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Biofilm production and other virulence factors in Streptococcus spp. isolated from clinical cases of bovine mastitis in Poland

Overview of attention for article published in BMC Veterinary Research, December 2017
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Title
Biofilm production and other virulence factors in Streptococcus spp. isolated from clinical cases of bovine mastitis in Poland
Published in
BMC Veterinary Research, December 2017
DOI 10.1186/s12917-017-1322-y
Pubmed ID
Authors

Edyta Kaczorek, Joanna Małaczewska, Roman Wójcik, Andrzej Krzysztof Siwicki

Abstract

Mastitis is a common disease in dairy cattle throughout the world and causes considerable economic losses each year. An important aetiological agent of this disease is bacteria of the genus Streptococcus; hence, exploring the mechanisms of virulence in these bacteria is an extremely important step for the development of effective prevention programmes. The purpose of our study was to determine the ability to produce biofilm and the occurrence of selected invasiveness factors among bacteria of the genus Streptococcus isolated from cattle with the clinical form of mastitis in northeastern Poland. Most of the isolates analysed demonstrated an ability to produce biofilm (over 70%). Virulence genes were searched for in the three most common streptococci in our experiment: S. agalactiae, S. uberis and S. dysgalactiae. For S. agalactiae, only four genes were confirmed: rib (33%), cylE (78%), bca (37%), and cfb (100%). The genes pavA, scpB, bac and lmb were not present in any of the tested strains. The dominant serotypes of the species were Ia (n = 8) and II (n = 8), in addition to some strains that were not classified in any of the groups (n = 6). Out of the eight selected genes for S. uberis (sua, pauA/skc, gapC, cfu, lbp, hasA, hasB, hasC), only one was not found (lbp). Finally, two genes were chosen for S. dysgalactiae (eno and napr), and their presence was confirmed in 76% and 86% of the strains, respectively. The experiment showed that strains of Streptococcus spp. isolated from dairy cattle with clinical cases of mastitis in the northeastern part of Poland possess several invasiveness factors that can substantially affect the course of the disease, and this should be considered when developing targeted prevention programmes.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 51 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 51 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 8 16%
Student > Ph. D. Student 7 14%
Student > Doctoral Student 5 10%
Student > Master 5 10%
Student > Postgraduate 4 8%
Other 9 18%
Unknown 13 25%
Readers by discipline Count As %
Veterinary Science and Veterinary Medicine 12 24%
Biochemistry, Genetics and Molecular Biology 7 14%
Medicine and Dentistry 7 14%
Immunology and Microbiology 4 8%
Agricultural and Biological Sciences 3 6%
Other 7 14%
Unknown 11 22%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 January 2018.
All research outputs
#9,910,841
of 12,379,581 outputs
Outputs from BMC Veterinary Research
#1,125
of 1,747 outputs
Outputs of similar age
#244,094
of 337,417 outputs
Outputs of similar age from BMC Veterinary Research
#30
of 41 outputs
Altmetric has tracked 12,379,581 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,747 research outputs from this source. They receive a mean Attention Score of 2.8. This one is in the 18th percentile – i.e., 18% of its peers scored the same or lower than it.
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We're also able to compare this research output to 41 others from the same source and published within six weeks on either side of this one. This one is in the 7th percentile – i.e., 7% of its contemporaries scored the same or lower than it.