Document Type

Article

Department/Program

Virginia Institute of Marine Science

Publication Date

3-2002

Journal

Applied and Environmental Microbiology

Volume

68

Issue

3

First Page

1478

Last Page

1484

Abstract

We analyzed the phylogenetic compositions of ammonia-oxidizing bacteria of the beta subclass of Proteobacteria from 42 Southern Ocean samples. We found a Nitrosospira-like 16S rRNA gene sequence in all 20 samples that yielded PCR products (8 of 30 samples from the Ross Sea and 12 of 12 samples from the Palmer Peninsula). We also found this sequence in Arctic Ocean samples, indicating a transpolar, if not global, distribution; however, slight differences between Arctic and Antarctic sequences may be evidence of polar endemism.

DOI

10.1128/AEM.68.3.1478-1484.2002

Keywords

Gradient Gel-Electrophoresis; Polymerase Chain-Reaction; Ribosomal-RNA Gene; Class Proteobacteria

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