A Massive Research Effort Now Shows How the Genome Works <\/p>\n
By Daniel J. DeNoon WebMD Health News <\/p>\n
Reviewed by Louise Chang, MD <\/p>\n
Sept. 7, 2012 -- In what scientists call the biggest breakthrough in genetics since the unraveling of the human genome, a massive research effort now shows how the genome works. <\/p>\n
The human genome contains 3 billion letters of code containing a person's complete genetic makeup. <\/p>\n
The biggest surprise is that most of the DNA in the genome -- which had been called \"junk DNA\" because it didn't seem to do anything -- turns out to play a crucial role. While only 2% of the genome encodes actual genes, at least 80% of the genome contains millions of \"switches\" that not only turn genes on and off, but also tell them what to do and when to do it. <\/p>\n
Eleven years ago, the Human Genome Project discovered the blueprint carried by every cell in the body. The new ENCODE project now has opened the toolbox each cell uses to follow its individual part of the blueprint. The effort is the work of more than 400 researchers who performed more than 1,600 experiments. <\/p>\n
The genome, with its 3-billion-letter code, reads from beginning to end like a book. But in real life, the genome isn't read like a book. The ENCODE data shows it's an intricate dance, with each step carefully choreographed. <\/p>\n
Ewan Birney, PhD, associate director of the European Molecular Biology Laboratory, was one of the leaders of the Human Genome Project. He also helped lead the ENCODE project. <\/p>\n
\"The ENCODE data is just amazing. It shows how complex the human genome is,\" Birney said at a news conference. \"This is the science for this century. We are going to be working out how we make humans, starting out from a simple instruction manual.\" <\/p>\n<\/p>\n
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