NDLI: The genetic population structure of the ant Plagiolepis xene-implications for genetic vulnerability of obligate social parasites

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Conservation Genetics : Volume 7, Issue 1, February 2006

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The genetic population structure of the ant Plagiolepis xene-implications for genetic vulnerability of obligate social parasites

Content Provider	Springer Nature Link
Author	Trontti, Kalevi Aron, Serge Sundström, Liselotte
Copyright Year	2005
Abstract	Obligatory social parasites, such as ant species that need colonies of other ant species for reproduction, are rare and many of them are classified as vulnerable. This is especially the case with highly adapted permanent inquilines that are specialised on one or a few host species. Their rarity may be due to reduced dispersal abilities, as a result of reduced body size, altered wing morphology, and curtailed nuptial flight, eventually leading to inbreeding. Furthermore, the host populations may differ in their ability to resist the parasite, yet the conditions of successful parasite invasion are largely unknown. Here we investigated the population structure of the inquiline ant Plagiolepis xene and its host P. pygmaea, using microsatellite data. Genetic differentiation, inbreeding, the effective population size and nest kin structure were analysed. We found that populations of P. xene are established by a single or at most a few individuals, and that the populations were genetically highly differentiated. However, within individual host populations the parasite is able to maintain panmixia, although data on the host suggests that the local distribution of the parasite also follows patterns of substructuring in the host population. Altogether our results suggest that inquiline parasite populations are genetically highly vulnerable.
Starting Page	241
Ending Page	250
Page Count	10
File Format	PDF
ISSN	15660621
Journal	Conservation Genetics
Volume Number	7
Issue Number	2
e-ISSN	15729737
Language	English
Publisher	Springer Netherlands
Publisher Date	2005-12-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	genetic vulnerability inquilinism Plagiolepis xene population structure social parasitism Evolutionary Biology Plant Sciences Animal Anatomy / Morphology / Histology Human Genetics
Content Type	Text
Resource Type	Article
Subject	Genetics Ecology, Evolution, Behavior and Systematics

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