food Science and Biotechnology, 01.04.2017, p. 447-452.

Research output: Contribution to journalArticleResearchpeer-review

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AU - González-Vázquez, Raquel

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AU - Reyes-Nava, Luis A.

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AU - Azaola-Espinosa, Alejandro

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