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Broad habitat range of the phylogenetically narrow R-BT065 cluster, representing a core group of the Betaproteobacterial genus .i.Limnohabitans./i
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SYSNO ASEP 0340404 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Broad habitat range of the phylogenetically narrow R-BT065 cluster, representing a core group of the Betaproteobacterial genus Limnohabitans./i Tvůrce(i) Šimek, Karel (BC-A) RID, ORCID
Kasalický, Vojtěch (BC-A) RID, ORCID
Jezbera, Jan (BC-A) RID
Jezberová, Jitka (BC-A) RID
Hejzlar, Josef (BC-A) RID, ORCID
Hahn, M.W. (AT)Zdroj.dok. Applied and Environmental Microbiology. - : American Society for Microbiology - ISSN 0099-2240
Roč. 76, č. 3 (2010), s. 631-639Poč.str. 9 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova R-BT065 cluster ; Betaproteobacteria ; freshwater habitats ; pH ; DOC ; algal-derived substrates Vědní obor RIV DA - Hydrologie a limnologie CEP GA206/08/0015 GA ČR - Grantová agentura ČR MEB060702 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy CEZ AV0Z60170517 - HBU-Z, BC-A (2005-2011) UT WOS 000274017400001 DOI 10.1128/AEM.02203-09 Anotace The distribution of the genus-like R-BT065 cluster (Betaproteobacteria) in 102 various freshwater systems was examined by using a specific FISH probe. The relative proportions of the cluster (on average 10% of total bacterioplankton) were significantly lower in humic and acidified lakes than in pH-neutral or alkaline habitats. The abundance of these bacteria were positively related to higher pH, conductivity, and the proportion of low-molecular-weight compounds in dissolved organic carbon and negatively related to the total DOC and dissolved aromatic carbon contents. Together, these parameters explained 61% of the variability in the cluster occurrence. No clear relationship of its occurrence to factors indicating the trophic status of habitats was found. Overall, the R-BT065 cluster is a ubiquitous, highly active segment of bacterioplankton in nonacidic lakes and ponds and alga-derived substrates form the main substrates pool responsible for its ecological success in freshwaters. Pracoviště Biologické centrum (od r. 2006) Kontakt Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Rok sběru 2010
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