Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions
Using cryo scanning electron microscopy, the surface micromorphology of vegetative (leaf blade and ligule) and generative (pedicel and outer glume) organs in Deschampsia antarctica, one of the only two flowering plants native to Antarctica, was examined. Whereas the pedicel and outer glume were wax-...
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ftdoajarticles:oai:doaj.org/article:b96d5c811a9a44329aed0eb21d38b7f3 2023-05-15T13:51:45+02:00 Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions Elena V. Gorb Iryna A. Kozeretska Stanislav N. Gorb 2022-08-01T00:00:00Z https://doi.org/10.3762/bjnano.13.71 https://doaj.org/article/b96d5c811a9a44329aed0eb21d38b7f3 EN eng Beilstein-Institut https://doi.org/10.3762/bjnano.13.71 https://doaj.org/toc/2190-4286 2190-4286 doi:10.3762/bjnano.13.71 https://doaj.org/article/b96d5c811a9a44329aed0eb21d38b7f3 Beilstein Journal of Nanotechnology, Vol 13, Iss 1, Pp 807-816 (2022) cryo-sem microstructure plant surface wax projection Technology T Chemical technology TP1-1185 Science Q Physics QC1-999 article 2022 ftdoajarticles https://doi.org/10.3762/bjnano.13.71 2022-12-31T00:04:28Z Using cryo scanning electron microscopy, the surface micromorphology of vegetative (leaf blade and ligule) and generative (pedicel and outer glume) organs in Deschampsia antarctica, one of the only two flowering plants native to Antarctica, was examined. Whereas the pedicel and outer glume were wax-free, both leaf sides had a prominent epicuticular wax coverage consisting of two superimposed layers: polygonal rodlets formed by fused irregular platelets (the lower wax layer) and membraneous platelets (the upper wax layer). Although the adaxial (inner) and abaxial (outer) leaf surfaces showed a similar microstructure of the wax coverage, they differed in the thickness ratio between lower and upper wax layer. The ligule bore a very loose wax coverage composed of separate scale-like projections or clusters of them. We suppose that the two-layered wax densely covering both leaf surfaces might contribute to the plant adaptation to severe environmental conditions in Antarctica due to an increase of its resistance against cold temperatures, icing, harmful UV radiation, and dehydration. The presence of the epicuticular wax on the abaxial leaf side and the ligule as well as the hierarchical structure of the wax coverage on both leaf surfaces is described in D. antarctica for the first time. Article in Journal/Newspaper Antarc* Antarctica Directory of Open Access Journals: DOAJ Articles Beilstein Journal of Nanotechnology 13 807 816 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
cryo-sem microstructure plant surface wax projection Technology T Chemical technology TP1-1185 Science Q Physics QC1-999 |
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cryo-sem microstructure plant surface wax projection Technology T Chemical technology TP1-1185 Science Q Physics QC1-999 Elena V. Gorb Iryna A. Kozeretska Stanislav N. Gorb Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions |
topic_facet |
cryo-sem microstructure plant surface wax projection Technology T Chemical technology TP1-1185 Science Q Physics QC1-999 |
description |
Using cryo scanning electron microscopy, the surface micromorphology of vegetative (leaf blade and ligule) and generative (pedicel and outer glume) organs in Deschampsia antarctica, one of the only two flowering plants native to Antarctica, was examined. Whereas the pedicel and outer glume were wax-free, both leaf sides had a prominent epicuticular wax coverage consisting of two superimposed layers: polygonal rodlets formed by fused irregular platelets (the lower wax layer) and membraneous platelets (the upper wax layer). Although the adaxial (inner) and abaxial (outer) leaf surfaces showed a similar microstructure of the wax coverage, they differed in the thickness ratio between lower and upper wax layer. The ligule bore a very loose wax coverage composed of separate scale-like projections or clusters of them. We suppose that the two-layered wax densely covering both leaf surfaces might contribute to the plant adaptation to severe environmental conditions in Antarctica due to an increase of its resistance against cold temperatures, icing, harmful UV radiation, and dehydration. The presence of the epicuticular wax on the abaxial leaf side and the ligule as well as the hierarchical structure of the wax coverage on both leaf surfaces is described in D. antarctica for the first time. |
format |
Article in Journal/Newspaper |
author |
Elena V. Gorb Iryna A. Kozeretska Stanislav N. Gorb |
author_facet |
Elena V. Gorb Iryna A. Kozeretska Stanislav N. Gorb |
author_sort |
Elena V. Gorb |
title |
Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions |
title_short |
Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions |
title_full |
Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions |
title_fullStr |
Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions |
title_full_unstemmed |
Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions |
title_sort |
hierachical epicuticular wax coverage on leaves of deschampsia antarctica as a possible adaptation to severe environmental conditions |
publisher |
Beilstein-Institut |
publishDate |
2022 |
url |
https://doi.org/10.3762/bjnano.13.71 https://doaj.org/article/b96d5c811a9a44329aed0eb21d38b7f3 |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Beilstein Journal of Nanotechnology, Vol 13, Iss 1, Pp 807-816 (2022) |
op_relation |
https://doi.org/10.3762/bjnano.13.71 https://doaj.org/toc/2190-4286 2190-4286 doi:10.3762/bjnano.13.71 https://doaj.org/article/b96d5c811a9a44329aed0eb21d38b7f3 |
op_doi |
https://doi.org/10.3762/bjnano.13.71 |
container_title |
Beilstein Journal of Nanotechnology |
container_volume |
13 |
container_start_page |
807 |
op_container_end_page |
816 |
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1766255782115934208 |