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Distribution of circular proteins in plants: large-scale mapping of cyclotides in the Violaceae

Overview of attention for article published in Frontiers in Plant Science, October 2015
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  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (80th percentile)
  • High Attention Score compared to outputs of the same age and source (91st percentile)

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Title
Distribution of circular proteins in plants: large-scale mapping of cyclotides in the Violaceae
Published in
Frontiers in Plant Science, October 2015
DOI 10.3389/fpls.2015.00855
Pubmed ID
Authors

Robert Burman, Mariamawit Y. Yeshak, Sonny Larsson, David J. Craik, K. Johan Rosengren, Ulf Göransson

Abstract

During the last decade there has been increasing interest in small circular proteins found in plants of the violet family (Violaceae). These so-called cyclotides consist of a circular chain of approximately 30 amino acids, including six cysteines forming three disulfide bonds, arranged in a cyclic cystine knot (CCK) motif. In this study we map the occurrence and distribution of cyclotides throughout the Violaceae. Plant material was obtained from herbarium sheets containing samples up to 200 years of age. Even the oldest specimens contained cyclotides in the preserved leaves, with no degradation products observable, confirming their place as one of the most stable proteins in nature. Over 200 samples covering 17 of the 23-31 genera in Violaceae were analyzed, and cyclotides were positively identified in 150 species. Each species contained a unique set of between one and 25 cyclotides, with many exclusive to individual plant species. We estimate the number of different cyclotides in the Violaceae to be 5000-25,000, and propose that cyclotides are ubiquitous among all Violaceae species. Twelve new cyclotides from six phylogenetically dispersed genera were sequenced. Furthermore, the first glycosylated derivatives of cyclotides were identified and characterized, further increasing the diversity and complexity of this unique protein family.

X Demographics

X Demographics

The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 68 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 68 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 10%
Student > Postgraduate 7 10%
Student > Doctoral Student 7 10%
Student > Master 7 10%
Student > Bachelor 5 7%
Other 13 19%
Unknown 22 32%
Readers by discipline Count As %
Agricultural and Biological Sciences 14 21%
Biochemistry, Genetics and Molecular Biology 12 18%
Chemistry 7 10%
Pharmacology, Toxicology and Pharmaceutical Science 3 4%
Medicine and Dentistry 3 4%
Other 6 9%
Unknown 23 34%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 8. 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 19 January 2016.
All research outputs
#4,077,682
of 22,831,537 outputs
Outputs from Frontiers in Plant Science
#2,134
of 20,146 outputs
Outputs of similar age
#56,434
of 284,522 outputs
Outputs of similar age from Frontiers in Plant Science
#29
of 365 outputs
Altmetric has tracked 22,831,537 research outputs across all sources so far. Compared to these this one has done well and is in the 82nd percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 20,146 research outputs from this source. They receive a mean Attention Score of 4.0. This one has done well, scoring higher than 89% of its peers.
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 284,522 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 80% of its contemporaries.
We're also able to compare this research output to 365 others from the same source and published within six weeks on either side of this one. This one has done particularly well, scoring higher than 91% of its contemporaries.