SubjectsSubjects(version: 945)
Course, academic year 2012/2013
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Phytohormones - MB130P15
Title: Fytohormony
Guaranteed by: Department of Experimental Plant Biology (31-130)
Faculty: Faculty of Science
Actual: from 2010 to 2013
Semester: summer
E-Credits: 4
Examination process: summer s.:
Hours per week, examination: summer s.:2/0, Ex [HT]
Capacity: unlimited
Min. number of students: unlimited
4EU+: no
Virtual mobility / capacity: no
State of the course: taught
Language: Czech
Additional information: http://kfrserver.natur.cuni.cz/studium/prednasky/fytohorm/fytohormony.pdf
Note: enabled for web enrollment
Guarantor: prof. RNDr. Eva Zažímalová, CSc.
Teacher(s): Ing. Klára Hoyerová, Ph.D.
doc. RNDr. Radomíra Vaňková, CSc.
prof. RNDr. Eva Zažímalová, CSc.
Incompatibility : MB130P15E
Interchangeability : MB130P15E
Is incompatible with: MB130P15E
Is interchangeable with: MB130P15E
Opinion survey results   Examination dates   Schedule   
Annotation -
Last update: prof. RNDr. Eva Zažímalová, CSc. (22.05.2015)
Systems of plant growth regulation, signaling cascades. Phytohormones - general characteristics, mechanisms of action. Auxins, cytokinins, gibberellins, abscisic acid, ethylene, brassinosteroids, jasmonic acid, salicylic acid - metabolism, mechanism of action, physiological effects. Other growth regulators: polyamines, oligosaccharines, peptide hormones - metabolism, mechanism of action, physiological effects. Phenolic compounds and their role in growth and development regulation. Methods of phytohormone research.
Literature - Czech
Last update: prof. RNDr. Eva Zažímalová, CSc. (22.05.2015)

Taiz L, Zeiger E, eds.: Plant Physiology, 4th eddition, Sinauer Associates, Inc. Publishers, Sunderland, MA, 2006

Davies PJ (ed): Plant Hormones: Biosynthesis, Signal Transduction, Action! Springer/Kluwer, ISBN: 1-4020-2684-6, 2004

Buchanan BB, Gruissem W, Jones RL: Biochemistry and molecular biology of plants.- American Society of Plant Physiologists, Rockville, Maryland 2001

Hooykaas P, Hall MA, Libbenga KR, eds.: Biochemistry and Molecular Biology of Plant Hormones, Series New comprehensive biochemistry, Elsevier, 1999

Procházka S, Macháčková I, Krekule J, Šebánek J a kolektiv: Fyziologie rostlin, Academia, Praha 1998

Procházka S, Šebánek J a kolektiv: Regulátory rostlinného růstu, Academia Praha, 1997

William G. Hopkins: Introduction to Plant Physiology. John Wiley & sons, Inc., New York, str. 263-405, 1995

Requirements to the exam - Czech
Last update: Ing. Klára Hoyerová, Ph.D. (13.03.2019)

Zkouška ústní

Syllabus -
Last update: prof. RNDr. Eva Zažímalová, CSc. (22.05.2015)

1. Basic terms: phytohormone, growth regulator. Phytohormone types. Theory of hormonal regulation of plant growth and development. Methods in phytohormone research. Mechanisms of action of phytohormones, signaling cascades. Other than hormonal signals - electrophysiology, pH changes.

2. Auxins.

Discovery of auxins in plants. Physiological effects of auxins. Chemical structure and properties of auxins and antiauxins. Metabolism of auxins (biosynthesis, conjugation, degradation). Regulation of internal concentration of auxins. Transgenic plants in respect to auxins. Transport of auxins, polarity, translocation across plasmamembrane, carriers, inhibitors of polar auxin transport. Transduction of auxin signal, receptors, signaling pathways, gene expression, ubiquitination. Methods of extraction and determination of auxins.

3. Cytokinins.

Discovery of cytokinins in plants. Physiological effects of cytokinins. Chemical structure and properties of cytokinins (isoprenoid, aromatic, urea-type) and anticytokinins. Metabolism of cytokininins (biosynthesis, conjugation, degradation). Regulation of internal concentration of cytokinins. Transgenic plants in respect to cytokinins. Transport of cytokinins. Transduction of cytokinin signal, receptors, signaling pathways. Methods of extraction and determination of cytokinins.

4. Gibberellins.

Discovery of gibberellins in plants. Chemical structure and properties of gibberellins. Metabolism of gibberellins (biosynthesis, mutual interconversion, conjugation, degradation). Mechanisms of action of gibberellins - signal transduction, effect on gene expression. Physiological effects of gibberellins - role of mutants in their research. Methods of extraction and determination of gibberellins.

5. Abscisic acid.

Discovery of abscisisc acid (ABA) in plants. Chemical structure and properties of ABA. Metabolism of ABA (biosynthesis, conjugation, degradation). Mechanisms of action of ABA - signal transduction, effect on gene expression, antagonism with gibberellins. Physiological effects of ABA. ABA as a stress hormone. Transport of ABA from roots. Methods of extraction and determination of ABA.

6. Ethylene.

Discovery of ethylene in plants. Chemical structure and properties of ethylene. Ethylene as a gaseous hormone - compartmentation in plant tissues. Metabolism of ethylene (biosynthesis, degradation and conjugation of its precursor). Mechanisms of action of ethylene - receptors, signal transduction, effect on gene expression. Physiological effects of ethylene - role of mutants in their research. Ethylene and stress. Methods of ethylene determination.

7. Polyamines, brassinosteroids, jasmonic acid, oligosaccharines, peptide hormones.

Chemical structure and properties of these substances. Metabolism (biosynthesis and degradation). Mechanisms of action - signal transduction. Physiological effects. Systemic response to biotic stress. Methods of determination.

8. Phenolic compounds, including salicylic acid.

Spectrum of phenolic compounds in plants. Metabolism of phenolic compounds (biosynthesis, interconversion, degradation). Mechanisms of action of some phenolic compounds, especially salicylic acid. Physiological effects of these compounds - secondary metabolites or regulatory substances? Methods of determination of phenolic compounds.

 
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