About: Bacterial community analysis in river hyporheic sediments - the influence of depth and particle size.     Goto   Sponge   NotDistinct   Permalink

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Description
  • The abundance, distribution and bacterial community structure of hyporheic sediments was characterized by both DAPI-staining and fluorescence in situ hybridization (FISH) with fluorescently labelled 16S rRNA-targeted oligonucleotide probes. The total abundance of bacteria was dependent on both particle size and depth from which each size fraction was sampled, and showed no clear trend with increasing sediment depth. The abundance of sediment-associated Eubacteria (on average 35 % of DAPI-stained cells) declined with depth, while Archaea (on average 8% of DAPI-stained cells) showed no gradient in abundance with increasing depth. Our findings confirm that Archaea may occur commonly within well-oxygenated hyporheic sediments.
  • The abundance, distribution and bacterial community structure of hyporheic sediments was characterized by both DAPI-staining and fluorescence in situ hybridization (FISH) with fluorescently labelled 16S rRNA-targeted oligonucleotide probes. The total abundance of bacteria was dependent on both particle size and depth from which each size fraction was sampled, and showed no clear trend with increasing sediment depth. The abundance of sediment-associated Eubacteria (on average 35 % of DAPI-stained cells) declined with depth, while Archaea (on average 8% of DAPI-stained cells) showed no gradient in abundance with increasing depth. Our findings confirm that Archaea may occur commonly within well-oxygenated hyporheic sediments. (en)
  • Abundance, distribuce a struktura bakteriálního společenstva v hypohrheických sedimentech byly charakterizovány barvením DAPI a FISH s fluorescentně zančenými 16S rRNA oligonukleotidovými sondami. Celková abundance bakterií byla závislá na velikosti částic a hloubce, ze které byly každá frakce vzorkována a neukazovyla žádný jasný trend s hloubkou sedimentu. Abundance Eubacteria (v průměru 35 % DAPI obarvených buněk) klesal s hloubkou, zatímco Archaea (v průměru 8 % DAPI obarvených buněk) ukazovaly žádný gradient s hloubkou. Naše výsledky potvrzují, že Archaea se mohou běžně vyskytovat v relativně dobře oxických zónách hyporheických sedimentů. (cs)
Title
  • Bacterial community analysis in river hyporheic sediments - the influence of depth and particle size.
  • Bacterial community analysis in river hyporheic sediments - the influence of depth and particle size. (en)
  • Analýza bakteriálního společenstva v říčních hyporheických sedimentech. ? vliv hloubky a velikosti částic. (cs)
skos:prefLabel
  • Bacterial community analysis in river hyporheic sediments - the influence of depth and particle size.
  • Bacterial community analysis in river hyporheic sediments - the influence of depth and particle size. (en)
  • Analýza bakteriálního společenstva v říčních hyporheických sedimentech. ? vliv hloubky a velikosti částic. (cs)
skos:notation
  • RIV/61989592:15310/07:00004965!RIV08-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 47-56
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...iv/cisloPeriodika
  • N
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 411284
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/07:00004965
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • river sediment; bacteria; Archaea; FISH; DAPI; density centrifugation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [24E2AC7CAFE6]
http://linked.open...i/riv/nazevZdroje
  • Acta Universitatis Carolinaeana Environmentalica
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 21
http://linked.open...iv/tvurceVysledku
  • Rulík, Martin
  • Cupalová, J.
issn
  • 0862-6529
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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