- International Journal of Systematic and Evolutionary Microbiology
- Volume 47, Issue 4
f Discovery and Classification of Ecological Diversity in the Bacterial World: The Role of DNA Sequence Data
- Authors: Thomas Palys, L. K. Nakamura, Frederick M. Cohan*
- *Corresponding author. Mailing address:Department of Biology, Wesleyan University, 237 Church St., Middletown, CT 06459-0170. Phone: (860) 685-2141. Fax: (860) 685-2141. E-mail: FCohan@Wes
- Int J Syst Evol Microbiol, October 1997 47: 1145-1156, doi: 10.1099/00207713-47-4-1145
- Subject: Original Papers Relating To Systematic Bacteriology
- Published Online:
All living organisms fall into discrete clusters of closely related individuals on the basis of gene sequence similarity. Evolutionary genetic theory predicts that in the bacterial world, each sequence similarity cluster should correspond to an ecologically distinct population. Indeed, surveys of sequence diversity in protein-coding genes show that sequence clusters correspond to ecological populations. Future population surveys of protein-coding gene sequences can be expected to disclose many previously unknown ecological populations of bacteria. Sequence similarity clustering in protein-coding genes is recommended as a primary criterion for demarcating taxa.
Copyright © 1997 International Union of Microbiological Societies | Published by the Microbiology Society
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