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Microscopy and genomic analysis of Mycoplasma parvum strain Indiana

Overview of attention for article published in Veterinary Research, August 2014
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Title
Microscopy and genomic analysis of Mycoplasma parvum strain Indiana
Published in
Veterinary Research, August 2014
DOI 10.1186/s13567-014-0086-7
Pubmed ID
Authors

Naíla C do Nascimento, Andrea P dos Santos, Yuefeng Chu, Ana MS Guimaraes, Aubrey N Baird, Ann B Weil, Joanne B Messick

Abstract

Mycoplasma parvum [Eperythrozoon parvum] is the second hemotrophic mycoplasma (hemoplasma) described in pigs. Unlike M. suis, its closest phylogenetic relative, M. parvum, is considered a non-pathogenic bacterium in this host species. Natural infection of a domestic, 6-month-old splenectomized pig with M. parvum strain Indiana is described herein. Light and scanning electron microscopy of the bacteria were performed in addition to whole genome sequencing, analysis, and comparison to the genome of M. suis strain Illinois. Neither clinical signs nor anemia were observed during the infection. Microscopy analyses revealed coccoid to rod- shaped organisms varying from 0.2 to 0.5 ¿m; they were observed individually or in short chains by both light and electron microscopy, however less than 30% of the red blood cells were infected at peak bacteremia. The single circular chromosome of M. parvum was only 564 395 bp, smaller than M. genitalium, previously considered the tiniest member of the Mollicutes. Its general genomic features were similar to others in this class and species circumscription was verified by phylogenomic analysis. A gene-by-gene comparison between M. suis and M. parvum revealed all protein coding sequences (CDS) with assigned functions were shared, including metabolic functions, transporters and putative virulence factors. However, the number of CDS in paralogous gene families was remarkably different with about half as many paralogs in M. parvum. The differences in paralogous genes may be implicated in the different pathogenic potential of these two species, however variable gene expression may also play a role. Both are areas of ongoing investigation.

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Mendeley readers

The data shown below were compiled from readership statistics for 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 33%
Researcher 6 25%
Professor 3 13%
Other 1 4%
Student > Doctoral Student 1 4%
Other 2 8%
Unknown 3 13%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 6 25%
Veterinary Science and Veterinary Medicine 5 21%
Agricultural and Biological Sciences 4 17%
Social Sciences 2 8%
Earth and Planetary Sciences 1 4%
Other 1 4%
Unknown 5 21%

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 19 August 2014.
All research outputs
#2,335,659
of 4,156,414 outputs
Outputs from Veterinary Research
#246
of 376 outputs
Outputs of similar age
#58,178
of 106,638 outputs
Outputs of similar age from Veterinary Research
#14
of 24 outputs
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So far Altmetric has tracked 376 research outputs from this source. They receive a mean Attention Score of 3.0. This one is in the 14th percentile – i.e., 14% of its peers scored the same or lower than it.
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We're also able to compare this research output to 24 others from the same source and published within six weeks on either side of this one. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.