Skip navigation
Skip navigation

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

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,...[Show more]

dc.contributor.authorSkotnicki, Mary
dc.contributor.authorSelkirk, Patricia M
dc.contributor.authorNinham, J
dc.date.accessioned2015-12-13T23:34:59Z
dc.identifier.issn0722-4060
dc.identifier.urihttp://hdl.handle.net/1885/93704
dc.description.abstractThe 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.
dc.publisherSpringer
dc.sourcePolar Biology
dc.subjectKeywords: antarctica; dispersal; genetic diversity; plant growth; random amplified polymorphic DNA; somatic mutation; dispersal; genetic analysis; genetic variation; moss; Antarctica; Bryum argenteum
dc.titleRABD analysis of genetic variation and dispersal of the moss Bryum argenteum in Ross Island and Victoria Land, Antarctica
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume21
dc.date.issued1999
local.identifier.absfor060308 - Life Histories
local.identifier.ariespublicationMigratedxPub25097
local.type.statusPublished Version
local.contributor.affiliationSkotnicki, Mary, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationSelkirk, Patricia M, Macquarie University
local.contributor.affiliationNinham, J, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.startpage417
local.bibliographicCitation.lastpage422
local.identifier.doi10.1007/s003000050382
dc.date.updated2015-12-12T09:38:14Z
local.identifier.scopusID2-s2.0-0033048138
CollectionsANU Research Publications

Download

File Description SizeFormat Image
01_Skotnicki_RABD_analysis_of_genetic_1999.pdf103.97 kBAdobe PDF    Request a copy


Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.

Updated:  19 May 2020/ Responsible Officer:  University Librarian/ Page Contact:  Library Systems & Web Coordinator