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@article{1675537,
author = {Bednaříková, Michaela and Folgar Camean, Yeray and Kučerová, Zuzana and Lazár, Dušan and Špundová, Martina and Hájek, Josef and Barták, Miloš},
article_location = {Prague},
article_number = {2},
doi = {http://dx.doi.org/10.32615/ps.2019.180},
keywords = {conductivity; photosynthesis; photosystem II; thermal stability; transient},
language = {eng},
issn = {0300-3604},
journal = {Photosynthetica},
title = {Analysis of K-, and L-band appearance in OJIPs in Antarctic lichens in low and high temperature},
url = {https://ps.ueb.cas.cz/artkey/phs-202002-0045_special-issue-in-honour-of-prof-reto-j-strasser-8211-analysis-of-k-and-l-band-appearance-in-ojips-in-anta.php},
volume = {58},
year = {2020}
}
TY - JOUR
ID - 1675537
AU - Bednaříková, Michaela - Folgar Camean, Yeray - Kučerová, Zuzana - Lazár, Dušan - Špundová, Martina - Hájek, Josef - Barták, Miloš
PY - 2020
TI - Analysis of K-, and L-band appearance in OJIPs in Antarctic lichens in low and high temperature
JF - Photosynthetica
VL - 58
IS - 2
SP - 646-656
EP - 646-656
PB - Institute of Experimental Botany, ASCR
SN - 03003604
KW - conductivity
KW - photosynthesis
KW - photosystem II
KW - thermal stability
KW - transient
UR - https://ps.ueb.cas.cz/artkey/phs-202002-0045_special-issue-in-honour-of-prof-reto-j-strasser-8211-analysis-of-k-and-l-band-appearance-in-ojips-in-anta.php
L2 - https://ps.ueb.cas.cz/artkey/phs-202002-0045_special-issue-in-honour-of-prof-reto-j-strasser-8211-analysis-of-k-and-l-band-appearance-in-ojips-in-anta.php
N2 - In this study, we evaluated the effect of temperature on the fast chlorophyll fluorescence (ChlF) transient (OJIP) and OJIP-derived parameters in Antarctic lichens Xanthoria elegans, Usnea antarctica, and Dermatocarpon polyphyllizum. Samples were exposed to a range of temperatures (-5 to +45 degrees C) and measured after 15-min equilibration. High temperature (+45 degrees C) caused a decrease of ChlF, an increased J-step, and shortened time to reach peak ChlF (FP). Temperature below +5 degrees C caused the increase of ChlF and J-step. The K-band was identified in X. elegans (above +20 degrees C), U. antarctica (+35 degrees C), and D. polyphyllizum (+45 degrees C). L-band was well distinguishable in X. elegans (+45 degrees C). As indicated by the OJIP-derived parameters, high temperature inhibited photosystem II function. The inhibition was apparent as less effective energetic connectivity. The OJIP transients and auxiliary measurement of ChlF temperature curves suggested that X. elegans had the lowest termostability among the experimental species.
ER -
BEDNAŘÍKOVÁ, Michaela, Yeray FOLGAR CAMEAN, Zuzana KUČEROVÁ, Dušan LAZÁR, Martina ŠPUNDOVÁ, Josef HÁJEK a Miloš BARTÁK. Analysis of K-, and L-band appearance in OJIPs in Antarctic lichens in low and high temperature. \textit{Photosynthetica}. Prague: Institute of Experimental Botany, ASCR, roč.~58, č.~2, s.~646-656. ISSN~0300-3604. doi:10.32615/ps.2019.180. 2020.
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