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Assembly of the Novel Five-Component Apicomplexan Multi-Aminoacyl-tRNA Synthetase Complex Is Driven by the Hybrid Scaffold Protein Tg-p43

Overview of attention for article published in PLOS ONE, February 2014
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Title
Assembly of the Novel Five-Component Apicomplexan Multi-Aminoacyl-tRNA Synthetase Complex Is Driven by the Hybrid Scaffold Protein Tg-p43
Published in
PLOS ONE, February 2014
DOI 10.1371/journal.pone.0089487
Pubmed ID
Authors

Jason M. van Rooyen, Jean-Benjamin Murat, Pierre-Mehdi Hammoudi, Sylvie Kieffer-Jaquinod, Yohann Coute, Amit Sharma, Hervé Pelloux, Hassan Belrhali, Mohamed-Ali Hakimi

Abstract

In Toxoplasma gondii, as in other eukaryotes, a subset of the amino-acyl-tRNA synthetases are arranged into an abundant cytoplasmic multi-aminoacyl-tRNA synthetase (MARS) complex. Through a series of genetic pull-down assays, we have identified the enzymes of this complex as: methionyl-, glutaminyl-, glutamyl-, and tyrosyl-tRNA synthetases, and we show that the N-terminal GST-like domain of a partially disordered hybrid scaffold protein, Tg-p43, is sufficient for assembly of the intact complex. Our gel filtration studies revealed significant heterogeneity in the size and composition of isolated MARS complexes. By targeting the tyrosyl-tRNA synthetases subunit, which was found exclusively in the complete 1 MDa complex, we were able to directly visualize MARS particles in the electron microscope. Image analyses of the negative stain data revealed the observed heterogeneity and instability of these complexes to be driven by the intrinsic flexibility of the domain arrangements within the MARS complex. These studies provide unique insights into the assembly of these ubiquitous but poorly understood eukaryotic complexes.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 35 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 13 37%
Student > Master 7 20%
Researcher 5 14%
Student > Bachelor 4 11%
Other 1 3%
Other 3 9%
Unknown 2 6%
Readers by discipline Count As %
Agricultural and Biological Sciences 16 46%
Biochemistry, Genetics and Molecular Biology 11 31%
Chemistry 2 6%
Nursing and Health Professions 1 3%
Immunology and Microbiology 1 3%
Other 1 3%
Unknown 3 9%
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 04 March 2015.
All research outputs
#20,263,155
of 22,793,427 outputs
Outputs from PLOS ONE
#173,649
of 194,547 outputs
Outputs of similar age
#192,981
of 224,232 outputs
Outputs of similar age from PLOS ONE
#5,028
of 5,783 outputs
Altmetric has tracked 22,793,427 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
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