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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F12%3A00377841%21RIV13-AV0-60077344
rdf:type
n6:Vysledek skos:Concept
dcterms:description
The bacterial taxon Polynucleobacter necessarius subspecies asymbioticus represents a group of planktonic freshwater bacteria with cosmopolitan and ubiquitous distribution in standing freshwater habitats. The ubiquity of this taxon was recently explained by intra-taxon ecological diversification, i.e. specialization of lineages to specific environmental conditions; however, details on specific adaptations are not known. Here we investigated by means of genomic and experimental analyses the ecological adaptation of a persistent population dwelling in a small acidic pond. The investigated population contributed on average 11% to total bacterioplankton in the pond during the vegetation periods (ice-free period, usually May to November). Only a low degree of genetic diversification of the population could be revealed. Experiments indicated that these bacteria live as chemoorganotrophs by mainly utilizing low-molecular-weight substrates derived from photooxidation of humic substances. The bacterial taxon Polynucleobacter necessarius subspecies asymbioticus represents a group of planktonic freshwater bacteria with cosmopolitan and ubiquitous distribution in standing freshwater habitats. The ubiquity of this taxon was recently explained by intra-taxon ecological diversification, i.e. specialization of lineages to specific environmental conditions; however, details on specific adaptations are not known. Here we investigated by means of genomic and experimental analyses the ecological adaptation of a persistent population dwelling in a small acidic pond. The investigated population contributed on average 11% to total bacterioplankton in the pond during the vegetation periods (ice-free period, usually May to November). Only a low degree of genetic diversification of the population could be revealed. Experiments indicated that these bacteria live as chemoorganotrophs by mainly utilizing low-molecular-weight substrates derived from photooxidation of humic substances.
dcterms:title
The passive yet successful way of planktonic life: genomic and experimental analysis of the ecology of a free-living Polynucleobaster population The passive yet successful way of planktonic life: genomic and experimental analysis of the ecology of a free-living Polynucleobaster population
skos:prefLabel
The passive yet successful way of planktonic life: genomic and experimental analysis of the ecology of a free-living Polynucleobaster population The passive yet successful way of planktonic life: genomic and experimental analysis of the ecology of a free-living Polynucleobaster population
skos:notation
RIV/60077344:_____/12:00377841!RIV13-AV0-60077344
n6:predkladatel
n7:ico%3A60077344
n3:aktivita
n14:I
n3:aktivity
I
n3:cisloPeriodika
3
n3:dodaniDat
n4:2013
n3:domaciTvurceVysledku
n18:6252591 n18:4562275 n18:7194536
n3:druhVysledku
n16:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
157926
n3:idVysledku
RIV/60077344:_____/12:00377841
n3:jazykVysledku
n17:eng
n3:klicovaSlova
bacterial community composition; dissolved organic-matter; niche separation; humic lake
n3:klicoveSlovo
n9:humic%20lake n9:niche%20separation n9:dissolved%20organic-matter n9:bacterial%20community%20composition
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[6FA1DF20F20A]
n3:nazevZdroje
PLoS ONE
n3:obor
n5:EE
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
9
n3:rokUplatneniVysledku
n4:2012
n3:svazekPeriodika
7
n3:tvurceVysledku
Vannini, M. Koll, U. Scheuerl, T. Petroni, G. Wu, Q. L. Jezberová, Jitka Šimek, Karel Hahn, M. W. Jezbera, Jan
n3:wos
000303855700017
s:issn
1932-6203
s:numberOfPages
17
n11:doi
10.1371/journal.pone.0032772