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A quantitative feeding assay in adult Drosophila reveals rapid modulation of food ingestion by its nutritional value

Overview of attention for article published in Molecular Brain, December 2015
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Title
A quantitative feeding assay in adult Drosophila reveals rapid modulation of food ingestion by its nutritional value
Published in
Molecular Brain, December 2015
DOI 10.1186/s13041-015-0179-x
Pubmed ID
Authors

Wei Qi, Zhe Yang, Ziao Lin, Jin-Yong Park, Greg S. B. Suh, Liming Wang

Abstract

Food intake of the adult fruit fly Drosophila melanogaster, an intermittent feeder, is attributed to several behavioral elements including foraging, feeding initiation and termination, and food ingestion. Despite the development of various feeding assays in fruit flies, how each of these behavioral elements, particularly food ingestion, is regulated remains largely uncharacterized. To this end, we have developed a manual feeding (MAFE) assay that specifically measures food ingestion of an individual fly completely independent of the other behavioral elements. This assay reliably recapitulates the effects of known feeding modulators, and offers temporal resolution in the scale of seconds. Using this assay, we find that fruit flies can rapidly assess the nutritional value of sugars within 20-30 s, and increase the ingestion of nutritive sugars after prolonged periods of starvation. Two candidate nutrient sensors, SLC5A11 and Gr43a, are required for discriminating the nutritive sugars, D-glucose and D-fructose, from their non-nutritive enantiomers, respectively. This suggests that differential sensing mechanisms play a key role in determining food nutritional value. Taken together, our MAFE assay offers a platform to specifically examine the regulation of food ingestion with excellent temporal resolution, and identifies a fast-acting neural mechanism that assesses food nutritional value and modulates food intake.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 95 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 1%
Portugal 1 1%
Unknown 93 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 32 34%
Student > Master 13 14%
Student > Bachelor 11 12%
Researcher 10 11%
Student > Doctoral Student 4 4%
Other 11 12%
Unknown 14 15%
Readers by discipline Count As %
Agricultural and Biological Sciences 39 41%
Neuroscience 19 20%
Biochemistry, Genetics and Molecular Biology 15 16%
Mathematics 1 1%
Pharmacology, Toxicology and Pharmaceutical Science 1 1%
Other 4 4%
Unknown 16 17%
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 22 December 2015.
All research outputs
#15,866,607
of 23,577,654 outputs
Outputs from Molecular Brain
#700
of 1,143 outputs
Outputs of similar age
#232,118
of 392,778 outputs
Outputs of similar age from Molecular Brain
#26
of 39 outputs
Altmetric has tracked 23,577,654 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,143 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.0. This one is in the 32nd percentile – i.e., 32% 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 392,778 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 39 others from the same source and published within six weeks on either side of this one. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.