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Microscale spatial distributions of microbes and viruses in intertidal photosynthetic microbial mats
Carreira, C; Piel, T; Staal, M.; Stuut, J.-B; Middelboe, M.; Brussaard, C.P.D. (2015). Microscale spatial distributions of microbes and viruses in intertidal photosynthetic microbial mats. SpringerPlus 4: 239. dx.doi.org/10.1186/s40064-015-0977-8
In: SpringerPlus. Springer: Berlin. ISSN 2193-1801, meer
Peer reviewed article  

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Author keywords
    Viruses; Prokaryotes; Oxygenic photoautotrophs; Photosynthetic microbial mats; Spatial distribution

Auteurs  Top 
  • Carreira, C, meer
  • Piel, T, meer
  • Staal, M.
  • Stuut, J.-B, meer
  • Middelboe, M.
  • Brussaard, C.P.D., meer

Abstract
    Intertidal photosynthetic microbial mats from the Wadden Sea island Schiermonnikoog were examined for microscale (millimetre) spatial distributions of viruses, prokaryotes and oxygenic photoautotrophs (filamentous cyanobacteria and benthic diatoms) at different times of the year. Abundances of viruses and prokaryotes were among the highest found in benthic systems (0.05–5.43 × 1010 viruses g-1 and 0.05–2.14 × 1010 prokaryotes g-1). The spatial distribution of viruses, prokaryotes and oxygenic photoautotrophs were highly heterogeneous at mm scales. The vertical distributions of both prokaryotic and viral abundances were related to the depth of the oxygenic photoautotrophic layer, implying that the photosynthetic mat fuelled the microbial processes in the underlying layer. Our data suggest that virusescould make an important component in these productive environments potentially affecting the biodiversity and nutrient cycling within the mat.

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