Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication)
Digital microscopy is an emerging technique that combines the tools of classic light microscopy with a computerized imaging system. The main components of digital microscopy is image formation by optics of the system, image registration by a digital camera, saving of image data in a file format that...
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ftmasarykunivojs:oai:ojs.journals.muni.cz:article/12888 2023-05-15T13:46:41+02:00 Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication) Ošťádal, Rastislav Hazdrová, Jana 2016-01-01 application/pdf http://journals.muni.cz/CPR/article/view/12888 eng eng Masaryk Univerzity http://journals.muni.cz/CPR/article/view/12888/11226 http://journals.muni.cz/CPR/article/view/12888 Copyright (c) 2020 Czech Polar Reports https://creativecommons.org/licenses/by-nc-nd/4.0 CC-BY-NC-ND Czech Polar Reports; Vol 6 No 1 (2016); 80-86 Czech Polar Reports; Vol. 6 No. 1 (2016); 80-86 1805-0697 1805-0689 Xanthoria elegans Umbilicaria decussata thallus hydration thallus dimension morphometry info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2016 ftmasarykunivojs 2022-06-26T10:16:32Z Digital microscopy is an emerging technique that combines the tools of classic light microscopy with a computerized imaging system. The main components of digital microscopy is image formation by optics of the system, image registration by a digital camera, saving of image data in a file format that enables advanced image analysis.In this paper, we bring first data on application of digital microscopy approach in lichen thallus morphology study. Two Antarctic lichen species (Xanthoria elegans, Umbilicaria decussata) with a foliose morphotype of their thallus were studied. Both experimental species had an irregularly round or eliptic shape of a thallus that enabled to measure its diameter. After magnifition, images were taken in dry and fully-hydrated state of thallus in order to evaluate hydration-dependent size changes in thallus size and structures. It has been demonstrated that hydration-dependent size increment depend on thallus size and particular part of thallus. Mean increment of thallus diameter reached 15.1% and 13.8% for X. elegans and U. decussata, respectively. Higher value of diameter increment (26 %) was found for the upper projection area of apothecia, fruiting bodies developed over the upper thallus surface of X. elegans. Size and volume increment in thallus parts is discussed as a consequence of water holding capacity of lichens, and a capability of lichens to hold intra- and extracellular water upon full hydration of a thallus. Finally, a potential of digital microscopy for future studies is discussed as well as some processing techniques such as e.g. metrics of profile lines through 3-D objects like apothecia. Article in Journal/Newspaper Antarc* Antarctic Masaryk University Journals Antarctic |
institution |
Open Polar |
collection |
Masaryk University Journals |
op_collection_id |
ftmasarykunivojs |
language |
English |
topic |
Xanthoria elegans Umbilicaria decussata thallus hydration thallus dimension morphometry |
spellingShingle |
Xanthoria elegans Umbilicaria decussata thallus hydration thallus dimension morphometry Ošťádal, Rastislav Hazdrová, Jana Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication) |
topic_facet |
Xanthoria elegans Umbilicaria decussata thallus hydration thallus dimension morphometry |
description |
Digital microscopy is an emerging technique that combines the tools of classic light microscopy with a computerized imaging system. The main components of digital microscopy is image formation by optics of the system, image registration by a digital camera, saving of image data in a file format that enables advanced image analysis.In this paper, we bring first data on application of digital microscopy approach in lichen thallus morphology study. Two Antarctic lichen species (Xanthoria elegans, Umbilicaria decussata) with a foliose morphotype of their thallus were studied. Both experimental species had an irregularly round or eliptic shape of a thallus that enabled to measure its diameter. After magnifition, images were taken in dry and fully-hydrated state of thallus in order to evaluate hydration-dependent size changes in thallus size and structures. It has been demonstrated that hydration-dependent size increment depend on thallus size and particular part of thallus. Mean increment of thallus diameter reached 15.1% and 13.8% for X. elegans and U. decussata, respectively. Higher value of diameter increment (26 %) was found for the upper projection area of apothecia, fruiting bodies developed over the upper thallus surface of X. elegans. Size and volume increment in thallus parts is discussed as a consequence of water holding capacity of lichens, and a capability of lichens to hold intra- and extracellular water upon full hydration of a thallus. Finally, a potential of digital microscopy for future studies is discussed as well as some processing techniques such as e.g. metrics of profile lines through 3-D objects like apothecia. |
format |
Article in Journal/Newspaper |
author |
Ošťádal, Rastislav Hazdrová, Jana |
author_facet |
Ošťádal, Rastislav Hazdrová, Jana |
author_sort |
Ošťádal, Rastislav |
title |
Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication) |
title_short |
Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication) |
title_full |
Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication) |
title_fullStr |
Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication) |
title_full_unstemmed |
Thallus morphology of two Antarctic foliose lichens evaluated by a digital optical microscopy approach ( Short Communication) |
title_sort |
thallus morphology of two antarctic foliose lichens evaluated by a digital optical microscopy approach ( short communication) |
publisher |
Masaryk Univerzity |
publishDate |
2016 |
url |
http://journals.muni.cz/CPR/article/view/12888 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Czech Polar Reports; Vol 6 No 1 (2016); 80-86 Czech Polar Reports; Vol. 6 No. 1 (2016); 80-86 1805-0697 1805-0689 |
op_relation |
http://journals.muni.cz/CPR/article/view/12888/11226 http://journals.muni.cz/CPR/article/view/12888 |
op_rights |
Copyright (c) 2020 Czech Polar Reports https://creativecommons.org/licenses/by-nc-nd/4.0 |
op_rightsnorm |
CC-BY-NC-ND |
_version_ |
1766245074850545664 |