Sentences with phrase «ancient genes»

As we continue to unravel the genomes of more and more organisms, the contributions from this dynamic and ancient gene pool should become apparent.
In contrast, disorders that occurred equally among purebred and mixed - breed dogs appeared to represent ancient gene mutations that had become widely spread throughout the dog population.
By comparing the V. carteri germ and somatic cell transcriptomes, Matt and Umen found that the somatic cells had more transcripts from young, lineage - specific genes, whereas the germ cells had more transcripts from ancient genes that are similar to those expressed in stem cells from animals and land plants.
Indeed, beyond sequencing these two organisms, the team was also interested in identifying ancient gene families that were already present in the deuterostome ancestor.
Although counterintuitive, this is reminiscent of the way certain pluripotent stem cells in other systems express a greater number of genes — including more ancient genes — than their somatic daughter cells do.
Pontus Skoglund, who studies ancient genes at Harvard University, didn't work on the new study.
germ and somatic cell transcriptomes, Matt and Umen found that the somatic cells had more transcripts from young, lineage - specific genes, whereas the germ cells had more transcripts from ancient genes that are similar to those expressed in stem cells from animals and land plants.
When these ancient genes produce amino acids, they are rich in the amino acids most common in the Miller - Urey and similar experiments!
These fish have two distinct copies of the SWS2 gene — SWS2A and SWS2B, which arose from an ancient gene duplication event 198 million years ago in the ancestor of all spiny - finned fish.
They chose Niemann - Pick Type C, a lysosomal storage disease associated with mutations in two ancient genes that are well - conserved in many organisms.
Even if DNA could be extracted from amber - preserved tissues, it, too, would likely be in fragments, which made isolating an ancient gene a daunting prospect.
Amid the chaos of finishing their PhD theses, they have begun searching for ancient genes that might control sleep, in the hope that this might provide hints as to why sleep originally evolved.
Scientists have resurrected an ancient gene that can jump between chromosomes in the cells of zebra fish, salmon, and humans.
For example, the ancient gene for HLA - A, which helps the body resist viruses like Epstein - Barr, is present in half of all modern Europeans, more than 70 percent of Asians, and up to 95 percent of people in Papua New Guinea.
The authors suggest that altering the regulation of these fundamental and ancient genes may be harmful.
The idea of eating to compliment your ancient genes immediately made sense to me.
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