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Nature 430, 515-516 (29 July 2004) | doi:10.1038/430515a; Published online 28 July 2004
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Division Director: Physical Biosciences Division
- Lawrence Berkeley National Laboratory
- Berkeley, California
Developer - Variation (Bioinformatician)
- European Bioinformatics Institute (EBI)
- Cambridge CB10 1SD United Kingdom
Evolutionary biology: Oceans of bacteria
Stephen Giovannoni1
Abstract
Cloning microbial genes from natural environments has revealed a surprising amount of diversity. In understanding how microorganisms function in ecosystems, how much of this diversity really matters?
On page 551 of this issue, Acinas and co-workers1 provide fresh fuel for the debate about what constitutes a bacterial species. They have analysed microbial diversity in nature using the polymerase chain reaction to clone and sequence a certain gene, the 16S ribosomal RNA gene, a widely used way of detecting organisms that defy cultivation in the laboratory2, 3.
- Stephen Giovannoni is in the Molecular and Cellular Biology Program, Department of Microbiology, Oregon State University, Corvallis, Oregon 97331, USA.
e-mail: Email: steve.giovannoni@orst.edu
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