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Aspirated bile: a major host trigger modulating respiratory pathogen colonisation in cystic fibrosis patients

Overview of attention for article published in European Journal of Clinical Microbiology & Infectious Diseases, May 2014
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Title
Aspirated bile: a major host trigger modulating respiratory pathogen colonisation in cystic fibrosis patients
Published in
European Journal of Clinical Microbiology & Infectious Diseases, May 2014
DOI 10.1007/s10096-014-2133-8
Pubmed ID
Authors

F. J. Reen, D. F. Woods, M. J. Mooij, M. N. Chróinín, D. Mullane, L. Zhou, J. Quille, D. Fitzpatrick, J. D. Glennon, G. P. McGlacken, C. Adams, F. O’Gara

Abstract

Chronic respiratory infections are a leading global cause of morbidity and mortality. However, the molecular triggers that cause respiratory pathogens to adopt persistent and often untreatable lifestyles during infection remain largely uncharacterised. Recently, bile aspiration caused by gastro-oesophageal reflux (GOR) has emerged as a significant complication associated with respiratory disease, and cystic fibrosis (CF) in particular. Based on our previous finding that the physiological concentrations of bile influence respiratory pathogens towards a chronic lifestyle in vitro, we investigated the impact of bile aspiration on the lung microbiome of respiratory patients. Sputum samples (n = 25) obtained from a cohort of paediatric CF patients were profiled for the presence of bile acids using high-resolution liquid chromatography-mass spectrometry (LC-MS). Pyrosequencing was performed on a set of ten DNA samples that were isolated from bile aspirating (n = 5) and non-bile aspirating (n = 5) patients. Both denaturing gradient gel electrophoresis (DGGE) and pyrosequencing revealed significantly reduced biodiversity and richness in the sputum samples from bile aspirating patients when compared with non-aspirating patients. Families and genera associated with the pervasive CF microbiome dominated aspirating patients, while bacteria associated with the healthy lung were most abundant in non-aspirating patients. Bile aspiration linked to GOR is emerging as a major host trigger of chronic bacterial infections. The markedly reduced biodiversity and increased colonisation by dominant proteobacterial CF-associated pathogens observed in the sputum of bile aspirating patients suggest that bile may play a major role in disease progression in CF and other respiratory diseases.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 50 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 50 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 10 20%
Researcher 8 16%
Student > Master 6 12%
Student > Bachelor 5 10%
Student > Postgraduate 4 8%
Other 5 10%
Unknown 12 24%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 24%
Medicine and Dentistry 11 22%
Biochemistry, Genetics and Molecular Biology 7 14%
Chemistry 3 6%
Computer Science 2 4%
Other 4 8%
Unknown 11 22%
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 02 June 2015.
All research outputs
#16,481,393
of 24,254,113 outputs
Outputs from European Journal of Clinical Microbiology & Infectious Diseases
#1,980
of 2,885 outputs
Outputs of similar age
#138,026
of 231,432 outputs
Outputs of similar age from European Journal of Clinical Microbiology & Infectious Diseases
#35
of 57 outputs
Altmetric has tracked 24,254,113 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,885 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.8. This one is in the 24th percentile – i.e., 24% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 231,432 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 57 others from the same source and published within six weeks on either side of this one. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.