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Items: 26


Strain-specific consumption and transformation of alga-derived dissolved organic matter by members of the Limnohabitans-C and Polynucleobacter-B clusters of Betaproteobacteria.

Horňák K, Kasalický V, Šimek K, Grossart HP.

Environ Microbiol. 2017 Nov;19(11):4519-4535. doi: 10.1111/1462-2920.13900. Epub 2017 Sep 21.


RNA Encapsidation and Packaging in the Phleboviruses.

Hornak KE, Lanchy JM, Lodmell JS.

Viruses. 2016 Jul 15;8(7). pii: E194. doi: 10.3390/v8070194. Review.


High-throughput determination of dissolved free amino acids in unconcentrated freshwater by ion-pairing liquid chromatography and mass spectrometry.

Horňák K, Schmidheiny H, Pernthaler J.

J Chromatogr A. 2016 Apr 1;1440:85-93. doi: 10.1016/j.chroma.2016.02.045. Epub 2016 Feb 17.


Marine bacterial community structure resilience to changes in protist predation under phytoplankton bloom conditions.

Baltar F, Palovaara J, Unrein F, Catala P, Horňák K, Šimek K, Vaqué D, Massana R, Gasol JM, Pinhassi J.

ISME J. 2016 Mar;10(3):568-81. doi: 10.1038/ismej.2015.135. Epub 2015 Aug 11.


A novel ion-exclusion chromatography-mass spectrometry method to measure concentrations and cycling rates of carbohydrates and amino sugars in freshwaters.

Horňák K, Pernthaler J.

J Chromatogr A. 2014 Oct 24;1365:115-23. doi: 10.1016/j.chroma.2014.09.007. Epub 2014 Sep 16.


3D restoration microscopy improves quantification of enzyme-labeled fluorescence-based single-cell phosphatase activity in plankton.

Diaz-de-Quijano D, Palacios P, Horňák K, Felip M.

Cytometry A. 2014 Oct;85(10):841-53. doi: 10.1002/cyto.a.22486. Epub 2014 May 20.


Differential freshwater flagellate community response to bacterial food quality with a focus on Limnohabitans bacteria.

Šimek K, Kasalický V, Jezbera J, Horňák K, Nedoma J, Hahn MW, Bass D, Jost S, Boenigk J.

ISME J. 2013 Aug;7(8):1519-30. doi: 10.1038/ismej.2013.57. Epub 2013 Apr 4.


Every coin has a back side: invasion by Limnohabitans planktonicus promotes the maintenance of species diversity in bacterial communities.

Horňák K, Corno G.

PLoS One. 2012;7(12):e51576. doi: 10.1371/journal.pone.0051576. Epub 2012 Dec 12.


Contrasting trends in distribution of four major planktonic betaproteobacterial groups along a pH gradient of epilimnia of 72 freshwater habitats.

Jezbera J, Jezberová J, Koll U, Horňák K, Šimek K, Hahn MW.

FEMS Microbiol Ecol. 2012 Aug;81(2):467-79. doi: 10.1111/j.1574-6941.2012.01372.x. Epub 2012 Apr 23.


Suboptimal light conditions negatively affect the heterotrophy of Planktothrix rubescens but are beneficial for accompanying Limnohabitans spp.

Horňák K, Zeder M, Blom JF, Posch T, Pernthaler J.

Environ Microbiol. 2012 Mar;14(3):765-78. doi: 10.1111/j.1462-2920.2011.02635.x. Epub 2011 Nov 9.


Alga-derived substrates select for distinct Betaproteobacterial lineages and contribute to niche separation in Limnohabitans strains.

Simek K, Kasalický V, Zapomĕlová E, Hornák K.

Appl Environ Microbiol. 2011 Oct;77(20):7307-15. doi: 10.1128/AEM.05107-11. Epub 2011 Aug 26.


Aggregate formation in a freshwater bacterial strain induced by growth state and conspecific chemical cues.

Blom JF, Horňák K, Simek K, Pernthaler J.

Environ Microbiol. 2010 Sep;12(9):2486-95. doi: 10.1111/j.1462-2920.2010.02222.x. Epub 2010 Apr 19.


Assessing niche separation among coexisting Limnohabitans strains through interactions with a competitor, viruses, and a bacterivore.

Simek K, Kasalický V, Hornák K, Hahn MW, Weinbauer MG.

Appl Environ Microbiol. 2010 Mar;76(5):1406-16. doi: 10.1128/AEM.02517-09. Epub 2009 Dec 28. Erratum in: Appl Environ Microbiol. 2010 Jun;76(11):3762.


Top-down and bottom-up induced shifts in bacterial abundance, production and community composition in an experimentally divided humic lake.

Grossart HP, Jezbera J, Hornák K, Hutalle KM, Buck U, Simek K.

Environ Microbiol. 2008 Mar;10(3):635-52. doi: 10.1111/j.1462-2920.2007.01487.x. Epub 2008 Jan 7.


Meeting report: ALTER-Net Workshop about the "Application of Molecular Techniques to Study Biodiversity, Structure and Function of Planktonic Communities in Lakes" at Blanes, Spain, February 15-16, 2007.

Groben R, Hahn MW, Hornák K, Mergeay J, Simek K, Vrba J.

Protist. 2007 Oct;158(4):417-21. Epub 2007 Jul 19. No abstract available.


Grazer and virus-induced mortality of bacterioplankton accelerates development of Flectobacillus populations in a freshwater community.

Simek K, Weinbauer MG, Hornák K, Jezbera J, Nedoma J, Dolan JR.

Environ Microbiol. 2007 Mar;9(3):789-800.


Synergistic and antagonistic effects of viral lysis and protistan grazing on bacterial biomass, production and diversity.

Weinbauer MG, Hornák K, Jezbera J, Nedoma J, Dolan JR, Simek K.

Environ Microbiol. 2007 Mar;9(3):777-88.


Modulation of microbial predator-prey dynamics by phosphorus availability: growth patterns and survival strategies of bacterial phylogenetic clades.

Salcher MM, Hofer J, Hornák K, Jezbera J, Sonntag B, Vrba J, Simek K, Posch T.

FEMS Microbiol Ecol. 2007 Apr;60(1):40-50. Epub 2007 Jan 24.


Maximum growth rates and possible life strategies of different bacterioplankton groups in relation to phosphorus availability in a freshwater reservoir.

Simek K, Hornák K, Jezbera J, Nedoma J, Vrba J, Straskrábová V, Macek M, Dolan JR, Hahn MW.

Environ Microbiol. 2006 Sep;8(9):1613-24.


Prey selectivity of bacterivorous protists in different size fractions of reservoir water amended with nutrients.

Jezbera J, Hornák K, Simek K.

Environ Microbiol. 2006 Aug;8(8):1330-9.


Effects of decreased resource availability, protozoan grazing and viral impact on a structure of bacterioplankton assemblage in a canyon-shaped reservoir.

Hornák K, Masín M, Jezbera J, Bettarel Y, Nedoma J, Sime-Ngando T, Simek K.

FEMS Microbiol Ecol. 2005 May 1;52(3):315-27. Epub 2004 Dec 29.


Influence of top-down and bottom-up manipulations on the R-BT065 subcluster of beta-proteobacteria, an abundant group in bacterioplankton of a freshwater reservoir.

Simek K, Hornák K, Jezbera J, Masín M, Nedoma J, Gasol JM, Schauer M.

Appl Environ Microbiol. 2005 May;71(5):2381-90.


Strong, weak, and missing links in a microbial community of the N.W. Mediterranean Sea.

Bettarel Y, Dolan JR, Hornak K, Lemée R, Masin M, Pedrotti ML, Rochelle-Newall E, Simek K, Sime-Ngando T.

FEMS Microbiol Ecol. 2002 Dec 1;42(3):451-62. doi: 10.1111/j.1574-6941.2002.tb01034.x.


Changes in bacterial community composition and dynamics and viral mortality rates associated with enhanced flagellate grazing in a mesoeutrophic reservoir.

Simek K, Pernthaler J, Weinbauer MG, Hornák K, Dolan JR, Nedoma J, Masín M, Amann R.

Appl Environ Microbiol. 2001 Jun;67(6):2723-33.


Changes in insurance coverage and extent of care during the two years after first hospitalization for a psychotic disorder.

Rabinowitz J, Bromet EJ, Lavelle J, Hornak KJ, Rosen B.

Psychiatr Serv. 2001 Jan;52(1):87-91.


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