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Unusual DNA folding increases the rates of mutations
DNA sequences that can fold into shapes other than the classic double helix tend to have higher mutation rates than other regions in …
Sam Sholtis
Feb 8, 2021
Evolution of the Y chromosome in great apes deciphered
Researchers have reconstructed the ancestral sequence of the great ape Y chromosome by comparing three existing (gorilla, human, and …
Sam Sholtis
Oct 6, 2020
Scientists take a step toward understanding 'jumping genes' effect on the genome
Comparisons of DNase Hypersensitive Site (DHS) signals among L1 flanking regions and control.The figure illustrates the distribution of …
Matt Swayne
Sep 29, 2020
New mutations accumulate in reproductive cells of older mice
Older mice have more new mutations – changes in DNA sequence that occur in the individual rather than being inherited from a …
Sam Sholtis
Jul 15, 2020
Connecting the dots
Millions of tiny dots litter the canvas, each independently just a splotch of unmixed pigment but together a masterpiece of illusion …
Gail McCormick
Apr 9, 2020
Tracking inheritance of human mitochondrial DNA
Mother’s age, a bottleneck, and selection affect how disease-causing mutations persist A new study by researchers at Penn State and …
Gail McCormick
Nov 18, 2019
Differences in genes’ geographic origin influence mitochondrial function
Differences in geographic origin of a person’s mitochondrial and nuclear genomes due to admixture can affect function of mitochondria, …
Gail McCormick
Jan 14, 2019
DNA structure impacts rate and accuracy of DNA synthesis
The speed and error rate of DNA Synthesis differs between regions of the genome that form the usual DNA structure (B DNA) and those …
Sam Sholtis
Nov 13, 2018
Young children’s oral bacteria may predict obesity
The composition of oral microbiota – the collection of microorganisms, including beneficial bacteria, residing in the mouth …
Gail McCormick
Sep 18, 2018
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