Počet záznamů: 1
Modulation of microbial predator-prey dynamics by phosphorus availability: Growth patterns and survival strategies of bacterial phylogenetic clades
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SYSNO ASEP 0086733 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Ostatní články Název Modulation of microbial predator-prey dynamics by phosphorus availability: Growth patterns and survival strategies of bacterial phylogenetic clades Překlad názvu Modulace mikrobiální rovnováhy predátor-kořist pomocí dostupností fosforu: růstová odezva a strategie přežití fylogenetických skupin bakterií Tvůrce(i) Salcher, M.M. (CH)
Hofer, J. (AT)
Horňák, Karel (BC-A) RID
Jezbera, Jan (BC-A) RID
Sonntag, B. (AT)
Vrba, Jaroslav (BC-A) RID, ORCID
Šimek, Karel (BC-A) RID, ORCID
Posch, T. (CH)Zdroj.dok. FEMS Microbiology Ecology. - : Oxford University Press - ISSN 0168-6496
Roč. 60, č. 1 (2007), s. 40-50Poč.str. 11 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova predator-prey interactions ; bacterial phylogenetic groups ; CARD-FISH ; flow cytometry ; high nucleic acid vs. low nucleic acid content bacteria ; nutrient enrichment Vědní obor RIV EE - Mikrobiologie, virologie CEZ AV0Z60170517 - HBU-Z, BC-A (2005-2011) Anotace We studied the impact of protistan grazing and phosphorus availability on the numbers and biomasses of bacteria from various phylogenetic lineages, and on their growth and activity parameters in the oligo-mesotrophic Piburger See, Austria. Enhanced grazing resulted in decreased proportions of bacteria with high nucleic acid content (HNA bacteria) and lower detection rates by FISH. Betaproteobacteria were heavily grazed while Alphaproteobacteria and Cytophaga-Flavobacterium-Bacteroides were less affected by predators. In the treatments enriched with phosphorus, Betaproteobacteria became dominant and successful opportunistic competitors for nutrients. In contrast, Actinobacteria did not respond to surplus phosphorus by population growth, and maintained their small size, which resulted in a very low biomass contribution. In addition, significant relationships between HNA bacteria and several bacterial phylogenetic clades were found, indicating an enhanced activity status. Pracoviště Biologické centrum (od r. 2006) Kontakt Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Rok sběru 2008
Počet záznamů: 1