Sentences with phrase «without altering the expression»

Surprisingly, they did this without altering the expression of genes thought to be involved with the calcification process.

Not exact matches

The two - step process of TILT — getting sick upon toxicant exposure and failing to get well — may be driven by epigenetic changes, which occur when the environment alters the expression of genes without changing the core DNA code itself.
Monitoring mRNA could tell scientists a great deal about which genes are being expressed in a cell, and tweaking the translation of mRNA would allow them to alter gene expression without having to modify the cell's DNA.
«Margery's experiments showed that the NS1 protein can alter expression of Hedgehog target genes on its own, without other viral proteins,» said Bier, professor and newly named holder of the Tata Chancellor's Endowed Professorship in Cell and Developmental Biology.
For the first time, scientists have improved how a crop uses water by 25 percent without compromising yield by altering the expression of one gene that is found in all plants, as reported in Nature Communications.
And in 2012, they uncovered the first evidence that sleep apnea influences epigenetics, altering gene expression without changing an individual's DNA.
«This is the first example of how early environment can alter gene expression without mutating the gene itself,» Jirtle says.
DNA methylation and other epigenetic alterations — chemical changes to DNA that can alter a gene's expression without affecting its protein - coding sequence — may underlie some of the lasting biochemical havoc, Ghanei says.
The study examined DNA methylation — an «annotation» of DNA that alters gene expression without changing the genomic sequence itself — in a group of diverse Latino children.
The presence of such sequences could provide organisms with a way to modify their gene expression without altering the actual coding sequence of genes.
The activated AHR / NuRD complex altered the expression of differentiation - specific genes that control the first two developmental decisions without affecting the pluripotency program.
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