ArticleScientific reports2021
Molecular typing and antimicrobial resistance profiling of 33 mastitis-related Staphylococcus aureus isolates from cows in the Comarca Lagunera region of Mexico.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.
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12 citing papers in PubMed, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.
- Quantifying antimicrobial resistance in food-producing animals in North America.Frontiers in microbiology · 2025Pooled it
- Single-isolate genomic characterization and cgMLST allelic comparison of a bovine mastitis-associatedFrontiers in veterinary science · 2026Article
- Antimicrobial resistance and molecular characteristics of bovine mastitis-associated methicillin-resistantMicrobiology spectrum · 2025Article
- Exploring the eco-evolutionary role of plasmids and defense systems in 'Frontiers in microbiology · 2025Article
- Risk factors for dairy cows mastitis in Algeria, antibiotic resistance and molecular typing of the causative Staphylococcus aureus.Veterinary research communications · 2024Article
- Prevalence and Phage-Based Biocontrol of Methicillin-ResistantAntibiotics (Basel, Switzerland) · 2024Article
- Effectiveness of cephalosporins in hydrolysis and inhibition ofJournal of veterinary science · 2024Article
- Comprehensive whole genome analysis ofFrontiers in microbiology · 2024Article
- Article
- The Plasmidomic Landscape of Clinical Methicillin-ResistantAntibiotics (Basel, Switzerland) · 2023Article
- Comparison between Some Phenotypic and Genotypic Methods for Assessment of Antimicrobial Resistance Trend of Bovine MastitisVeterinary sciences · 2022Article
- Antimicrobial Resistance and Molecular Characterization ofAntibiotics (Basel, Switzerland) · 2022Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mastitis in cows is a major cause of economic losses and it is commonly associated with Staphylococcus aureus. Little is known about the S. aureus lineages causing mastitis in Mexican cattle. The aim of this study was to type S. aureus isolates causing mastitis in cows from the Comarca Lagunera region in Mexico in 2015-2016. Multi-locus variable number tandem repeat fingerprinting (MLVF) of 33 S. aureus isolates obtained from 210 milk samples revealed the MLVF clusters A (n = 1), B (n = 26), C (n = 5) and D (n = 1). Spa-typing showed that clusters A and B represent the spa-type t224, cluster C includes spa-types t3196 and t416, and cluster D represents spa-type t114. The different spa-types were mirrored by the masses of protein A bands as detected by Western blotting. Antimicrobial susceptibility testing showed that one isolate was susceptible to all antimicrobials tested, whereas all other strains were resistant only to benzylpenicillin. These findings show that only four S. aureus lineages, susceptible to most antimicrobials, were responsible for causing mastitis at the time of sampling. Lastly, many isolates carried the same small plasmid, designated pSAM1. The high prevalence of pSAM1 amongst the antimicrobial-susceptible isolates suggests an association with bovine colonization or mastitis rather than antimicrobial resistance.
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