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Presence of novel triple mutations in the pvdhfr from Plasmodium vivax in Mangaluru city area in the southwestern coastal region of India

Overview of attention for article published in Malaria Journal, April 2018
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Title
Presence of novel triple mutations in the pvdhfr from Plasmodium vivax in Mangaluru city area in the southwestern coastal region of India
Published in
Malaria Journal, April 2018
DOI 10.1186/s12936-018-2316-3
Pubmed ID
Authors

Shiny Joy, Susanta K. Ghosh, Rajeshwara N. Achur, D. Channe Gowda, Namita Surolia

Abstract

Genes encoding dihydrofolate reductase (dhfr) and dihydropteroate synthase (dhps) are the targets of sulfadoxine-pyrimethamine (SP) present in artemisinin based combination therapy (ACT; artesunate + sulfadoxine pyrimethamine) for Plasmodium falciparum. Although SP is generally not used to treat vivax infection, mutations in dhfr and dhps that confer antifolate resistance in Plasmodium vivax are common; which may be attributed to its sympatric existence with P. falciparum. Current study was aimed to determine the pattern of mutations in dhfr and dhps in P. vivax isolates from Mangaluru region. A total of 140 blood samples were collected from P. vivax-infected people attending Wenlock Hospital Mangaluru during July 2014 to January 2016. Out of 140 isolates, 25 (18%) and 50 (36%) isolates were selected randomly for sequence analysis of pvdhfr and pvdhps genes respectively. Fragment of pvdhps and full length pvdhfr were amplified, sequenced and analysed for single nucleotide polymorphisms. dhps was analysed by PCR-RFLP also, to detect the two specific mutations (A383G and A553G). Analysis of pvdhps sequences from 50 isolates revealed single and double mutants at 38 and 46% respectively. Three non-synonymous mutations (K55R, S58R and S117N) were identified for pvdhfr. Among these, K55R was detected for the first time. The current study indicates that P. vivax dhps and dhfr mutant alleles are prevalent in this area, suggesting significant SP pressure.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 29 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 29 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 6 21%
Student > Master 5 17%
Researcher 3 10%
Student > Bachelor 3 10%
Professor 1 3%
Other 0 0%
Unknown 11 38%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 8 28%
Medicine and Dentistry 5 17%
Agricultural and Biological Sciences 2 7%
Nursing and Health Professions 1 3%
Social Sciences 1 3%
Other 1 3%
Unknown 11 38%
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 18 April 2018.
All research outputs
#14,980,451
of 23,043,346 outputs
Outputs from Malaria Journal
#4,269
of 5,605 outputs
Outputs of similar age
#179,724
of 296,868 outputs
Outputs of similar age from Malaria Journal
#92
of 116 outputs
Altmetric has tracked 23,043,346 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,605 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 19th percentile – i.e., 19% 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 296,868 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 116 others from the same source and published within six weeks on either side of this one. This one is in the 16th percentile – i.e., 16% of its contemporaries scored the same or lower than it.