isaac Mao's personal annotations on this page
Isaacmao bookmarked
on 2009-08-08
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"This is a potential mechanism to create the neural diversity that makes each person unique," says Gage. "The brain has 100 billion neurons with 100 trillion connections, but mobile pieces of DNA could give individual neurons a slightly different capacity from each other."
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"It is known that these mobile elements are important in lower organisms, such as plants and yeast, but in mammals they are generally considered to be remnants of our past," says Gage. "Yet they are extremely abundant. Approximately 50% of the total human genome is made up of remnants of mobile elements. If this were true junk, we would be getting rid of it."
This link has been bookmarked by 2 people . It was first bookmarked on 06 Aug 2009, by Wilhelm Schaser.
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"This is a potential mechanism to create the neural diversity that makes each person unique," says Gage. "The brain has 100 billion neurons with 100 trillion connections, but mobile pieces of DNA could give individual neurons a slightly different capacity from each other."
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"It is known that these mobile elements are important in lower organisms, such as plants and yeast, but in mammals they are generally considered to be remnants of our past," says Gage. "Yet they are extremely abundant. Approximately 50% of the total human genome is made up of remnants of mobile elements. If this were true junk, we would be getting rid of it."
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Wilhelm SchaserRather than sticking to a single DNA script, human brain cells harbor astonishing genomic variability, according to scientists at the Salk Institute for Biological Studies. The findings, to be published in the Aug. 5, 2009, advance online edition of Nature, could help explain brain development and individuality, ..." http-equiv="Description
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