About: Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition.

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About: Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Bacterivorous protists are known to induce changes in bacterial community composition (BCC). We hypothesized that changes in BCC could be related quantitatively to a measure of grazing: the ratio of bacterial mortality to growth rate. To test this hypothesis, we analyzed changes in BCC, protistan grazing rate, and bacterial production from 3 in situ studies and 3 laboratory studies. Change in BCC, using different rRNA-targeted oligonucleotide probes, was estimated as the sum of changes in the proportions of the different phylogenetic groups of bacteria. Analysis of a set of 22 estimates of shifts in the ratio of grazing to production rate over periods of 48 -72 h and the corresponding changes in BCC showed that they were positively and tightly correlated (R squared = 0.784). While the nature of a shift in BCC is unpredictable, the magnitude of the change can be related to changes in the balance between bacterial production and protistan grazing. Bacterivorous protists are known to induce changes in bacterial community composition (BCC). We hypothesized that changes in BCC could be related quantitatively to a measure of grazing: the ratio of bacterial mortality to growth rate. To test this hypothesis, we analyzed changes in BCC, protistan grazing rate, and bacterial production from 3 in situ studies and 3 laboratory studies. Change in BCC, using different rRNA-targeted oligonucleotide probes, was estimated as the sum of changes in the proportions of the different phylogenetic groups of bacteria. Analysis of a set of 22 estimates of shifts in the ratio of grazing to production rate over periods of 48 -72 h and the corresponding changes in BCC showed that they were positively and tightly correlated (R squared = 0.784). While the nature of a shift in BCC is unpredictable, the magnitude of the change can be related to changes in the balance between bacterial production and protistan grazing. (en)
Title	Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition. Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition. (en)
skos:prefLabel	Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition. Altering the balance between bacterial production and protistan bacterivory triggers shifts in freshwater bacterial community composition. (en)
skos:notation	RIV/60077387:_____/02:62023100!RIV/2003/GA0/A62003/N
http://linked.open.../vavai/riv/strany	453;463
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/02/0003), Z(AV0Z6017912), Z(MSM 123100004)
http://linked.open...iv/cisloPeriodika	1-4
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Nedoma, Jiří Šimek, Karel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Hydrobiologický ústav AV ČR
http://linked.open...dnocenehoVysledku	637835
http://linked.open...ai/riv/idVysledku	RIV/60077387:_____/02:62023100
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bacterial community composition; bacterial production and mortality rates; protistan bacterivory (en)
http://linked.open.../riv/klicoveSlovo	protistan bacterivory bacterial community composition bacterial production and mortality rates
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[22C2A5E52284]
http://linked.open...i/riv/nazevZdroje	Antonie van Leeuwenhoek
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Top-down and bottom-up factors controlling bacterial community composition and dynamics in different parts of a eutrophic canyon-shaped reservoir
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	81
http://linked.open...iv/tvurceVysledku	Šimek, Karel Nedoma, Jiří Dolan, J. R. Pernthaler, J. Posch, T.
http://linked.open...n/vavai/riv/zamer	Biotické interakce v pelagické zóně lenitických ekosystémů, údolních nádrží a jezer různé trofie v podmínkách výrazného snížení emisí v postkomunistické Evropě http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20123100004
issn	0003-6072
number of pages	11 (xsd:int)

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