Restoration of an inbred adder population

Thomas Madsen*, Richard Shine, Mats Olsson, Håkan Wittzell

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

396 Citations (Scopus)

Abstract

The negative effects of inbreeding on population size are well documented in captive animals, but there is surprisingly little evidence that genetic factors cause a decline in wild populations, apart from a reported correlation of low levels of genetic variability with a high incidence of malformed or stillborn offspring. From the point of view of conservation strategies, it is not only the effect of genetic factors on population decline that needs to be considered, but also whether introducing novel genes can prevent or reverse such a decline. Here we show that the introduction of new genes into a severely inbred and isolated population of adders (Vipera berus) halted its precipitous decline towards extinction and expanded the population dramatically.
Original languageEnglish
Pages (from-to)34-35
Number of pages2
JournalNature
Volume402
Issue number6757
DOIs
Publication statusPublished - 4 Nov 1999
Externally publishedYes

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