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Appl. Environ. Microbiol. doi:10.1128/AEM.02915-07
Copyright (c) 2008, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Diversity of Uncultured Epsilonproteobacteria from Terrestrial Sulfidic Caves and Springs

University of Maryland Baltimore County, Department of Biological Sciences, Baltimore, MD 21250; Lousiana State University, Department of Geology and Geophysics, Baton Rouge, LA 70803

^* To whom correspondence should be addressed. Email: aengel{at}lsu.edu.

	Abstract

This study expands the phylogenetic diversity of Epsilonproteobacteria using the 16S rRNA gene framework. Of the 73 lineages defined by sequence similarities at or greater than 99%, most were found at only one site. In contrast, eight lineages were retrieved from sites spanning geographic distances from 1000 to >10,000 km.