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Ivanova AO, Dedysh SN. Abundance, diversity, and depth distribution of planctomycetes in acidic northern wetlands. Front Microbiol. 2012;3:5doi: 10.3389/fmicb.2012.00005.
Ivanova, A. O., & Dedysh, S. N. (2012). Abundance, diversity, and depth distribution of planctomycetes in acidic northern wetlands. Frontiers in microbiology, 35. https://doi.org/10.3389/fmicb.2012.00005
Ivanova, Anastasia O, and Dedysh, Svetlana N. "Abundance, diversity, and depth distribution of planctomycetes in acidic northern wetlands." Frontiers in microbiology vol. 3 (2012): 5. doi: https://doi.org/10.3389/fmicb.2012.00005
Ivanova AO, Dedysh SN. Abundance, diversity, and depth distribution of planctomycetes in acidic northern wetlands. Front Microbiol. 2012 Jan 18;3:5. doi: 10.3389/fmicb.2012.00005. eCollection 2012. PMID: 22279446; PMCID: PMC3260447.
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Front Microbiol. 2012 Jan 18;3:5. doi: 10.3389/fmicb.2012.00005. eCollection 2012.

Abundance, diversity, and depth distribution of planctomycetes in acidic northern wetlands.

Frontiers in microbiology

Anastasia O Ivanova, Svetlana N Dedysh

Affiliations

  1. Winogradsky Institute of Microbiology, Russian Academy of Sciences Moscow, Russia.

PMID: 22279446 PMCID: PMC3260447 DOI: 10.3389/fmicb.2012.00005

Abstract

Members of the bacterial phylum Planctomycetes inhabit various aquatic and terrestrial environments. In this study, fluorescence in situ hybridization (FISH) was applied to assess the abundance and depth distribution of these bacteria in nine different acidic wetlands of Northern Russia. Planctomycetes were most abundant in the oxic part of the wetland profiles. The respective cell numbers were in the range 1.1-6.7 × 10(7) cells g(-1) of wet peat, comprising 2-14% of total bacterial cells, and displaying linear correlation to the peat water pH. Most peatland sites showed a sharp decline of planctomycete abundance with depth, while in two particular sites this decline was followed by a second population maximum in an anoxic part of the bog profile. Oxic peat layers were dominated by representatives of the Isosphaera-Singulisphaera group, while anoxic peat was inhabited mostly by Zavarzinella- and Pirellula-like planctomycetes. Phylogenetically related bacteria of the candidate division OP3 were detected in both oxic and anoxic peat layers with cell densities of 0.6-4.6 × 10(6) cells g(-1) of wet peat.

Keywords: FISH; Planctomycetes; acidic northern wetlands; candidate division OP3; depth distribution

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