ZEZULKA, Štěpán and Marie KUMMEROVÁ. Response of primary processes of photosynthesis in lichens to the presence of fluoranthene. In MendelNet 2005 Agro - Proceedings of Ph.D. students conference. 2005. ISBN 80-7157-905-X.
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Basic information
Original name Response of primary processes of photosynthesis in lichens to the presence of fluoranthene
Name in Czech Odezva primárních procesů fotosyntézy u lišejníků na přítomnost fluoranthenu
Name (in English) Response of primary processes of photosynthesis in lichens to the presence of fluoranthene
Authors ZEZULKA, Štěpán (203 Czech Republic, guarantor, belonging to the institution) and Marie KUMMEROVÁ (203 Czech Republic, belonging to the institution).
Edition MendelNet 2005 Agro - Proceedings of Ph.D. students conference, 2005.
Other information
Original language Czech
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/00216224:14310/05:00067085
Organization unit Faculty of Science
ISBN 80-7157-905-X
Keywords in English PAHs; lichens; primary processes of photosynthesis; chlorophyll fluorescence
Tags chlorophyll fluorescence, lichens, PaHs, primary processes of photosynthesis
Changed by Changed by: RNDr. Štěpán Zezulka, Ph.D., učo 4658. Changed: 10/4/2012 12:49.
Abstract
Our objective was to evaluate the short-term effect of polycyclic aromatic hydrocarbon fluoranthene (FLT) and its increasing concentration (0.01, 1 a 5 mg.l-1) on primary processes of photosynthesis in lichens. Responses of two foliose lichens, Lasallia pustulata and Umbilicaria hirsuta, both with green symbiotic algae Trebouxia sp., were studied using an induced chlorophyll fluorescence technique. The obtained results showed a negative affection of primary processes of photosynthesis. Higher FLT concentrations (1 and 5 mg.l-1) caused already after 60 hours of exposure significant increase of basal fluorescence (F0), decrease of potential quantum yield of photosystem II (FV/FM) and quantum yield of electron transport through photosystem II (PhiII).
Abstract (in English)
Our objective was to evaluate the short-term effect of polycyclic aromatic hydrocarbon fluoranthene (FLT) and its increasing concentration (0.01, 1 a 5 mg.l-1) on primary processes of photosynthesis in lichens. Responses of two foliose lichens, Lasallia pustulata and Umbilicaria hirsuta, both with green symbiotic algae Trebouxia sp., were studied using an induced chlorophyll fluorescence technique. The obtained results showed a negative affection of primary processes of photosynthesis. Higher FLT concentrations (1 and 5 mg.l-1) caused already after 60 hours of exposure significant increase of basal fluorescence (F0), decrease of potential quantum yield of photosystem II (FV/FM) and quantum yield of electron transport through photosystem II (PhiII).
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