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Transcriptome and proteome of Conus planorbis identify the nicotinic receptors as primary target for the defensive venom

Overview of attention for article published in PROTEOMICS, November 2015
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Title
Transcriptome and proteome of Conus planorbis identify the nicotinic receptors as primary target for the defensive venom
Published in
PROTEOMICS, November 2015
DOI 10.1002/pmic.201500220
Pubmed ID
Authors

Ai-Hua Jin, Irina Vetter, Siddhihalu W A Himaya, Paul F Alewood, Richard J Lewis, Sébastien Dutertre

Abstract

Most venomous predators have evolved complex venom primarily to immobilize their prey and secondarily to defend against predators. In a new paradigm, carnivorous marine gastropods of the genus Conus were shown to rapidly and reversibly switch between two types of venoms in response to predatory or defensive stimulus, suggesting that the defensive use of venom may have a more important role in venom evolution and specialization than previously thought. To further investigate this phenomenon, the defensive repertoire of a vermivorous species, Conus planorbis, was deciphered using second generation sequencing coupled to high throughput proteomics. The venom gland transcriptome of C. planorbis revealed 182 unique conotoxin precursors from 25 gene superfamilies, with superfamily T dominating in terms of read and paralog numbers. Analysis of the defence-evoked venom revealed that this vermivorous species uses a similarly complex arsenal to deter aggressors as more recently evolved fish- and mollusk-hunting species, with MS/MS validating 23 conotoxin sequences from 6 superfamilies. Pharmacological characterization of the defensive venom on human receptors identified the nicotinic acetylcholine receptors as a primary target. This work provides the first insights into the composition and biological activity of specifically evolved defensive venoms in vermivorous cone snails. This article is protected by copyright. All rights reserved.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
South Africa 1 4%
Unknown 26 96%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 30%
Student > Master 5 19%
Student > Bachelor 3 11%
Student > Doctoral Student 1 4%
Other 1 4%
Other 2 7%
Unknown 7 26%
Readers by discipline Count As %
Agricultural and Biological Sciences 10 37%
Biochemistry, Genetics and Molecular Biology 5 19%
Chemistry 3 11%
Immunology and Microbiology 1 4%
Sports and Recreations 1 4%
Other 1 4%
Unknown 6 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 17 November 2015.
All research outputs
#17,302,400
of 25,394,764 outputs
Outputs from PROTEOMICS
#2,763
of 4,058 outputs
Outputs of similar age
#237,566
of 392,841 outputs
Outputs of similar age from PROTEOMICS
#37
of 76 outputs
Altmetric has tracked 25,394,764 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,058 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 24th percentile – i.e., 24% 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 392,841 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 76 others from the same source and published within six weeks on either side of this one. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.