About: Ubiquity of Polynucleobacter necessarius subspecies asymbioticus results from ecological diversification

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The subspecies Polynucleobacter necessarius asymbioticus (> 99% 16S rRNA similarity) has a cosmopolitan distribution and a ubiquitous occurrence in freshwater habitats. We tested if the observed ubiquity of these free-living planktonic freshwater bacteria results from a euryoecious (generalist) adaptation of P. n. asymbioticus strains, or from ecological diversification within the subspecies. We developed a reverse line blot hybridization assay enabling the cultivation-independent detection of 13 groups within the subspecies in environmental samples. A set of 121 lentic freshwater habitats, spanning a broad variety of habitat types (e.g. pH levels ranging from 3.8 to 8.5) was investigated for the presence of these 13 P. n. asymbioticus groups. Statistical analyses of the RLBH detections revealed pronounced differences in habitat preferences of several of the groups. Their preferences differed regarding pH, conductivity, dissolved organic carbon and oxygen concentration of habitats. The subspecies Polynucleobacter necessarius asymbioticus (> 99% 16S rRNA similarity) has a cosmopolitan distribution and a ubiquitous occurrence in freshwater habitats. We tested if the observed ubiquity of these free-living planktonic freshwater bacteria results from a euryoecious (generalist) adaptation of P. n. asymbioticus strains, or from ecological diversification within the subspecies. We developed a reverse line blot hybridization assay enabling the cultivation-independent detection of 13 groups within the subspecies in environmental samples. A set of 121 lentic freshwater habitats, spanning a broad variety of habitat types (e.g. pH levels ranging from 3.8 to 8.5) was investigated for the presence of these 13 P. n. asymbioticus groups. Statistical analyses of the RLBH detections revealed pronounced differences in habitat preferences of several of the groups. Their preferences differed regarding pH, conductivity, dissolved organic carbon and oxygen concentration of habitats. (en)
Title	Ubiquity of Polynucleobacter necessarius subspecies asymbioticus results from ecological diversification Ubiquity of Polynucleobacter necessarius subspecies asymbioticus results from ecological diversification (en)
skos:prefLabel	Ubiquity of Polynucleobacter necessarius subspecies asymbioticus results from ecological diversification Ubiquity of Polynucleobacter necessarius subspecies asymbioticus results from ecological diversification (en)
skos:notation	RIV/60077344:_____/11:00358982!RIV12-MSM-60077344
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP504/10/0566), P(MEB060901), Z(AV0Z60170517)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Jezberová, Jitka Jezbera, Jan
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	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	236441
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/11:00358982
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ubiquity; Polynucleobacter; ecological diversification (en)
http://linked.open.../riv/klicoveSlovo	Polynucleobacter ecological diversification ubiquity
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[729157C7C63D]
http://linked.open...i/riv/nazevZdroje	Environmental Microbiology
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Distribution, phylogeography and within-taxon ecological differentiation of Limnohabitans cluster and Polynucleobacter necessarius subsp. asymbioticus Biogeography and within-taxon ecological dofferentiation of Limnicola planktonicus and Polynucleobacter necessarius (Betaproteobacteria).
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Jezberová, Jitka Brandt, U. Hahn, M. W. Jezbera, Jan
http://linked.open...ain/vavai/riv/wos	000289116700008
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a vývoj vodních ekosystémů
issn	1462-2912
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/j.1462-2920.2010.02396.x

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