Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication )
Chlorophyll fluorescence is an effective tool for investigating characteristics of any photosynthesizing organisms and its responses due to different stressors. Here, we have studied a short-term temperature response on three Antarctic green algal lichen species: Umbilicaria antarctica, Xanthoria el...
Published in: | Czech Polar Reports |
---|---|
Main Authors: | , , , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
Masaryk University Press
2015
|
Subjects: | |
Online Access: | http://dx.doi.org/10.5817/cpr2015-1-10 https://journals.muni.cz/CPR/article/viewFile/12870/11204 |
id |
crmasarykunivpr:10.5817/cpr2015-1-10 |
---|---|
record_format |
openpolar |
spelling |
crmasarykunivpr:10.5817/cpr2015-1-10 2024-06-23T07:47:10+00:00 Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication ) Mishra, Anamika Hájek, Josef Tuháčková, Tereza Barták, Miloš Mishra, Kumud Bandhu 2015 http://dx.doi.org/10.5817/cpr2015-1-10 https://journals.muni.cz/CPR/article/viewFile/12870/11204 unknown Masaryk University Press http://creativecommons.org/licenses/by-nc-nd/4.0 Czech Polar Reports volume 5, issue 1, page 99-111 ISSN 1805-0697 1805-0689 journal-article 2015 crmasarykunivpr https://doi.org/10.5817/cpr2015-1-10 2024-06-13T04:16:15Z Chlorophyll fluorescence is an effective tool for investigating characteristics of any photosynthesizing organisms and its responses due to different stressors. Here, we have studied a short-term temperature response on three Antarctic green algal lichen species: Umbilicaria antarctica, Xanthoria elegans, and Rhizoplaca melanophtalma. We measured slow chlorophyll fluorescence transients in these Antarctic lichen species during slowely cooling of thallus temperature from 20°C to 5, 0 and -5°C with 20 minute acclimation at each temperature. The measurements were supplemented with saturation pulses for the analysis of chlorophyll fluorescence parameters: maximum yield of PS II photochemistry (FV/FM), effective quantum yield of PS II photochemistry (FPSII) and quenching parameters. In response to decreasing thallus temperature, we observed species-specific changes in chlorophyll fluorescence parameters as well as in the shape of the chlorophyll fluorescence transients. We propose that species-specific changes in the slow phase of chlorophyll fluorescence transients can be potentially used as indicators of freezing stress in photosynthetic apparatus of lichen algal photobionts. Article in Journal/Newspaper Antarc* Antarctic Antarctica Munipress - Masaryk University Press Antarctic Czech Polar Reports 5 1 99 111 |
institution |
Open Polar |
collection |
Munipress - Masaryk University Press |
op_collection_id |
crmasarykunivpr |
language |
unknown |
description |
Chlorophyll fluorescence is an effective tool for investigating characteristics of any photosynthesizing organisms and its responses due to different stressors. Here, we have studied a short-term temperature response on three Antarctic green algal lichen species: Umbilicaria antarctica, Xanthoria elegans, and Rhizoplaca melanophtalma. We measured slow chlorophyll fluorescence transients in these Antarctic lichen species during slowely cooling of thallus temperature from 20°C to 5, 0 and -5°C with 20 minute acclimation at each temperature. The measurements were supplemented with saturation pulses for the analysis of chlorophyll fluorescence parameters: maximum yield of PS II photochemistry (FV/FM), effective quantum yield of PS II photochemistry (FPSII) and quenching parameters. In response to decreasing thallus temperature, we observed species-specific changes in chlorophyll fluorescence parameters as well as in the shape of the chlorophyll fluorescence transients. We propose that species-specific changes in the slow phase of chlorophyll fluorescence transients can be potentially used as indicators of freezing stress in photosynthetic apparatus of lichen algal photobionts. |
format |
Article in Journal/Newspaper |
author |
Mishra, Anamika Hájek, Josef Tuháčková, Tereza Barták, Miloš Mishra, Kumud Bandhu |
spellingShingle |
Mishra, Anamika Hájek, Josef Tuháčková, Tereza Barták, Miloš Mishra, Kumud Bandhu Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication ) |
author_facet |
Mishra, Anamika Hájek, Josef Tuháčková, Tereza Barták, Miloš Mishra, Kumud Bandhu |
author_sort |
Mishra, Anamika |
title |
Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication ) |
title_short |
Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication ) |
title_full |
Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication ) |
title_fullStr |
Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication ) |
title_full_unstemmed |
Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions ( Short Communication ) |
title_sort |
features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem ii of algal lichens from polar regions ( short communication ) |
publisher |
Masaryk University Press |
publishDate |
2015 |
url |
http://dx.doi.org/10.5817/cpr2015-1-10 https://journals.muni.cz/CPR/article/viewFile/12870/11204 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Czech Polar Reports volume 5, issue 1, page 99-111 ISSN 1805-0697 1805-0689 |
op_rights |
http://creativecommons.org/licenses/by-nc-nd/4.0 |
op_doi |
https://doi.org/10.5817/cpr2015-1-10 |
container_title |
Czech Polar Reports |
container_volume |
5 |
container_issue |
1 |
container_start_page |
99 |
op_container_end_page |
111 |
_version_ |
1802651253689286656 |