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Cruz-Facundo IM, Adame-Gómez R, Castro-Alarcón N, Toribio-Jiménez J, Castro-Coronel Y, Santiago-Dionisio MC, Leyva-Vázquez MA, Tafolla-Venegas D, Ramírez-Peralta A. Enterotoxigenic profiles and submerged and interface biofilms in Bacillus cereus group isolates from foods. Rev Argent Microbiol 2023; 55:262-271. [PMID: 37019800 DOI: 10.1016/j.ram.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 04/05/2023] Open
Abstract
Biofilm formation by Bacillus cereus strains is now recognized as a systematic contamination mechanism in foods; the aim of this study was to evaluate the production of submerged and interface biofilms in strains of B. cereus group in different materials, the effect of dextrose, motility, the presence of genes related to biofilms and the enterotoxigenic profile of the strains. We determine biofilm production by safranin assay, motility on semi-solid medium, toxin gene profiling and genes related to biofilm production by PCR in B. cereus group isolated from food. In this study, we observe strains used a higher production of biofilms in PVC; in the BHI broth, no submerged biofilms were found compared to phenol red broth and phenol red broth supplemented with dextrose; no strains with the ces gene were found, the enterotoxin profile was the most common the profile that includes genes for the three enterotoxins. We observed a different distribution of tasA and sipW with the origin of isolation of the strain, being more frequent in the strains isolated from eggshell. The production and type of biofilms are differential according to the type of material and culture medium used.
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Affiliation(s)
- Itzel-Maralhi Cruz-Facundo
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Patometabolismo Microbiano, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero 39070, Mexico
| | - Roberto Adame-Gómez
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Patometabolismo Microbiano, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero 39070, Mexico
| | - Natividad Castro-Alarcón
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Microbiología, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero CP39070, Mexico
| | - Jeiry Toribio-Jiménez
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Microbiología Molecular y Biotecnología Ambiental, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero CP39070, Mexico
| | - Yaneth Castro-Coronel
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Citopatología e Histoquímica, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero CP39070, Mexico
| | - María-Cristina Santiago-Dionisio
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Análisis Microbiológicos, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero CP39070, Mexico
| | - Marco-Antonio Leyva-Vázquez
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero CP39070, Mexico
| | - David Tafolla-Venegas
- Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Biología, Laboratorio de Parasitología, Morelia, Michoacan 58004, Mexico
| | - Arturo Ramírez-Peralta
- Universidad Autónoma de Guerrero, Laboratorio de Investigación en Patometabolismo Microbiano, Facultad de Ciencias Químico Biológicas, Chilpancingo de los Bravo, Guerrero 39070, Mexico.
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Cruz-Facundo IM, Toribio-Jiménez J, Castro-Alarcón N, Leyva-Vázquez MA, Rodríguez-Ruíz HA, Pérez-Olais JH, Adame-Gómez R, Rodríguez-Bataz E, Reyes-Roldán J, Muñoz-Barrios S, Ramírez-Peralta A. Bacillus cereus in the Artisanal Cheese Production Chain in Southwestern Mexico. Microorganisms 2023; 11:1290. [PMID: 37317264 DOI: 10.3390/microorganisms11051290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/09/2023] [Accepted: 05/13/2023] [Indexed: 06/16/2023] Open
Abstract
BACKGROUND Bacillus cereus is associated with milk, dairy product, and dairy farm contamination. The aim of this study was to characterize strains of B. cereus in the small-scale artisanal cheese production chain in southwestern Mexico. METHODS 130 samples were collected. B. cereus isolation was performed on Mannitol Egg Yolk Polymyxin (MYP) agar. Genotyping, enterotoxigenic profile, and determination of genes involved in the formation of B. cereus biofilm were performed by PCR. An antimicrobial susceptibility test was made by broth microdilution assay. The phylogenetic analysis was performed by amplification and sequencing of 16s rRNA. RESULTS B. cereus sensu lato was isolated and molecularly identified in 16 samples and B. cereus sensu stricto (B. cereus) was the most frequently isolated and identified species (81.25%). Of all the isolated B. cereus sensu lato strains, 93.75% presented at least one gene for some diarrheagenic toxins, 87.5% formed biofilms, and 18.75% were amylolytic. All B. cereus sensu lato strains were resistant to beta-lactams and folate inhibitors. A close phylogenetic relationship between isolates was found between the cheese isolates and the air isolates. CONCLUSIONS Strains of B. cereus sensu lato were found in small-scale artisanal cheeses on a farm in southwestern Mexico.
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Affiliation(s)
- Itzel-Maralhi Cruz-Facundo
- Laboratorio de Investigación en Patometabolismo Microbiano, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Jeiry Toribio-Jiménez
- Laboratorio de Investigación en Microbiología Molecular y Biotecnología Ambiental, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Natividad Castro-Alarcón
- Laboratorio de Investigación en Microbiologia, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Marco-Antonio Leyva-Vázquez
- Laboratorio de Investigación en Biomedicina Molecular, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Hugo-Alberto Rodríguez-Ruíz
- Laboratorio de Investigación en Biomedicina Molecular, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
- Laboratorio de Investigación en Obesidad y Diabetes, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - José-Humberto Pérez-Olais
- Unidad de Investigación en Virología y Cancer, Hospital Infantil de México Federico Gomez, Ciudad de Mexico 06720, Mexico
| | - Roberto Adame-Gómez
- Laboratorio de Investigación en Patometabolismo Microbiano, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Elvia Rodríguez-Bataz
- Laboratorio de Investigación en Parasitologia, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Joel Reyes-Roldán
- Laboratorio de Investigación en Patometabolismo Microbiano, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Salvador Muñoz-Barrios
- Laboratorio de Investigación en Inmunotoxigenomica, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
| | - Arturo Ramírez-Peralta
- Laboratorio de Investigación en Patometabolismo Microbiano, Universidad Autónoma de Guerrero, Guerrero 39074, Mexico
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Castulo-Arcos DA, Adame-Gómez R, Castro-Alarcón N, Galán-Luciano A, Santiago Dionisio MC, Leyva-Vázquez MA, Perez-Olais JH, Toribio-Jiménez J, Ramirez-Peralta A. Genetic diversity of enterotoxigenic Bacillus cereus strains in coriander in southwestern Mexico. PeerJ 2022; 10:e13667. [PMID: 35795180 PMCID: PMC9252179 DOI: 10.7717/peerj.13667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 06/10/2022] [Indexed: 01/17/2023] Open
Abstract
Background Coriander, like other leafy green vegetables, is available all year round and is commonly consumed raw in Mexico as in other countries in the preparation of street or homemade food. Bacillus cereus (B. cereus) is a microorganism that can reach coriander because it is usually found in the soil and in some regions the vegetables are irrigated with polluted water. Therefore, the aim of this study was to determinate the presence of B. cereus in coriander used for human consumption in southwestern Mexico and determine the toxigenic profile, biofilm production, genes associated with the production of biofilms, sporulation rates, enzymatic profile, psychotropic properties, and genetic diversity of B. cereus. Methods Fresh coriander samples were collected from several vegetable retailers in different markets, microbiological analysis was performed. Molecular identification, genes related to the production of biofilm, and toxin gene profiling of B. cereus isolates were determined by PCR. The biofilm formation was measured by performing a crystal violet assay. The genetic diversity of B. cereus strains was determined by PCR of repetitive elements using oligonucleotide (GTG) 5. Results We found a frequency of B. cereus in vegetables was 20% (13/65). In this study, no strains with genes for the HBL toxin were found. In the case of genes related to biofilms, the frequency was low for sipW [5.8%, (1/17)] and tasA [11.7%, (2/17)]. B. cereus strains produce a low amount of biofilm with sporulation rates around 80%. As for genetic diversity, we observed that strains isolated from the same market, but different vegetable retailers are grouped into clusters. In the coriander marketed in southwestern Mexico, were found B. cereus strains with genes associated with the production of diarrheal toxins. Together, these results show actual information about the state of art of B. cereus strains circulating in the southwestern of Mexico.
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Affiliation(s)
- Daniel Alexander Castulo-Arcos
- Laboratorio de Investigación en Patometabolismo Microbiano/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, Mexico
| | - Roberto Adame-Gómez
- Laboratorio de Investigación en Patometabolismo Microbiano/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, Mexico
| | - Natividad Castro-Alarcón
- Laboratorio de Investigación en Microbiología/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, México
| | - Aketzalli Galán-Luciano
- Laboratorio de Investigación en Patometabolismo Microbiano/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, Mexico
| | - María Cristina Santiago Dionisio
- Laboratorio de Investigación en Análisis Microbiológicos/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, México
| | - Marco A. Leyva-Vázquez
- Laboratorio de Investigación en Biomedicina Molecular/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, México
| | - Jose-Humberto Perez-Olais
- Laboratorio de Biología Celular/Unidad Cuajimalpa, Universidad Autonoma Metropolitana, Ciudad de México, Ciudad de México, México
| | - Jeiry Toribio-Jiménez
- Laboratorio de Investigacion en Microbiologia Molecular y Biotecnologia Ambiental/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, Mexico
| | - Arturo Ramirez-Peralta
- Laboratorio de Investigación en Patometabolismo Microbiano/Facultad de Ciencias Químico Biológicas, Universidad Autonoma de Guerrero, Chilpancingo, Guerrero, Mexico
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Cruz-Facundo IM, Adame-Gómez R, Vences-Velázquez A, Rodríguez-Bataz E, Muñoz-Barrios S, Pérez-Oláis JH, Ramírez-Peralta A. Bacillus Cereus in Eggshell: Enterotoxigenic Profiles and Biofilm Production. Braz J Poult Sci 2022. [DOI: 10.1590/1806-9061-2021-1535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Adame-Gómez R, Toribio-Jimenez J, Castro-Alarcón N, Talavera-Alarcón K, Flores-Gavilan J, Pineda-Rodríguez SA, Ramírez Peralta A. Diversidad genética y factores de virulencia de cepas de Staphylococcus aureus aisladas de la piel de ubre bovina. REV MEX CIENC PECU 2021. [DOI: 10.22319/rmcp.v12i3.5646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Staphylococcus aureus es un patógeno reconocido como causa de mastitis en bovinos a nivel mundial, por lo cual el objetivo de este trabajo fue determinar la presencia de Staphylococcus aureus en la piel de pezón de la ubre bovina y relacionarlo a la presencia de mastitis, así como determinar los factores de virulencia y la diversidad genética de las cepas. En tres establos se tomaron muestras de 250 vacas de ordeña en dos temporadas del año, estiaje y lluvias. Además, se realizó la prueba de California. Staphylococcus aureus fue aislado en agar sal y manitol e identificado bioquímicamente y confirmado con la amplificación del gen femA. Para la identificación de los factores de virulencia se usaron los genes hlB, mec, saK, pvL, tsst-1, seA, seB, seC, seD y seE por PCR en punto final. Para la tipificación de S. aureus, se realizó la amplificación y restricción del gen coag. La frecuencia de S. aureus fue 13.4 %. No se encontró una relación estadística entre la presencia de S. aureus en la piel de la ubre bovina y el desarrollo de mastitis subclínica. El gen de la enterotoxina más frecuente en las cepas fue el de la enterotoxina A. Aunque el porcentaje de tipificación es bajo, se lograron identificar dos restrictotipos que agrupan cepas aisladas de diferentes vacas, lo cual evidencia la capacidad infectocontagiosa del microorganismo.
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Adame-Gómez R, Muñoz-Barrios S, Castro-Alarcón N, Leyva-Vázquez MA, Toribio-Jiménez J, Ramírez-Peralta A. Prevalence of the Strains of Bacillus cereus Group in Artisanal Mexican Cheese. Foodborne Pathog Dis 2020; 17:8-14. [DOI: 10.1089/fpd.2019.2673] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- Roberto Adame-Gómez
- Laboratorio de Investigación en Patometabolismo Microbiano, Universidad Autónoma de Guerrero, Guerrero, México
| | - Salvador Muñoz-Barrios
- Laboratorio de Investigación en Inmunotoxigenómica, Universidad Autónoma de Guerrero, Guerrero, México
| | - Natividad Castro-Alarcón
- Laboratorio de Investigación en Microbiología, Universidad Autónoma de Guerrero, Guerrero, México
| | | | - Jeiry Toribio-Jiménez
- Laboratorio de Microbiología Molecular y Biotecnología Ambiental, Universidad Autónoma de Guerrero, Guerrero, México
| | - Arturo Ramírez-Peralta
- Laboratorio de Investigación en Patometabolismo Microbiano, Universidad Autónoma de Guerrero, Guerrero, México
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