| VRÁBLÍKOVÁ, Hana, Miloš BARTÁK a Astrid WÖNISCH. Changes in glutathione and xanthophyll cycle pigments in high light-stressed lichens Umbilicaria antarctica and Lasallia pustulata. Journal of Photochemistry and Photobiology B: biology. Elsevier, 2005, roč. 79, č. 3, s. 35-41. ISSN 1011-1344. |
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@article{566465,
author = {Vráblíková, Hana and Barták, Miloš and Wönisch, Astrid},
article_number = {3},
keywords = {High light; Glutathione; Zeaxanthin; Non-photochemical quenching; Photoinhibition; Lichens},
language = {cze},
issn = {1011-1344},
journal = {Journal of Photochemistry and Photobiology B: biology},
title = {Changes in glutathione and xanthophyll cycle pigments in high light-stressed lichens Umbilicaria antarctica and Lasallia pustulata},
volume = {79},
year = {2005}
}
TY - JOUR
ID - 566465
AU - Vráblíková, Hana - Barták, Miloš - Wönisch, Astrid
PY - 2005
TI - Changes in glutathione and xanthophyll cycle pigments in high light-stressed lichens Umbilicaria antarctica and Lasallia pustulata
JF - Journal of Photochemistry and Photobiology B: biology
VL - 79
IS - 3
SP - 35-41
EP - 35-41
PB - Elsevier
SN - 10111344
KW - High light
KW - Glutathione
KW - Zeaxanthin
KW - Non-photochemical quenching
KW - Photoinhibition
KW - Lichens
N2 - Hydrated thalli of two lichen species Umbilicaria antarctica and Lasallia pustulata were exposed to high light (1800 umol m-2 s-1) for 30 min. High light exposure led to a decrease of total glutathione in both species, while de-epoxidation state of xanthophyll cycle pigments and non-photochemical quenching increased. In the subsequent recovery, the values of de-epoxidation state of xanthophyll cycle pigments decreased towards initial values. Glutathione (GSH) was resynthetised slowly. In conclusion, zeaxanthin-related protection is probably more involved than GSH-related protection in short-term response to high light stress in U. antarctica and L. pustulata. Faster recovery from photoinhibition in L. pustulata than U. antarctica is mainly due to faster conversion of zeaxanthin to violaxanthin and larger GSH pool of former species.
ER -
VRÁBLÍKOVÁ, Hana, Miloš BARTÁK a Astrid WÖNISCH. Changes in glutathione and xanthophyll cycle pigments in high light-stressed lichens $<$i$>$Umbilicaria antarctica$<$i$>$ and $<$i$>$Lasallia pustulata$<$i$>$. \textit{Journal of Photochemistry and Photobiology B: biology}. Elsevier, 2005, roč.~79, č.~3, s.~35-41. ISSN~1011-1344.
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