TAILIEUCHUNG - Báo cáo sinh học : "The cattle genome reveals its secrets"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: The cattle genome reveals its secrets. | Journal of Biology BioMed Central Minireview The cattle genome reveals its secrets David W Burt Address Roslin Institute and Royal Dick School of Veterinary Studies University of Edinburgh Roslin Midlothian EH25 9PS UK. Email . Published 24 April 2009 Journal of Biology 2009 8 36 doi jbiol137 The electronic version of this article is the complete one and can be found online at http content 8 4 36 2009 BioMed Central Ltd Abstract The domesticated cow is the latest farm animal to have its genome sequenced and deciphered. The members of the Bovine Genome Consortium have published a series of papers on the assembly and what the sequence reveals so far about the biology of this ruminant and the consequences of its domestication. Cattle belong to an ancient group of mammals the Cetartiodactyla that first appeared around 60 million years ago. Domesticated cattle Bos taurus and Bos taurus indicus diverged from a common ancestor 250 000 years ago and have had a long and rich association with human civilization since Neolithic times 8 000-10 000 years ago. All modern cattle breeds originate from large populations of the ancestral aurochs Bos taurus primigenius Figure 1 through thousands of years of domestication. During this time more than 800 cattle breeds have been established representing an important resource for understanding the genetics of complex traits in ruminants. More than a billion cattle are raised annually worldwide for beef and dairy products as well as for hides. Cattle therefore represent significant scientific opportunities as well as an important economic resource. Sequencing of the cattle genome began in December 2003 led by Richard Gibbs and George Weinstock at the Baylor College of Medicine s genome sequencing center in Houston Texas USA. The first draft sequence of the bovine genome was based on DNA taken from a Hereford dam L1 Dominette 01449 Figure 2 a cattle breed used in beef production. In parallel a .

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