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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F13%3A00394407%21RIV14-AV0-60077344
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Actinorhodopsins (ActRs) are recently discovered proteorhodopsins present in Actinobacteria, enabling them to adapt to a wider spectrum of environmental conditions. Frequently, a large fraction of freshwater bacterioplankton belongs to the acI lineage of Actinobacteria and codes the LG1 type of ActRs. In this paper we studied the genotype variability of the LG1 ActRs. We have constructed two clone libraries originating from two environmentally different habitats located in Central Europe; the large alkaline lake Mondsee (Austria) and the small humic reservoir Jiricka (the Czech Republic). The 75 yielded clones were phylogenetically analyzed together with all ActR sequences currently available in public databases. Altogether 156 sequences were analyzed and 13 clusters of ActRs were distinguished. Newly obtained clones are distributed over all three LG1 subgroups - LG1-A, B and C. Eighty percent of the sequences belonged to the acI lineage (LG1-A ActR gene bearers) further divided into LG1-A1 and LG1-A2 subgroups. Interestingly, the two habitats markedly differed in genotype composition with no identical sequence found in both samples of clones. Moreover, Jiricka reservoir contained three so far not reported clusters, one of them LG1-C related, presenting thus completely new, so far undescribed, genotypes of Actinobacteria in freshwaters. Actinorhodopsins (ActRs) are recently discovered proteorhodopsins present in Actinobacteria, enabling them to adapt to a wider spectrum of environmental conditions. Frequently, a large fraction of freshwater bacterioplankton belongs to the acI lineage of Actinobacteria and codes the LG1 type of ActRs. In this paper we studied the genotype variability of the LG1 ActRs. We have constructed two clone libraries originating from two environmentally different habitats located in Central Europe; the large alkaline lake Mondsee (Austria) and the small humic reservoir Jiricka (the Czech Republic). The 75 yielded clones were phylogenetically analyzed together with all ActR sequences currently available in public databases. Altogether 156 sequences were analyzed and 13 clusters of ActRs were distinguished. Newly obtained clones are distributed over all three LG1 subgroups - LG1-A, B and C. Eighty percent of the sequences belonged to the acI lineage (LG1-A ActR gene bearers) further divided into LG1-A1 and LG1-A2 subgroups. Interestingly, the two habitats markedly differed in genotype composition with no identical sequence found in both samples of clones. Moreover, Jiricka reservoir contained three so far not reported clusters, one of them LG1-C related, presenting thus completely new, so far undescribed, genotypes of Actinobacteria in freshwaters.
dcterms:title
Insights into variability of actinorhodopsin genes of the LG1 cluster in two different freshwater habitats Insights into variability of actinorhodopsin genes of the LG1 cluster in two different freshwater habitats
skos:prefLabel
Insights into variability of actinorhodopsin genes of the LG1 cluster in two different freshwater habitats Insights into variability of actinorhodopsin genes of the LG1 cluster in two different freshwater habitats
skos:notation
RIV/60077344:_____/13:00394407!RIV14-AV0-60077344
n8:predkladatel
n15:ico%3A60077344
n4:aktivita
n6:P n6:I
n4:aktivity
I, P(GEEEF/10/E011)
n4:cisloPeriodika
7
n4:dodaniDat
n11:2014
n4:domaciTvurceVysledku
n5:4562275 n5:7194536
n4:druhVysledku
n19:J
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n9:predkladatel
n4:idSjednocenehoVysledku
80411
n4:idVysledku
RIV/60077344:_____/13:00394407
n4:jazykVysledku
n16:eng
n4:klicovaSlova
actinobacteria; bacteria; bacterioplankton; diversity; sequences; lakes
n4:klicoveSlovo
n10:bacterioplankton n10:bacteria n10:actinobacteria n10:lakes n10:sequences n10:diversity
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[118C35FE72BE]
n4:nazevZdroje
PLoS ONE
n4:obor
n17:EE
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n18:GEEEF%2F10%2FE011
n4:rokUplatneniVysledku
n11:2013
n4:svazekPeriodika
8
n4:tvurceVysledku
Hahn, M. W. Jezberová, Jitka Jezbera, Jan
n4:wos
000321341000171
s:issn
1932-6203
s:numberOfPages
6
n7:doi
10.1371/journal.pone.0068542