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Stable morphospecies within the 16S rRNA monophyletic genus .i.Microcystis./i. (KÜTZING) KÜTZING
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SYSNO ASEP 0029728 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Stable morphospecies within the 16S rRNA monophyletic genus Microcystis (KÜTZING) KÜTZING Title Stálé morfologické typy v monofyletickém (16S rRNA) rodu Microcystis (KÜTZING) KÜTZING Author(s) Komárková, Jaroslava (HBU-Z) RID
Mugnai, M. A. (IT)
Sili, C. (IT)
Komárek, Ondřej (UEK-B)
Turicchia, S. (IT)Source Title Archiv für Hydrobiologie. Algological Studies - ISSN 0342-1120
-, č. 117 (2005), s. 279-295Number of pages 17 s. Action Symposium of the International Association for Cyanophyte Research /16./ Event date 30.08.2004–03.09.2004 VEvent location Luxembourg Country LU - Luxembourg Event type WRD Language eng - English Country DE - Germany Keywords Microcystis ; morhpospecies ; 16S rRNA Subject RIV EE - Microbiology, Virology R&D Projects IBS6017004 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z60170517 - HBU-Z, BC-A (2005-2011) Annotation Size of cells, way of multiplication and shape of colonies were analyzed in natural populations, semi-cultures derived from natural populations and in cultivated strains of Microcystis morphospecies. Samples were taken from eutrophic and hypertrophic water-bodies. After preliminary testing, we focused on cell diameter (ANOVA stat-program). We confirmed, that three of the investigated morphospecies (M. aeruginosa, M. viridis and M. wesenbergii) kept well their cell sizes when measured either in natural populations or in cultivated strains. According to our results, M. flos-aquae and M. ichthyoblabe populations did not differ. Large and small cells had the same origin. Small cells derived from large ones during a fast reproduction phase. The aim was to confirm existence of stable characters of the Microcystis morphotypes and thus to encourage future genetic investigation of internal diversity of this important genus. Workplace Institute of Hydrobiology (until 2005) Contact Václava Lavičková, lavickova@hbu.cas.cz, Tel.: 387 775 889 Year of Publishing 2006
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