The Journal of Microbiology

, Volume 46, Issue 2, pp 154–159 | Cite as

Different Planctomycetes diversity patterns in latitudinal surface seawater of the open sea and in sediment

Articles

Abstract

The 16S rRNA gene approach was applied to investigate the diversity of Planctomycetes in latitudinal surface seawater of the Western Pacific Ocean. The results revealed that the Pirellula-Rhodopirellula-Blastopirellula clade dominated the Planctomycetes community at all surface seawater sites while the minority genera Gemmata and Planctomyces were only found at sites H5 and H2 respectively. Although the clone frequency of the PRB clade seemed stable (between 83.3% and 94.1%) for all surface seawater sites, the retrieved Pirellula-Rhodopirellula-Blastopirellula clade presented unexpected diversity. Interestingly, low latitude seawater appeared to have higher diversity than mid-latitudes. ∫-LIBSHUFF software analysis revealed significantly different diversity patterns between in latitudinal surface seawater and in the sediment of South China Sea station M2896. Our data suggested that different hydrological and geographic features contributed to the shift of Planctomycetes diversity in marine environments. This is, to our knowledge, the first systematic assessment of Planctomycetes in latitudinal surface seawater of the open sea and the first comparison of diversity pattern between surface seawater and sediments and has broadened our understanding of Planctomycetes diversity in marine environments.

Keywords

Planctomycetes diversity seawater 16S rRNA gene 

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Copyright information

© The Microbiological Society of Korea and Springer-Verlag Berlin Heidelber GmbH 2008

Authors and Affiliations

  1. 1.State Key Laboratory of Marine Environmental ScienceXiamen UniversityXiamenP. R. China

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