Cytogenetics: an important inclusion in the conservation genetics toolbox
Sally Potter A B and Janine E. Deakin
C D
+ Author Affiliations
- Author Affiliations
A Research School of Biology, Australian National University, Acton, ACT 2601, Australia.
B Australian Museum Research Institute, Australian Museum, Sydney, NSW 2000, Australia.
C Institute for Applied Ecology, University of Canberra, Bruce, ACT 2617, Australia.
D Corresponding author. Email: janine.deakin@canberra.edu.au
Pacific Conservation Biology 24(3) 280-288 https://doi.org/10.1071/PC18016
Submitted: 1 February 2018 Accepted: 1 July 2018 Published: 20 July 2018
Abstract
Conservation uses information from genetics to assist in management decisions. However, conservation genetics typically assesses genetic diversity at the DNA level but this alone does not address all the risks associated with managing wild and captive populations. DNA is packaged into chromosomes. Differences in the number and morphology of chromosomes between species or even between populations of the same species can have important implications for management programs for threatened species. Cytogenetics, analysis of the higher molecular chromosome structure, can provide invaluable insight for the management of threatened species, where DNA alone could not address all genetic risks and threats to populations. Here we outline the important and valuable role of cytogenetics in conservation, highlighting two case studies based on threatened Australian marsupials: rock-wallabies and the Tasmanian devil. In conclusion, we summarise how cytogenetics should be better linked to conservation genetics and integrated into our management of threatened species, to ensure they have the best platform from which to persist and adapt into the future.
Additional keywords: genome, marsupials, wildlife management
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