Non-invasive genetic sampling and individual identification
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ID: 305904
1999
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Abstract
Individual identification via non-invasive sampling is of prime importance in conservation genetics and in behavioural ecology. This approach allows for genetics studies of wild animals without having to catch them, or even to observe them. The material used as a source of DNA is usually faeces, shed hairs, or shed feathers. It has been recendy shown that this material may lead to genotyping errors, mainly due to allelic dropout. In addition to these technical errors, there are problems with accurately estimating the probability of identity (PI, or the probability of two individuals having identical genotypes) because of the presence of close relatives in natural populations. As a consequence, before initiating an extensive study involving non-invasive sampling, we strongly suggest conducting a pilot study to assess both the technical difficulties and the PI for the genetic markers to be used. This pilot study could be carried out in three steps: (i) estimation of the PI using preliminary genetic data; (ii) simulations taking into account the PI and choosing the technical error rate mat is sufficiently low for assessing the scientific question; (iii) polymerase chain reaction (PCR) experiments to check if it is technically possible to achieve this error rate.
| Reference Key |
openalex_W2010722055
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|---|---|
| Authors | Pierre Taberlet, Gordon Luikart |
| Journal | biological journal of the linnean society |
| Year | 1999 |
| DOI |
10.1111/j.1095-8312.1999.tb01157.x
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| URL | |
| Keywords | Keywords not found |
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