All Articles Tagged As: transposable element
When ancient retroviruses slipped bits of their DNA into the primate genome millions of years ago, they successfully preserved their own genetic legacy. Today an estimated 8 percent of the human genetic code consists of endogenous retroviruses (ERVs)--the DNA remnants from these so-called 'selfish parasites.'
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The debate over the validity of genomic rearrangement "hotspots" has its most recent addition in a new theory put forth by researchers at the University of California San Diego. The study, published on November 9 in PLoS Computational Biology, holds that there are indeed rearrangement hotspots in the human genome.
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Evolution has mastered the art of turning trash to treasure - though, for scientists, witnessing the transformation can require a bit of patience. In new genetic research, scientists have traced the 170 million-year evolution of a piece of "junk" DNA to its modern incarnation as an important regulator of energy balance in mammals.
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 | Researchers offer a new view of what causes the greatest genetic variability among individuals - suggesting that it is due less to single point mutations than to the presence of structural changes that cause extended segments of the human genome to be missing, rearranged or present in extra copies. ...> Full Article |
 | Scientists thought that most new genes were formed from existing genes, but Cornell researchers have discovered a gene in some fruit flies that appears to be unrelated to other genes in any known genome. ...> Full Article |
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