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Characterization of microsatellite loci in the subsocial spider Stegodyphus lineatus (Araneae: Eresidae)
Author(s) -
BILDE T.,
TUNI C.,
CARIANI A.,
SANTINI A.,
TABARRONI C.,
GAROIA F.,
GOODACRE S. L.
Publication year - 2009
Publication title -
molecular ecology resources
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.96
H-Index - 136
eISSN - 1755-0998
pISSN - 1755-098X
DOI - 10.1111/j.1755-0998.2008.02296.x
Subject(s) - biology , inbreeding , microsatellite , mating , inbreeding avoidance , spider , loss of heterozygosity , evolutionary biology , genetics , mating system , ecology , zoology , mate choice , allele , gene , population , demography , sociology
Stegodyphus lineatus spiders live in groups consisting of closely related individuals. There appears to be no discrimination against related individuals as mates but females mate multiply, despite the fact that matings are shown to carry a cost. We have developed eight polymorphic dinucleotide microsatellite markers that allow us to assess levels of heterozygosity and relatedness among individuals of this species. These molecular markers are likely to prove highly effective tools for estimating levels of inbreeding and thus allow us to test hypotheses about the relationships between social structure, mating strategies and inbreeding avoidance.
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