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      The genome sequence of taurine cattle: a window to ruminant biology and evolution.

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      Science (New York, N.Y.)
      American Association for the Advancement of Science (AAAS)

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          Abstract

          To understand the biology and evolution of ruminants, the cattle genome was sequenced to about sevenfold coverage. The cattle genome contains a minimum of 22,000 genes, with a core set of 14,345 orthologs shared among seven mammalian species of which 1217 are absent or undetected in noneutherian (marsupial or monotreme) genomes. Cattle-specific evolutionary breakpoint regions in chromosomes have a higher density of segmental duplications, enrichment of repetitive elements, and species-specific variations in genes associated with lactation and immune responsiveness. Genes involved in metabolism are generally highly conserved, although five metabolic genes are deleted or extensively diverged from their human orthologs. The cattle genome sequence thus provides a resource for understanding mammalian evolution and accelerating livestock genetic improvement for milk and meat production.

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          Author and article information

          Journal
          Science
          Science (New York, N.Y.)
          American Association for the Advancement of Science (AAAS)
          1095-9203
          0036-8075
          Apr 24 2009
          : 324
          : 5926
          Article
          324/5926/522 NIHMS231121
          10.1126/science.1169588
          2943200
          19390049
          1d9f164a-db88-4546-802f-e9f04e759073
          History

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