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Hemi-Nested PCR and RFLP Methodologies for Identifying Blood Meals of the Chagas Disease Vector, Triatoma infestans

Overview of attention for article published in PLOS ONE, September 2013
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Title
Hemi-Nested PCR and RFLP Methodologies for Identifying Blood Meals of the Chagas Disease Vector, Triatoma infestans
Published in
PLOS ONE, September 2013
DOI 10.1371/journal.pone.0074713
Pubmed ID
Authors

Dawn M. Roellig, Luis A. Gomez-Puerta, Daniel G. Mead, Jesus Pinto, Jenny Ancca-Juarez, Maritza Calderon, Caryn Bern, Robert H. Gilman, Vitaliano A. Cama

Abstract

Trypanosoma cruzi, the etiologic agent of Chagas disease, is transmitted by hematophagous reduviid bugs within the subfamily Triatominae. These vectors take blood meals from a wide range of hosts, and their feeding behaviors have been used to investigate the ecology and epidemiology of T. cruzi. In this study we describe two PCR-based methodologies that amplify a fragment of the 16S mitochondrial rDNA, aimed to improve the identification of blood meal sources for Triatoma infestans: a.--Sequence analyses of two heminested PCRs that allow the identification of mammalian and avian species, and b.--restriction fragment length polymorphism (RFLP) analysis from the mammalian PCR to identify and differentiate multi-host blood meals. Findings from both methodologies indicate that host DNA could be detected and the host species identified in samples from laboratory reared and field collected triatomines. The implications of this study are two-fold. First, these methods can be used in areas where the fauna diversity and feeding behavior of the triatomines are unknown. Secondly, the RFLP method led to the identification of multi-host DNA from T. infestans gut contents, enhancing the information provided by this assay. These tools are important contributions for ecological and epidemiological studies of vector-borne diseases.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 65 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Mexico 2 3%
Indonesia 1 2%
Chile 1 2%
Argentina 1 2%
Unknown 60 92%

Demographic breakdown

Readers by professional status Count As %
Researcher 12 18%
Student > Master 11 17%
Student > Ph. D. Student 8 12%
Student > Bachelor 6 9%
Student > Doctoral Student 6 9%
Other 13 20%
Unknown 9 14%
Readers by discipline Count As %
Agricultural and Biological Sciences 25 38%
Veterinary Science and Veterinary Medicine 6 9%
Medicine and Dentistry 6 9%
Biochemistry, Genetics and Molecular Biology 5 8%
Environmental Science 3 5%
Other 6 9%
Unknown 14 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 13 September 2013.
All research outputs
#18,347,414
of 22,721,584 outputs
Outputs from PLOS ONE
#154,206
of 193,977 outputs
Outputs of similar age
#147,703
of 198,457 outputs
Outputs of similar age from PLOS ONE
#3,724
of 4,974 outputs
Altmetric has tracked 22,721,584 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 193,977 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 15.1. This one is in the 10th percentile – i.e., 10% of its peers scored the same or lower than it.
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We're also able to compare this research output to 4,974 others from the same source and published within six weeks on either side of this one. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.