Publication details

Affection of photosynthesis in lichens by photomodified polycyclic aromatic hydrocarbon fluoranthene

Authors

ZEZULKA Štěpán KUMMEROVÁ Marie KRULOVÁ Jana

Year of publication 2005
Type Conference abstract
MU Faculty or unit

Faculty of Science

Citation
Description 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.

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