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Characterization of a functional insertion sequence ISSau2 from Staphylococcus aureus

Overview of attention for article published in Mobile DNA, January 2018
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Title
Characterization of a functional insertion sequence ISSau2 from Staphylococcus aureus
Published in
Mobile DNA, January 2018
DOI 10.1186/s13100-018-0108-5
Pubmed ID
Authors

Liangliang Wang, Wei Si, Huping Xue, Xin Zhao

Abstract

ISSau2 has been suggested as a member of the IS150 f subgroup in the IS3 family. It encodes a fusion transposase OrfAB produced by programmed - 1 translational frameshifting with two overlapping reading frames orfA and orfB. To better characterize ISSau2, the binding and cleaving activities of the ISSau2 transposase and its transposition frequency were studied. The purified ISSau2 transposase OrfAB was a functional protein in vitro since it bound specifically to ISSau2 terminal inverted repeat sequences (IRs) and cleaved the transposon ends at the artificial mini-transposon pUC19-IRL-gfp-IRR. In addition, the transposition frequency of ISSau2 in vivo was approximately 1.76 ± 0.13 × 10- 3, based on a GFP hop-on assay. Furthermore, OrfB cleaved IRs with the similar catalytic activity of OrfAB, while OrfA had no catalytic activity. Finally, either OrfA or OrfB significantly reduced the transposition of ISSau2 induced by OrfAB. We have confirmed that ISSau2 is a member of IS150/IS3 family. The ISSau2 transposase OrfAB could bind to and cleave the specific fragments containing the terminal inverted repeat sequences and induce the transposition, suggesting that ISSau2 is at least partially functional. Meanwhile, both OrfA and OrfB inhibited the transposition by ISSau2. Our results will help understand biological roles of ISSau2 in its host S. aureus.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 6 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 6 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 1 17%
Researcher 1 17%
Lecturer 1 17%
Student > Master 1 17%
Unknown 2 33%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 2 33%
Agricultural and Biological Sciences 1 17%
Medicine and Dentistry 1 17%
Unknown 2 33%
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 January 2018.
All research outputs
#15,488,947
of 23,016,919 outputs
Outputs from Mobile DNA
#293
of 336 outputs
Outputs of similar age
#270,396
of 442,088 outputs
Outputs of similar age from Mobile DNA
#14
of 14 outputs
Altmetric has tracked 23,016,919 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 336 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.0. This one is in the 9th percentile – i.e., 9% of its peers scored the same or lower than it.
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We're also able to compare this research output to 14 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.