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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F13%3A00394406%21RIV14-AV0-60077344
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Different bacterial strains can have different value as food for heterotrophic nanoflagellates (HNF), thus modulating HNF growth and community composition. We examined the influence of prey food quality using four Limnohabitans strains, one Polynucleobacter strain and one freshwater actinobacterial strain on growth (growth rate, length of lag phase and growth efficiency) and community composition of a natural HNF community from a freshwater reservoir. Pyrosequencing of eukaryotic small subunit rRNA amplicons was used to assess time-course changes in HNF community composition. All four Limnohabitans strains and the Polynucleobacter strain yielded significant HNF community growth while the actinobacterial strain did not although it was detected in HNF food vacuoles. Notably, even within the Limnohabitans strains we found significant prey-related differences in HNF growth parameters, which could not be related only to size of the bacterial prey. Sequence data characterizing the HNF communities showed also that different bacterial prey items induced highly significant differences in community composition of flagellates. Generally, Stramenopiles dominated the communities and phylotypes closely related to Pedospumella (Chrysophyceae) were most abundant bacterivorous flagellates rapidly reacting to addition of the bacterial prey of high food quality. Different bacterial strains can have different value as food for heterotrophic nanoflagellates (HNF), thus modulating HNF growth and community composition. We examined the influence of prey food quality using four Limnohabitans strains, one Polynucleobacter strain and one freshwater actinobacterial strain on growth (growth rate, length of lag phase and growth efficiency) and community composition of a natural HNF community from a freshwater reservoir. Pyrosequencing of eukaryotic small subunit rRNA amplicons was used to assess time-course changes in HNF community composition. All four Limnohabitans strains and the Polynucleobacter strain yielded significant HNF community growth while the actinobacterial strain did not although it was detected in HNF food vacuoles. Notably, even within the Limnohabitans strains we found significant prey-related differences in HNF growth parameters, which could not be related only to size of the bacterial prey. Sequence data characterizing the HNF communities showed also that different bacterial prey items induced highly significant differences in community composition of flagellates. Generally, Stramenopiles dominated the communities and phylotypes closely related to Pedospumella (Chrysophyceae) were most abundant bacterivorous flagellates rapidly reacting to addition of the bacterial prey of high food quality.
dcterms:title
Differential freshwater flagellate community response to bacterial food quality with a focus on Limnohabitans bacteria Differential freshwater flagellate community response to bacterial food quality with a focus on Limnohabitans bacteria
skos:prefLabel
Differential freshwater flagellate community response to bacterial food quality with a focus on Limnohabitans bacteria Differential freshwater flagellate community response to bacterial food quality with a focus on Limnohabitans bacteria
skos:notation
RIV/60077344:_____/13:00394406!RIV14-AV0-60077344
n9:predkladatel
n19:ico%3A60077344
n3:aktivita
n14:V n14:I n14:P
n3:aktivity
I, P(EE2.3.30.0032), P(GA13-00243S), V
n3:cisloPeriodika
8
n3:dodaniDat
n8:2014
n3:domaciTvurceVysledku
n7:7264798 n7:2409135 n7:7194536 n7:3267253 n7:6252591
n3:druhVysledku
n17:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
69649
n3:idVysledku
RIV/60077344:_____/13:00394406
n3:jazykVysledku
n4:eng
n3:klicovaSlova
flagellate community composition; food quality of bacteria; Limnohabitans; 454 pyrosequencing; freshwater; flagellate growth
n3:klicoveSlovo
n6:freshwater n6:food%20quality%20of%20bacteria n6:454%20pyrosequencing n6:flagellate%20community%20composition n6:flagellate%20growth n6:Limnohabitans
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[CC63FCB876E1]
n3:nazevZdroje
The ISME Journal
n3:obor
n15:DA
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
9
n3:projekt
n11:GA13-00243S n11:EE2.3.30.0032
n3:rokUplatneniVysledku
n8:2013
n3:svazekPeriodika
7
n3:tvurceVysledku
Jezbera, Jan Šimek, Karel Jost, S. Nedoma, Jiří Bass, D. Boenigk, J. Hahn, M. W. Horňák, Karel Kasalický, Vojtěch
n3:wos
000322119600006
s:issn
1751-7362
s:numberOfPages
12
n5:doi
10.1038/ismej.2013.57