ZEZULKA, Štěpán, Marie KUMMEROVÁ and Jana KRULOVÁ. Affection of photosynthesis in lichens by photomodified polycyclic aromatic hydrocarbon fluoranthene. In Photosynthesis and Stress - Book of Abstracts. 2005. ISBN 80-210-3762-8.
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Basic information
Original name Affection of photosynthesis in lichens by photomodified polycyclic aromatic hydrocarbon fluoranthene
Name in Czech Ovlivnění fotosyntézy u lišejníků polycyklickým aromatickým uhlovodíkem fluoranthenem
Authors ZEZULKA, Štěpán (203 Czech Republic, guarantor, belonging to the institution), Marie KUMMEROVÁ (203 Czech Republic, belonging to the institution) and Jana KRULOVÁ (203 Czech Republic, belonging to the institution).
Edition Photosynthesis and Stress - Book of Abstracts, 2005.
Other information
Original language English
Type of outcome Conference abstract
Field of Study 30105 Physiology
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
RIV identification code RIV/00216224:14310/05:00067086
Organization unit Faculty of Science
ISBN 80-210-3762-8
Keywords in English lichens; primary photosynthetic processes; photomodified polycyclic aromatic hydrocarbons; chlorophyll fluorescence
Tags chlorophyll fluorescence, lichens, photomodified polycyclic aromatic hydrocarbons, primary photosynthetic processes
Changed by Changed by: RNDr. Štěpán Zezulka, Ph.D., učo 4658. Changed: 10/4/2012 12:52.
Abstract
The effect of intact and photomodified form of fluoranthene (FLT, resp. phFLT; 0.1, 1 and 5 mg/L) on chlorophyll fluorescence parameters (F0, FV/FM and PhiII) in two foliose lichen species, Lasallia pustulata and Umbilicaria hirsuta was investigated. The results demonstrated an affection of primary processes of photosynthesis of symbiotic algae in both lichens (increase of F0, decrease of FV/FM and PhiII) during three days of cultivation. Photomodified form of FLT appeared to be more toxic than the intact form. Among lichen species, Umbilicaria hirsuta exhibit more sensitive response than Lasallia pustulata.
Abstract (in Czech)
Byl studován vliv intaktní a fotomodifikované formy fluorannthenu (FLT, resp. phFLT; 0.1, 1 a 5 mg/L) na parametry fluorescence chlorofylu (F0, FV/FM a PhiII) u dvou lupenitých lišejníků, Lasallia pustulata a Umbilicaria hirsuta. Získané výsledky dokládají ovlivnění primárních procesů fotosyntézy symbiotických řas u obou lišejníků (zvýšení F0, pokles FV/FM a PhiII) během 3 dnů kultivace. Fotomodifikovaná forma FLT se jevila toxičtější než forma intaktní. V mezidruhovém porovnání U. hirsuta projevila vyšší citlivost než L. pustulata.
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