pEffects of UV radiation on the ultrastructure of several red algae
SUMMARY The effect of ultraviolet (UV) radiation on the ultrastructure of four red algae, the endemic Antarctic Palmaria decipiens (Reinsch) Ricker and Phycodrys austrogeorgica Skottsberg, the Arctic‐cold temperate Palmaria palmata (Linnaeus) O. Kuntze and the cosmopolitan Bangia atropurpurea (Roth)...
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Online Access: | http://dx.doi.org/10.1046/j.1440-1835.2003.00288.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1835.2003.00288.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1440-1835.2003.00288.x |
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crwiley:10.1046/j.1440-1835.2003.00288.x 2024-06-23T07:47:47+00:00 pEffects of UV radiation on the ultrastructure of several red algae Poppe, Frank Schmidt, Ralf A. M. Hanelt, Dieter Wiencke, Christian 2003 http://dx.doi.org/10.1046/j.1440-1835.2003.00288.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1835.2003.00288.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1440-1835.2003.00288.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Phycological Research volume 51, issue 1, page 11-19 ISSN 1322-0829 1440-1835 journal-article 2003 crwiley https://doi.org/10.1046/j.1440-1835.2003.00288.x 2024-06-13T04:25:27Z SUMMARY The effect of ultraviolet (UV) radiation on the ultrastructure of four red algae, the endemic Antarctic Palmaria decipiens (Reinsch) Ricker and Phycodrys austrogeorgica Skottsberg, the Arctic‐cold temperate Palmaria palmata (Linnaeus) O. Kuntze and the cosmopolitan Bangia atropurpurea (Roth) C. Agardh was studied. All four species showed a formation of ‘inside‐out’ vesicles from the chloroplast thylakoids upon exposure to artificial UV‐radiation. In P. decipiens , most vesicles were developed after 8 h and in P. palmata , after 48 h of UV exposure. In B. atropurpurea , vesi‐culation of thylakoids was observed after 72 h of UV irradiation. In Ph. austrogeorgica , the chloroplast envelope and thylakoid membranes were damaged and the phycobilisomes became detached from the thylakoids after 12 h of UV exposure. Ultraviolet‐induced changes in the membrane structure of mitochondria were observed in P. decipiens and P. palmata . However, in P. decipiens they were reversible as was the damage in chloroplast fine structure after 12 h of UV treatment. Protein crystals in Ph. austrogeorgica showed degradation after exposure to UV radiation. Different methods of fixation and embedding macroalgal material are discussed. These findings give insight into the fine structural changes which occur during and after UV exposure and indicate a relationship between the species dependent sensitivity to UV‐exposure and the depth distribution of the different species. Article in Journal/Newspaper Antarc* Antarctic Arctic Wiley Online Library Antarctic Arctic Skottsberg ENVELOPE(-60.809,-60.809,-63.921,-63.921) Phycological Research 51 1 11 19 |
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Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
SUMMARY The effect of ultraviolet (UV) radiation on the ultrastructure of four red algae, the endemic Antarctic Palmaria decipiens (Reinsch) Ricker and Phycodrys austrogeorgica Skottsberg, the Arctic‐cold temperate Palmaria palmata (Linnaeus) O. Kuntze and the cosmopolitan Bangia atropurpurea (Roth) C. Agardh was studied. All four species showed a formation of ‘inside‐out’ vesicles from the chloroplast thylakoids upon exposure to artificial UV‐radiation. In P. decipiens , most vesicles were developed after 8 h and in P. palmata , after 48 h of UV exposure. In B. atropurpurea , vesi‐culation of thylakoids was observed after 72 h of UV irradiation. In Ph. austrogeorgica , the chloroplast envelope and thylakoid membranes were damaged and the phycobilisomes became detached from the thylakoids after 12 h of UV exposure. Ultraviolet‐induced changes in the membrane structure of mitochondria were observed in P. decipiens and P. palmata . However, in P. decipiens they were reversible as was the damage in chloroplast fine structure after 12 h of UV treatment. Protein crystals in Ph. austrogeorgica showed degradation after exposure to UV radiation. Different methods of fixation and embedding macroalgal material are discussed. These findings give insight into the fine structural changes which occur during and after UV exposure and indicate a relationship between the species dependent sensitivity to UV‐exposure and the depth distribution of the different species. |
format |
Article in Journal/Newspaper |
author |
Poppe, Frank Schmidt, Ralf A. M. Hanelt, Dieter Wiencke, Christian |
spellingShingle |
Poppe, Frank Schmidt, Ralf A. M. Hanelt, Dieter Wiencke, Christian pEffects of UV radiation on the ultrastructure of several red algae |
author_facet |
Poppe, Frank Schmidt, Ralf A. M. Hanelt, Dieter Wiencke, Christian |
author_sort |
Poppe, Frank |
title |
pEffects of UV radiation on the ultrastructure of several red algae |
title_short |
pEffects of UV radiation on the ultrastructure of several red algae |
title_full |
pEffects of UV radiation on the ultrastructure of several red algae |
title_fullStr |
pEffects of UV radiation on the ultrastructure of several red algae |
title_full_unstemmed |
pEffects of UV radiation on the ultrastructure of several red algae |
title_sort |
peffects of uv radiation on the ultrastructure of several red algae |
publisher |
Wiley |
publishDate |
2003 |
url |
http://dx.doi.org/10.1046/j.1440-1835.2003.00288.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1835.2003.00288.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1440-1835.2003.00288.x |
long_lat |
ENVELOPE(-60.809,-60.809,-63.921,-63.921) |
geographic |
Antarctic Arctic Skottsberg |
geographic_facet |
Antarctic Arctic Skottsberg |
genre |
Antarc* Antarctic Arctic |
genre_facet |
Antarc* Antarctic Arctic |
op_source |
Phycological Research volume 51, issue 1, page 11-19 ISSN 1322-0829 1440-1835 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1046/j.1440-1835.2003.00288.x |
container_title |
Phycological Research |
container_volume |
51 |
container_issue |
1 |
container_start_page |
11 |
op_container_end_page |
19 |
_version_ |
1802637935123628032 |