People

Head of the laboratory
RNDr. Jan Petrášek, Ph.D.
petrasek@ueb.cas.cz
Auxins and cytokinins in the regulation of cell division and elongation, cytoskeleton dynamics, regulation of auxin carrier’s dynamics and activity, hormonal crosstalk, polarity, plant development, auxin transport inhibitors.
Researchers
Ing. Petre Ivanov Dobrev, CSc.
dobrev@ueb.cas.cz
Development of methods for the extraction, purification and determination of plant hormones using HPLC with on-line monitoring of UV-Vis, fluorescence, radioactivity and mass spectra. Metabolism of plant hormones, particularly cytokinins, in synchronized cell systems.
Bc. Ing. Klára Hoyerová, Ph.D.
hoyerova@ueb.cas.cz
Molecular mechanisms of translocation of auxins and cytokinins across membranes in plant cells, metabolism and regulation of homeostasis of auxin and cytokinin and its mathematical modeling.
Ing. Jana Jarošová, Ph.D.
jarosova@ueb.cas.cz
Quantitative PCR expert; stress physiology; abiotic, biotic, and combined stresses.
RNDr. Adriana Jelínková, Ph.D.
jelinkovaa@ueb.cas.cz
Identification of cytoskeletal and associated proteins that are involved in dynamics od endomembrane transport, polar PIN targetting and thus on cell polarity establishment.
Ing. Miroslav Kamínek, CSc.
kaminek@ueb.cas.cz
Mechanisms of metabolic regulation of cytokinin levels in plant cells, their function in control of plant development and exploitation in enhancement of plant productivity.
Mgr. Petr Klíma, Ph.D.
klima@ueb.cas.cz
Transport of auxins and cytokinins across plant cell membranes, characterisation of carriers and hormonal metabolic regulation. Testing of inhibitors/compounds targetting these processes.
Ing. Kateřina Malínská, Ph.D.
malinska@ueb.cas.cz
Fluorescence microscopy of plant plasma membrane proteins. Yeast as a tool to study auxin transport proteins.
Ing. Václav Motyka, CSc.
motyka@ueb.cas.cz
Regulation of the metabolic inactivation (degradation and N-glucosylation) of cytokinins in relation to control of plant growth and development. Metabolism and biological functions of cis-zeatin-type cytokinins in plants. Effects of biotic and abiotic stresses on the contents and metabolism of phytohormones.
Ing. Karel Müller, Ph.D.
muller@ueb.cas.cz
Cloning of genes coding for tobacco auxin transporters, their expression and targeted silencing.
Mgr. Kamil Růžička, Dr. rer. nat.
kamil.ruzicka@ueb.cas.cz
RNA processing in hormonal pathways. With particular focus on methylation of mRNA and splicing.
RNDr. Radomíra Vaňková, CSc.
vankova@ueb.cas.cz
Regulation of the level of physiologically active cytokinins during the plant development by their reversible and irreversible glycosylation. The role of cytokinins and abscisic acid in plant response to abiotic stress and subsequent recovery.
Prof. RNDr. Eva Zažímalová, CSc.
zazimalova@ueb.cas.cz
Mechanisms of transport of auxins and cytokinins across the plasma membrane; auxin carrier systems, auxin homeostasis and their regulation. Perception and transduction of auxin signal. Roles of these processes in the regulation of cell division and growth.
Visiting scientists
Dr. Kasper Van Gelderen, Pierik lab, Utrecht, NL

EMBO short term fellowship: Live imaging of HY5 shoot-root transport and phloem unloading
Postdoctoral fellows
Ing. Milada Čovanová, Ph.D.
covanova@ueb.cas.cz
Role of Auxin Binding Protein 1 in the development of BY-2 tobacco cells and its involvement in the regulation of auxin level inside the cells.
Mgr. Tomáš Hluska, Ph.D.
hluska@ueb.cas.cz
Do cytokinin N-glucosides act as active cytokinins per se or do they first need to be hydrolyzed? Synthesis of N-glucosides by glucosyltransferases. Cytokinin biosynthesis, namely cis-zeatin, dihydrozeatin and aromatic cytokinins.
Ing. Petr Hošek, Ph.D.
hosek@ueb.cas.cz
Computational modelling of auxin transport and cytokinin metabolism. And statistics.
Ing. Eva Pokorná, Ph.D.
zizkovae@ueb.cas.cz
Metabolic pathways regulating the levels of bioactive cytokinins in plants.
Mgr. Sylva Přerostová, PhD.
prerostova@ueb.cas.cz
Stress physiology, role of plant hormones in abiotic stress responses, regulation of phytohormone homeostasis.
Dr.nat.techn. Katarzyna Retzer, Ph.D.
retzer@ueb.cas.cz
Structural analysis of AUX1; auxin carrier regulated root growth adaptation.
Research assistants
RNDr. Martina Laňková, Ph.D.
lankova@ueb.cas.cz
Mechanism of transport of plant hormone auxin into tobacco cells, characterisation of an auxin influx carrier and its inhibitors.
Research specialists
Ing. Roberta Filepová
filepova@ueb.cas.cz
Media preparation, extraction of phytohormones, accumulation assays.
RNDr. Alena Gaudinová
gaudinova@ueb.cas.cz
Analytical methods for phytohormones; determination of level and activity of the enzymes of cytokinin biosynthesis and metabolism.
Mgr. Zuzana Vondráková
vondrakovaz@ueb.cas.cz
Transformation of tobacco and Arabidopsis suspension cultures, cultivation of plant material, sampling and sample preparation, RNA isolation.
Technicians
Mgr. Nikola Drážnáon maternity leave
drazna@ueb.cas.cz
Isolation of plant hormones auxins and cytokinins from plant tissues. Cultivation of plant material (in vitro cultures, greenhouse).
Bc. Vojtěch Knirsch
knirsch@ueb.cas.cz
Cultivation of plant material, sampling and sample preparation, isolation of plant hormones, membrane integrity measurement.
Eva Kobzová
kobzova@ueb.cas.cz
Isolation of the plant hormones auxins and cytokinins from plant tissues. Cultivation of plant material (in vitro cultures, greenhouse).
Marie Korecká
korecka@ueb.cas.cz
Isolation of the plant hormones auxins and cytokinins from plant tissues. Isolation of cytokininoxidase from plant tissues. Cultivation of plant material (in vitro cultures, greenhouse).
PhD. students
Ivan Kashkan
kashkan@ueb.cas.cz
Ph.D. dissertation theme: Functional characterization of alternative splicing of auxin transporters and its role in plant development. In collaboration with CEITEC Masaryk University, Brno, Czech Republic. Supervisor: K. Růžička.
Ing. Jozef Lacek
lacek@ueb.cas.cz
Ph.D. dissertation theme: Characterisation of factors participating on regulation of intracellular dynamics of auxin carriers.
Charles University, Faculty of Science, Department of Experimental Plant Biology. Since 2013. Supervisor: E. Zažímalová, advisors: M. Čovanová, K. Retzer
Mgr. Roman Skokan
skokan@ueb.cas.cz
Ph.D. dissertation theme: Evolution of auxin homeostasis mechanisms.
Charles University, Faculty of Science, Department of Experimental Plant Biology. Since 2014. Supervisor: J. Petrášek, advisor: K. Müller
Ksenia Timofeyenko
timofeyenko@ueb.cas.cz
Ph.D. dissertation theme: Role of alternative splicing in abscisic acid and brassinosteroid pathways. In collaboration with CEITEC Masaryk University, Brno, Czech Republic. Supervisor: K. Růžička.
Elena Zemlyanskaya
zemlyanskaya@ueb.cas.cz
Ph.D. dissertation theme: Modifications of adenine in RNAs and their role in plant development and auxin pathways. In collaboration with CEITEC Masaryk University, Brno, Czech Republic. Supervisor: K. Růžička.
Diploma students
Bc. Daniel Nedvěd, master student
dan@nedved.eu
Diploma thesis: Mechanism of cytokinin transport across plasma membrane. Characterization of BY-2 cell lines overexpressing candidate cytokinin transporters. Charles University, Faculty of Science, Department of Biochemistry. Supervisor: Assoc. Prof. Helena Ryšlavá. Advisors: Klára Hoyerová, Petr Klíma.
Bc. Vojtěch Schmidt, master student
schmidt@ueb.cas.cz
Diploma thesis: The role of auxin in algal ancestors of land plants. Charles University, Faculty of Science, Department of Experimental Plant Biology. Supervisor: Jan Petrášek. Advisors: Roman Skokan, Stanislav Vosolsobě.
Lenka Helusová, bachelor student
Diploma thesis: New insights on auxin metabolism. Charles University, Faculty of Science, Department of Experimental Plant Biology. Supervisor: Karel Müller. Advisor: Jan Petrášek.