RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica
The Random Amplified Polymorphic DNA technique was used to assess the level of genetic diversity in Bryum argenteum from Ross Island and southern Victoria Land, Antarctica. Samples were collected from three separate transects, and from other geographically distinct populations within 150 km of Ross...
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ftanucanberra:oai:openresearch-repository.anu.edu.au:1885/93704 2024-01-14T10:00:54+01:00 RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica Skotnicki, Mary Selkirk, Patricia M Ninham, J http://hdl.handle.net/1885/93704 https://doi.org/10.1007/s003000050382 https://openresearch-repository.anu.edu.au/bitstream/1885/93704/5/MigratedxPub25097_RSD_1999.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/93704/7/01_Skotnicki_RABD_analysis_of_genetic_1999.pdf.jpg unknown Springer 0722-4060 http://hdl.handle.net/1885/93704 doi:10.1007/s003000050382 https://openresearch-repository.anu.edu.au/bitstream/1885/93704/5/MigratedxPub25097_RSD_1999.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/93704/7/01_Skotnicki_RABD_analysis_of_genetic_1999.pdf.jpg Polar Biology Keywords: antarctica dispersal genetic diversity plant growth random amplified polymorphic DNA somatic mutation genetic analysis genetic variation moss Antarctica Bryum argenteum Journal article ftanucanberra https://doi.org/10.1007/s003000050382 2023-12-15T09:33:03Z The Random Amplified Polymorphic DNA technique was used to assess the level of genetic diversity in Bryum argenteum from Ross Island and southern Victoria Land, Antarctica. Samples were collected from three separate transects, and from other geographically distinct populations within 150 km of Ross Island. Moss growth in two transects, sampled down small exposed meltstream channels at Cape Royds and Cape Chocolate, was very sparse with no other moss colonies found within 0.4 or 4 km, respectively. However, samples from these channels showed similar levels of genetic variation to those From a transect at Granite Harbour, where moss colonies were large, luxuriant and turf-like between boulders. In all transects, high levels of genetic diversity were apparent both within and between colonies, and some spatial relationships were observed down the length of the channels, with more extensive variation at the top than the bottom of two transects. Samples from other sites in the region showed varying but high levels of genetic diversity; overall, the majority showed some clustering according to site of collection, with short-distance dispersal of propagules by water and transmission between sites presumably by wind. The extensive genetic diversity observed appears mainly due to somatic mutation within colonies, with some contribution by immigration of propagules from elsewhere into established colonies. Article in Journal/Newspaper Antarc* Antarctica Polar Biology Ross Island Victoria Land Australian National University: ANU Digital Collections Victoria Land Ross Island Granite Harbour ENVELOPE(162.733,162.733,-76.883,-76.883) Royds ENVELOPE(166.150,166.150,-77.550,-77.550) Cape Royds ENVELOPE(166.150,166.150,-77.550,-77.550) Cape Chocolate ENVELOPE(166.050,166.050,-72.600,-72.600) Polar Biology 21 6 417 422 |
institution |
Open Polar |
collection |
Australian National University: ANU Digital Collections |
op_collection_id |
ftanucanberra |
language |
unknown |
topic |
Keywords: antarctica dispersal genetic diversity plant growth random amplified polymorphic DNA somatic mutation genetic analysis genetic variation moss Antarctica Bryum argenteum |
spellingShingle |
Keywords: antarctica dispersal genetic diversity plant growth random amplified polymorphic DNA somatic mutation genetic analysis genetic variation moss Antarctica Bryum argenteum Skotnicki, Mary Selkirk, Patricia M Ninham, J RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica |
topic_facet |
Keywords: antarctica dispersal genetic diversity plant growth random amplified polymorphic DNA somatic mutation genetic analysis genetic variation moss Antarctica Bryum argenteum |
description |
The Random Amplified Polymorphic DNA technique was used to assess the level of genetic diversity in Bryum argenteum from Ross Island and southern Victoria Land, Antarctica. Samples were collected from three separate transects, and from other geographically distinct populations within 150 km of Ross Island. Moss growth in two transects, sampled down small exposed meltstream channels at Cape Royds and Cape Chocolate, was very sparse with no other moss colonies found within 0.4 or 4 km, respectively. However, samples from these channels showed similar levels of genetic variation to those From a transect at Granite Harbour, where moss colonies were large, luxuriant and turf-like between boulders. In all transects, high levels of genetic diversity were apparent both within and between colonies, and some spatial relationships were observed down the length of the channels, with more extensive variation at the top than the bottom of two transects. Samples from other sites in the region showed varying but high levels of genetic diversity; overall, the majority showed some clustering according to site of collection, with short-distance dispersal of propagules by water and transmission between sites presumably by wind. The extensive genetic diversity observed appears mainly due to somatic mutation within colonies, with some contribution by immigration of propagules from elsewhere into established colonies. |
format |
Article in Journal/Newspaper |
author |
Skotnicki, Mary Selkirk, Patricia M Ninham, J |
author_facet |
Skotnicki, Mary Selkirk, Patricia M Ninham, J |
author_sort |
Skotnicki, Mary |
title |
RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica |
title_short |
RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica |
title_full |
RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica |
title_fullStr |
RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica |
title_full_unstemmed |
RABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica |
title_sort |
rabd analysis of genetic variation and dispersal of the moss bryum argenteum in ross island and victoria land, antarctica |
publisher |
Springer |
url |
http://hdl.handle.net/1885/93704 https://doi.org/10.1007/s003000050382 https://openresearch-repository.anu.edu.au/bitstream/1885/93704/5/MigratedxPub25097_RSD_1999.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/93704/7/01_Skotnicki_RABD_analysis_of_genetic_1999.pdf.jpg |
long_lat |
ENVELOPE(162.733,162.733,-76.883,-76.883) ENVELOPE(166.150,166.150,-77.550,-77.550) ENVELOPE(166.150,166.150,-77.550,-77.550) ENVELOPE(166.050,166.050,-72.600,-72.600) |
geographic |
Victoria Land Ross Island Granite Harbour Royds Cape Royds Cape Chocolate |
geographic_facet |
Victoria Land Ross Island Granite Harbour Royds Cape Royds Cape Chocolate |
genre |
Antarc* Antarctica Polar Biology Ross Island Victoria Land |
genre_facet |
Antarc* Antarctica Polar Biology Ross Island Victoria Land |
op_source |
Polar Biology |
op_relation |
0722-4060 http://hdl.handle.net/1885/93704 doi:10.1007/s003000050382 https://openresearch-repository.anu.edu.au/bitstream/1885/93704/5/MigratedxPub25097_RSD_1999.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/93704/7/01_Skotnicki_RABD_analysis_of_genetic_1999.pdf.jpg |
op_doi |
https://doi.org/10.1007/s003000050382 |
container_title |
Polar Biology |
container_volume |
21 |
container_issue |
6 |
container_start_page |
417 |
op_container_end_page |
422 |
_version_ |
1788066773063434240 |