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The S Genome Segment Is Sufficient to Maintain Pathogenicity in Intra-Clade Lassa Virus Reassortants in a Guinea Pig Model

Overview of attention for article published in Frontiers in Cellular and Infection Microbiology, July 2018
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Title
The S Genome Segment Is Sufficient to Maintain Pathogenicity in Intra-Clade Lassa Virus Reassortants in a Guinea Pig Model
Published in
Frontiers in Cellular and Infection Microbiology, July 2018
DOI 10.3389/fcimb.2018.00240
Pubmed ID
Authors

Stephen R. Welch, Florine E. M. Scholte, César G. Albariño, Markus H. Kainulainen, JoAnn D. Coleman-McCray, Lisa Wiggleton Guerrero, Ayan K. Chakrabarti, John D. Klena, Stuart T. Nichol, Jessica R. Spengler, Christina F. Spiropoulou

Abstract

Genome reassortment in Lassa virus (LASV) has been reported in nature, but phenotypic consequences of this phenomenon are not well described. Here we characterize, both in vitro and in vivo, reassortment between 2 LASV strains: the prototypic 1976 Josiah strain and a more recently isolated 2015 Liberian strain. In vitro analysis showed that although cis- and trans-acting elements of viral RNA synthesis were compatible between strains, reassortants demonstrated different levels of viral replication. These differences were also apparent in vivo, as reassortants varied in pathogenicity in the guinea pig model of LASV infection. The reassortant variant containing the Josiah S segment retained the virulence of the parental Josiah strain, but the reassortant variant containing the S segment of the Liberian isolate was highly attenuated compared to both parental strains. Contrary to observations in reassortants between LASV and other arenavirus species, which suggest that L segment-encoded factors are responsible for virulence, these studies highlight a role for S segment-encoded virulence factors in disease, and also suggest that inefficient interactions between proteins of heterologous strains may limit the prevalence of reassortant LASV variants in nature.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 37 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 13 35%
Student > Ph. D. Student 6 16%
Student > Postgraduate 5 14%
Student > Master 5 14%
Student > Bachelor 2 5%
Other 2 5%
Unknown 4 11%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 9 24%
Immunology and Microbiology 6 16%
Medicine and Dentistry 4 11%
Nursing and Health Professions 3 8%
Agricultural and Biological Sciences 3 8%
Other 6 16%
Unknown 6 16%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 09 August 2018.
All research outputs
#14,419,368
of 23,094,276 outputs
Outputs from Frontiers in Cellular and Infection Microbiology
#2,841
of 6,563 outputs
Outputs of similar age
#185,412
of 326,767 outputs
Outputs of similar age from Frontiers in Cellular and Infection Microbiology
#57
of 98 outputs
Altmetric has tracked 23,094,276 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,563 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.5. This one has gotten more attention than average, scoring higher than 50% of its peers.
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 326,767 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 98 others from the same source and published within six weeks on either side of this one. This one is in the 37th percentile – i.e., 37% of its contemporaries scored the same or lower than it.