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Na+ extrusion imposes an acid load on the intraerythrocytic malaria parasite

Overview of attention for article published in Molecular & Biochemical Parasitology, April 2013
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Title
Na+ extrusion imposes an acid load on the intraerythrocytic malaria parasite
Published in
Molecular & Biochemical Parasitology, April 2013
DOI 10.1016/j.molbiopara.2013.04.004
Pubmed ID
Authors

Natalie J. Spillman, Richard J.W. Allen, Kiaran Kirk

Abstract

The intraerythrocytic malaria parasite has, on its plasma membrane, a H(+)-extruding V-type H(+)-ATPase that plays a central role in maintaining the resting cytosolic pH at around 7.3. Previous studies have demonstrated the presence in the parasite of an unknown acidification mechanism that is revealed on inhibition of the V-type H(+)-ATPase. Here we show that this acidification is dependent on the presence of extracellular Na(+), and is associated with the activity of a plasma membrane Na(+)-ATPase that is inhibited by the novel antimalarial spiroindolone NITD246 and is postulated to export Na(+) ions in counter-transport with H(+) ions. The proposed import of H(+) by the Na(+)-extruding Na(+)-ATPase necessitates "abundant H(+) pumping" by the V-type H(+)-ATPase (Ginsburg H. Abundant proton pumping in Plasmodium falciparum, but why? Trends in Parasitology 2002;18:483-6) and has significant implications for the energy budget of the parasite.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 26 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 4%
Switzerland 1 4%
Unknown 24 92%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 27%
Student > Ph. D. Student 6 23%
Student > Master 3 12%
Lecturer 2 8%
Other 2 8%
Other 4 15%
Unknown 2 8%
Readers by discipline Count As %
Agricultural and Biological Sciences 13 50%
Chemistry 4 15%
Biochemistry, Genetics and Molecular Biology 2 8%
Unspecified 1 4%
Immunology and Microbiology 1 4%
Other 3 12%
Unknown 2 8%
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 24 April 2013.
All research outputs
#20,657,128
of 25,374,917 outputs
Outputs from Molecular & Biochemical Parasitology
#1,505
of 1,713 outputs
Outputs of similar age
#158,185
of 207,222 outputs
Outputs of similar age from Molecular & Biochemical Parasitology
#10
of 16 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,713 research outputs from this source. They receive a mean Attention Score of 3.7. This one is in the 5th percentile – i.e., 5% 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 207,222 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 16 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.