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Genetics & Genomics

Researchers predict there are an infinite number of genomes

Published in Health and Medicine Week, October 10th, 2005

Ever since the genomics revolution took off, scientists have been busily deciphering vast numbers of genomes. Cataloging. Analyzing. Comparing. Public databases hold 239 complete bacterial genomes alone.

But scientists at The Institute for Genomic Research (TIGR) have come to a startling conclusion. Armed with the powerful tools of comparative genomics and mathematics, TIGR scientists have concluded that researchers might never fully describe some bacteria and viruses - because their genomes are infinite. Sequence one strain of the species, and scientists will find significant new genes. Sequence another strain, and they will find more. And so on, infinitely.

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