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Dynamic DNA binding licenses a repair factor to bypass roadblocks in search of DNA lesions

Overview of attention for article published in Nature Communications, February 2016
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  • Good Attention Score compared to outputs of the same age (68th percentile)

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Title
Dynamic DNA binding licenses a repair factor to bypass roadblocks in search of DNA lesions
Published in
Nature Communications, February 2016
DOI 10.1038/ncomms10607
Pubmed ID
Authors

Maxwell W. Brown, Yoori Kim, Gregory M. Williams, John D. Huck, Jennifer A. Surtees, Ilya J. Finkelstein

Abstract

DNA-binding proteins search for specific targets via facilitated diffusion along a crowded genome. However, little is known about how crowded DNA modulates facilitated diffusion and target recognition. Here we use DNA curtains and single-molecule fluorescence imaging to investigate how Msh2-Msh3, a eukaryotic mismatch repair complex, navigates on crowded DNA. Msh2-Msh3 hops over nucleosomes and other protein roadblocks, but maintains sufficient contact with DNA to recognize a single lesion. In contrast, Msh2-Msh6 slides without hopping and is largely blocked by protein roadblocks. Remarkably, the Msh3-specific mispair-binding domain (MBD) licences a chimeric Msh2-Msh6(3MBD) to bypass nucleosomes. Our studies contrast how Msh2-Msh3 and Msh2-Msh6 navigate on a crowded genome and suggest how Msh2-Msh3 locates DNA lesions outside of replication-coupled repair. These results also provide insights into how DNA repair factors search for DNA lesions in the context of chromatin.

X Demographics

X Demographics

The data shown below were collected from the profiles of 6 X users 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 86 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 1%
Lithuania 1 1%
Unknown 84 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 19 22%
Researcher 11 13%
Student > Master 11 13%
Student > Bachelor 9 10%
Professor 6 7%
Other 15 17%
Unknown 15 17%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 29 34%
Agricultural and Biological Sciences 25 29%
Unspecified 4 5%
Medicine and Dentistry 3 3%
Physics and Astronomy 3 3%
Other 6 7%
Unknown 16 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 4. 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 28 June 2016.
All research outputs
#7,696,936
of 23,577,761 outputs
Outputs from Nature Communications
#38,451
of 49,102 outputs
Outputs of similar age
#126,608
of 400,466 outputs
Outputs of similar age from Nature Communications
#551
of 755 outputs
Altmetric has tracked 23,577,761 research outputs across all sources so far. This one has received more attention than most of these and is in the 67th percentile.
So far Altmetric has tracked 49,102 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 56.2. This one is in the 21st percentile – i.e., 21% 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 400,466 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 68% of its contemporaries.
We're also able to compare this research output to 755 others from the same source and published within six weeks on either side of this one. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.