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The utility of DNA extracted from saliva for genome-wide molecular research platforms

Overview of attention for article published in BMC Research Notes, January 2018
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  • Above-average Attention Score compared to outputs of the same age and source (58th percentile)

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Title
The utility of DNA extracted from saliva for genome-wide molecular research platforms
Published in
BMC Research Notes, January 2018
DOI 10.1186/s13104-017-3110-y
Pubmed ID
Authors

Fiona J. Bruinsma, Jihoon E. Joo, Ee Ming Wong, Graham G. Giles, Melissa C. Southey

Abstract

The study aimed to investigate the suitability of DNA extracted from saliva for high throughput molecular genotyping and DNA methylation platforms by comparing its performance with that of DNA extracted from blood. The genome-wide methylation profile, using the Infinium HumanMethylation450 Beadchip array® (Illumina, San Diego, CA), was measured for 20 DNA samples. Common genetic variation was measured, using the Infinium HumanCore Beadchip® (Illumina, San Diego, CA) for 4 samples (matching samples from 2 people). DNA from blood and saliva returned genotyping call rates and reproducibility frequencies of > 99%. High-quality DNA methylation data was obtained from both saliva and blood DNA, with average detection p-values for each sample ranging from 0.001 to 0.006. Slightly higher global DNA methylation levels were observed in whole blood DNA than saliva DNA. Correlations between individuals for each sample type were generally greater than correlations between two sample types from the same individual (Pearson's correlation, r = 0.9696 in 10 pairs of matched blood and saliva derived DNA, r = 0.9702 between saliva samples, and r = 0.9769 between blood derived DNA). Saliva yields DNA of sufficient quantity and quality to compare favourably with blood as a source of DNA for genetic and epigenetic research purposes.

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The data shown below were collected from the profiles of 3 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 65 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 65 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 17%
Researcher 7 11%
Student > Master 7 11%
Student > Bachelor 5 8%
Other 3 5%
Other 8 12%
Unknown 24 37%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 13 20%
Medicine and Dentistry 8 12%
Agricultural and Biological Sciences 4 6%
Neuroscience 3 5%
Nursing and Health Professions 1 2%
Other 5 8%
Unknown 31 48%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 02 June 2022.
All research outputs
#13,578,269
of 23,016,919 outputs
Outputs from BMC Research Notes
#1,702
of 4,283 outputs
Outputs of similar age
#220,491
of 442,249 outputs
Outputs of similar age from BMC Research Notes
#65
of 180 outputs
Altmetric has tracked 23,016,919 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,283 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.6. This one has gotten more attention than average, scoring higher than 57% 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 442,249 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 180 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 58% of its contemporaries.