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Isolation of new Brazilian giant viruses from environmental samples using a panel of protozoa

Overview of attention for article published in Frontiers in Microbiology, October 2015
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  • Above-average Attention Score compared to outputs of the same age and source (53rd percentile)

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Title
Isolation of new Brazilian giant viruses from environmental samples using a panel of protozoa
Published in
Frontiers in Microbiology, October 2015
DOI 10.3389/fmicb.2015.01086
Pubmed ID
Authors

Fábio P. Dornas, Jacques Y. B. Khalil, Isabelle Pagnier, Didier Raoult, Jônatas Abrahão, Bernard La Scola

Abstract

The Megavirales are a newly described order capable of infecting different types of eukaryotic hosts. For the most part, the natural host is unknown. Several methods have been used to detect these viruses, with large discrepancies between molecular methods and co-cultures. To isolate giant viruses, we propose the use of different species of amoeba as a cellular support. The aim of this work was to isolate new Brazilian giant viruses by comparing the protozoa Acanthamoeba castellanii, A. polyphaga, A. griffini, and Vermamoeba vermiformis (VV) as a platform for cellular isolation using environmental samples. One hundred samples were collected from 3 different areas in September 2014 in the Pampulha lagoon of Belo Horizonte city, Minas Gerais, Brazil. PCR was used to identify the isolated viruses, along with hemacolor staining, labelling fluorescence and electron microscopy. A total of 69 viruses were isolated. The highest ratio of isolation was found in A. polyphaga (46.38%) and the lowest in VV (0%). Mimiviruses were the most frequently isolated. One Marseillevirus and one Pandoravirus were also isolated. With Brazilian environmental samples, we demonstrated the high rate of lineage A mimiviruses. This work demonstrates how these viruses survive and circulate in nature as well the differences between protozoa as a platform for cellular isolation.

X Demographics

X Demographics

The data shown below were collected from the profiles of 4 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 61 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 2%
Unknown 60 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 14 23%
Student > Bachelor 9 15%
Researcher 8 13%
Student > Ph. D. Student 7 11%
Student > Doctoral Student 3 5%
Other 5 8%
Unknown 15 25%
Readers by discipline Count As %
Agricultural and Biological Sciences 15 25%
Biochemistry, Genetics and Molecular Biology 10 16%
Environmental Science 4 7%
Immunology and Microbiology 4 7%
Medicine and Dentistry 3 5%
Other 5 8%
Unknown 20 33%
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 06 October 2015.
All research outputs
#15,404,089
of 24,885,505 outputs
Outputs from Frontiers in Microbiology
#12,952
of 28,434 outputs
Outputs of similar age
#145,283
of 283,886 outputs
Outputs of similar age from Frontiers in Microbiology
#182
of 432 outputs
Altmetric has tracked 24,885,505 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 28,434 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.5. 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 283,886 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 432 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 53% of its contemporaries.