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- Title
DNA-based analysis of planktonic methanotrophs in a stratified lake.
- Authors
KOJIMA, HISAYA; IWATA, TOMOYA; FUKUI, MANABU
- Abstract
1. The assemblage of planktonic methanotrophs in a stratified freshwater lake was investigated. Vertical patterns were analysed by denaturing gradient gel electrophoresis, using the primer pair specific for 16S rRNA genes of type I methanotrophs. 2. The resulting banding patterns could be divided into three distinct groups, and sequenced bands were all related to the Methylobacter species. No amplicon was obtained with the primer pair specific for type II methanotrophs. 3. Cloning analysis of the pmoA gene was performed using samples from three water depths (epilimnion, metalimnion and hypolimnion). The compositions of the clone libraries from the three depths were distinct from each other but all three libraries were dominated by clones related to Methylobacter species.
- Subjects
METHANOTROPHS; FRESHWATER ecology; LAKES; DENATURING gradient gel electrophoresis; GENES; WATER depth; BACTERIA; CLONING; RNA
- Publication
Freshwater Biology, 2009, Vol 54, Issue 7, p1501
- ISSN
0046-5070
- Publication type
Article
- DOI
10.1111/j.1365-2427.2009.02199.x