Potravní preference prvoků v rozdílných frakcích vody obohacené o nutrienty

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F06%3A00047194" target="_blank" >RIV/60077344:_____/06:00047194 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60076658:12310/06:00006876

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Prey selectivity of bacterivorous protists in different size fractions of reservoir water amended with nutrients

Popis výsledku v původním jazyce

An experiment designed to examine food preferences of heterotrophic nanoflagellates grazing on bacterioplankton was performed in the freshwater Římov reservoir. Water samples were size-fractionated to obtain <5um filtrate containing bacteria and HNF. Tomanipulate resource availability,<5um treatments were incubated in dialysis bags submerged in the barrels filled with the unfiltered reservoir water amended with either orthophosphate or glucose or combination of both. We employed r-RNA-targeted probes to assess HNF prey preferences by analyzing bacterial prey in HNF food vacuoles compared to available bacteria. Actinobacteria were avoided by HNF in all treatments. Cytophaga-Flavobacterium-Bacteroidetes bacteria were positively selected mainly in treatments in which bacteria were heavily grazed,the <5um treatments, but this trend was less pronounced towards the end of the study. The members of a small subcluster of Betaproteobacteria were mostly positively selected.

Název v anglickém jazyce

Prey selectivity of bacterivorous protists in different size fractions of reservoir water amended with nutrients

Popis výsledku anglicky

An experiment designed to examine food preferences of heterotrophic nanoflagellates grazing on bacterioplankton was performed in the freshwater Římov reservoir. Water samples were size-fractionated to obtain <5um filtrate containing bacteria and HNF. Tomanipulate resource availability,<5um treatments were incubated in dialysis bags submerged in the barrels filled with the unfiltered reservoir water amended with either orthophosphate or glucose or combination of both. We employed r-RNA-targeted probes to assess HNF prey preferences by analyzing bacterial prey in HNF food vacuoles compared to available bacteria. Actinobacteria were avoided by HNF in all treatments. Cytophaga-Flavobacterium-Bacteroidetes bacteria were positively selected mainly in treatments in which bacteria were heavily grazed,the <5um treatments, but this trend was less pronounced towards the end of the study. The members of a small subcluster of Betaproteobacteria were mostly positively selected.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

EE - Mikrobiologie, virologie

OECD FORD obor

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Projekt

<a href="/cs/project/GA206%2F05%2F0007" target="_blank" >GA206/05/0007: Změny ve struktuře a funkci bakterioplanktonu údolní nádrže ve vztahu k individuálním buněčným aktivitám hlavních fylogenetických skupin bakterií</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2006

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Environmental Microbiology

ISSN

1462-2912

e-ISSN

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Svazek periodika

8

Číslo periodika v rámci svazku

8

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

1330-1339

Kód UT WoS článku

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EID výsledku v databázi Scopus

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