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Two outer membrane proteins are bovine lactoferrin-binding proteins in Mannheimia haemolytica A1

Overview of attention for article published in Veterinary Research, September 2016
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Title
Two outer membrane proteins are bovine lactoferrin-binding proteins in Mannheimia haemolytica A1
Published in
Veterinary Research, September 2016
DOI 10.1186/s13567-016-0378-1
Pubmed ID
Authors

Luisa Samaniego-Barrón, Sarahí Luna-Castro, Carolina Piña-Vázquez, Francisco Suárez-Güemes, Mireya de la Garza

Abstract

Mannheimia haemolytica is a Gram negative bacterium that is part of the bovine respiratory disease, which causes important economic losses in the livestock industry. In the present work, the interaction between M. haemolytica A1 and bovine lactoferrin (BLf) was studied. This iron-chelating glycoprotein is part of the mammalian innate-immune system and is present in milk and mucosal secretions; Lf is also contained in neutrophils secondary granules, which release this glycoprotein at infection sites. It was evidenced that M. haemolytica was not able to use iron-charged BLf (BholoLf) as a sole iron source; nevertheless, iron-lacked BLf (BapoLf) showed a bactericidal effect against M. haemolytica with MIC of 4.88 ± 1.88 and 7.31 ± 1.62 μM for M. haemolytica strain F (field isolate) and M. haemolytica strain R (reference strain), respectively. Through overlay assays and 2-D electrophoresis, two OMP of 32.9 and 34.2 kDa with estimated IP of 8.18 and 9.35, respectively, were observed to bind both BapoLf and BholoLf; these OMP were identified by Maldi-Tof as OmpA (heat-modifiable OMP) and a membrane protein (porin). These M. haemolytica BLf binding proteins could be interacting in vivo with both forms of BLf depending on the iron state of the bovine.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 47 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 2%
Unknown 46 98%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 9 19%
Student > Master 7 15%
Researcher 4 9%
Student > Doctoral Student 2 4%
Professor 2 4%
Other 6 13%
Unknown 17 36%
Readers by discipline Count As %
Agricultural and Biological Sciences 11 23%
Biochemistry, Genetics and Molecular Biology 5 11%
Veterinary Science and Veterinary Medicine 4 9%
Immunology and Microbiology 4 9%
Medicine and Dentistry 2 4%
Other 2 4%
Unknown 19 40%
Attention Score in Context

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 22 September 2016.
All research outputs
#20,656,161
of 25,373,627 outputs
Outputs from Veterinary Research
#1,035
of 1,337 outputs
Outputs of similar age
#268,850
of 344,893 outputs
Outputs of similar age from Veterinary Research
#22
of 28 outputs
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We're also able to compare this research output to 28 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.