ArticleVeterinary world2016
Polymorphism in spa gene of Staphylococcus aureus from bovine subclinical mastitis.
Article in Veterinary world, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 31 citations in OpenAlex.
- Genetic diversity, virulence factors and antimicrobial resistance profiles of S. aureus isolated from raw meat, meat products and veterinary samples of food-producing animals in South African provinces.BMC microbiology · 2026Article
- Individual genomic loci, transcript level, and biochemical profile of immune and antioxidant markers associated with genetically identified bacterial mastitis in Shami goats in Egypt.Open veterinary journal · 2024Article
- Cross-sectional analysis of risk factors associated withFrontiers in cellular and infection microbiology · 2024Article
- Prevalence, molecular characterization, and antimicrobial resistance amongOpen veterinary journal · 2024Article
- Antimicrobial properties of promising Zn-Fe based layered double hydroxides for the disinfection of real dairy wastewater effluents.Scientific reports · 2023Article
- Ability of biofilm production and molecular analysis of spa and ica genes among clinical isolates of methicillin-resistant Staphylococcus aureus.BMC research notes · 2020Article
- Methicillin-ResistantFrontiers in microbiology · 2020Article
- Screening method forVeterinary world · 2017Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimThe virulence-associated protein-A of Staphylococcus aureus, encoded by spa gene shows a variation in length in different strains. In this study, the spa gene variation in S. aureus strains was studied which were isolated from subclinical cases of bovine mastitis. MATERIALS AND
methodsAbout 38 isolatesof S. aureus were recovered from Holstein-Friesian (HF) crossbred (n=16) and Rathi cattle (n=22) with subclinical mastitis as per standard procedures, and these isolates were subjected to amplification of spa gene (X-region) by polymerase chain reaction and calculation of number of tandem repeats were done.
resultsOf the 16 isolates from H-F crossbred cattle, all with the exception of one isolate produced spa amplicon. Seven isolates produced amplicons of 200 bp, one produced 160 bp, and other seven produced spa amplicon of 150 bp with calculated number of 6, 5, and 4 repeats, respectively, whereas nine different types of amplicons were produced by 22 S. aureus isolates from Rathi cattle, viz., 280, 250, 240, 200, 190, 180, 170, 150, and 140 bp with 10, 8, 8, 6, 6, 6, 5, 4, and 4 repeats, respectively. One of the isolates from Rathi cattle produced two spa amplicons (150 and 190 bp).
conclusionA greater polymorphism was observed in the S. aureus isolates from Rathi cattle than from H-F crossbreds with subclinical mastitis.
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