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Diversity and viability of prokaryotes in primitive soils of the Larsemann oasis (East Antarctica)

机译：拉尔斯曼绿洲（南极东部）原始土壤中原核生物的多样性和生存力

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摘要

The diversity and viability of prokaryotic communities in the primitive organomineral soils of East Antarctica have been studied; it has been shown that the total number of bacteria is smaller than and the viability of bacteria is similar to that in soils of the temperate zone. The prokaryotic communities are characterized by the occurrence of a major part of cells in filterable forms, which is higher than the analogous parameter for the temperate soils. The method of fluorescence in situ hybridization (FISH) revealed that the distribution of the main taxons is similar to that in the temperate soils: the portion of the domain Archaea is smaller than that of the domain Bacteria; the total content of Gram-negative bacteria (the phyla Proteobacteria, Acidobacteria, and Planctomycetes) is higher than that of Gram-positive bacteria (Actinobacteria). Within the phylum Proteobacteria, a significant variation of three proteobacterial classes has been noted along the profiles of the soils studied.
机译：研究了南极东部原始有机矿物土壤中原核生物群落的多样性和生存力；已经表明，细菌的总数小于温带地区土壤中的细菌，并且细菌的生存力与之相似。原核生物群落的特征是主要以可过滤形式存在细胞，这比温带土壤的类似参数高。荧光原位杂交（FISH）方法表明，主要分类单元的分布与温带土壤中的相似：古细菌域的部分小于细菌域；革兰氏阴性菌（门菌，酸性杆菌和轮菌）的总含量高于革兰氏阳性菌（放线菌）。在门的Proteobacteria中，沿着所研究的土壤分布，注意到了三种Proteobacterial类的显着变化。

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  • 来源
    《Biology Bulletin》 |2015年第2期|92-97|共6页
  • 作者

    Kudinova A. G.; Lysak L. V.; Lapygina E. V.; Soina V. S.; Mergelov N. S.;

  • 作者单位

    Moscow MV Lomonosov State Univ, Dept Soil Sci, Moscow 119991, Russia;

    Moscow MV Lomonosov State Univ, Dept Soil Sci, Moscow 119991, Russia;

    Moscow MV Lomonosov State Univ, Dept Soil Sci, Moscow 119991, Russia;

    Moscow MV Lomonosov State Univ, Dept Soil Sci, Moscow 119991, Russia;

    Russian Acad Sci, Inst Geog, Moscow 119017, Russia;

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