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MNase titration reveals differences between nucleosome occupancy and chromatin accessibility

Overview of attention for article published in Nature Communications, May 2016
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  • In the top 25% of all research outputs scored by Altmetric
  • Good Attention Score compared to outputs of the same age (77th percentile)
  • Average Attention Score compared to outputs of the same age and source

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9 X users
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2 Wikipedia pages

Citations

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193 Dimensions

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366 Mendeley
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Title
MNase titration reveals differences between nucleosome occupancy and chromatin accessibility
Published in
Nature Communications, May 2016
DOI 10.1038/ncomms11485
Pubmed ID
Authors

Jakub Mieczkowski, April Cook, Sarah K. Bowman, Britta Mueller, Burak H. Alver, Sharmistha Kundu, Aimee M. Deaton, Jennifer A. Urban, Erica Larschan, Peter J. Park, Robert E. Kingston, Michael Y. Tolstorukov

Abstract

Chromatin accessibility plays a fundamental role in gene regulation. Nucleosome placement, usually measured by quantifying protection of DNA from enzymatic digestion, can regulate accessibility. We introduce a metric that uses micrococcal nuclease (MNase) digestion in a novel manner to measure chromatin accessibility by combining information from several digests of increasing depths. This metric, MACC (MNase accessibility), quantifies the inherent heterogeneity of nucleosome accessibility in which some nucleosomes are seen preferentially at high MNase and some at low MNase. MACC interrogates each genomic locus, measuring both nucleosome location and accessibility in the same assay. MACC can be performed either with or without a histone immunoprecipitation step, and thereby compares histone and non-histone protection. We find that changes in accessibility at enhancers, promoters and other regulatory regions do not correlate with changes in nucleosome occupancy. Moreover, high nucleosome occupancy does not necessarily preclude high accessibility, which reveals novel principles of chromatin regulation.

X Demographics

X Demographics

The data shown below were collected from the profiles of 9 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 366 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 6 2%
Netherlands 1 <1%
Germany 1 <1%
Canada 1 <1%
United Kingdom 1 <1%
Unknown 356 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 100 27%
Researcher 73 20%
Student > Bachelor 34 9%
Student > Master 29 8%
Student > Doctoral Student 22 6%
Other 36 10%
Unknown 72 20%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 153 42%
Agricultural and Biological Sciences 99 27%
Medicine and Dentistry 6 2%
Computer Science 5 1%
Engineering 5 1%
Other 19 5%
Unknown 79 22%
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 03 September 2021.
All research outputs
#4,894,961
of 25,837,817 outputs
Outputs from Nature Communications
#38,093
of 58,118 outputs
Outputs of similar age
#69,752
of 314,655 outputs
Outputs of similar age from Nature Communications
#523
of 828 outputs
Altmetric has tracked 25,837,817 research outputs across all sources so far. Compared to these this one has done well and is in the 81st percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 58,118 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 55.5. This one is in the 34th percentile – i.e., 34% 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 314,655 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 77% of its contemporaries.
We're also able to compare this research output to 828 others from the same source and published within six weeks on either side of this one. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.