Document Detail


Role of male-biased dispersal in inbreeding avoidance in the grey-sided vole (Myodes rufocanus).
MedLine Citation:
PMID:  19140979     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Effects of male-biased dispersal on inbreeding avoidance were investigated in a semi-natural population of Myodes (formerly Clethrionomys) rufocanus using a large outdoor enclosure (3 ha). Parentage of 918 voles weaned from 215 litters and relatedness of mates were analysed using microsatellite loci, and dispersal distances were obtained from mark-recapture live-trapping data. Natal and breeding male-biased dispersal was observed. There remained, however, chances that incestuous mating could occur, because not all males dispersed from their natal site, and 51 matings occurred between relatives (relatedness r > 0). The number of weaned juveniles from inbred litters was significantly smaller than that from non-inbred litters. Fourteen incestuous matings occurred between close relatives (r >or= 0.25), most of which were those between non-littermate maternal half siblings (four cases) and those between paternal half siblings (seven cases). When comparing the observed frequencies to the expected ones generated by combining every oestrous female with a male randomly chosen from her surroundings, the observed values for inbreeding of r >or= 0.25 were significantly smaller than the expectations, while no difference was observed for inbreeding of 0 < r < 0.25. These results suggest that male-biased dispersal is partly effective to avoid incestuous mating, but it does not provide complete separation of male and female close relatives. Additional mechanisms such as kin discrimination based on familiarity may work in inbreeding avoidance of the vole.
Authors:
Yasuyuki Ishibashi; Takashi Saitoh
Related Documents :
22685669 - Routine use of color doppler in fetal heart scanning in a low-risk population.
17519559 - Behavioral evaluation of male and female mice pups exposed to fluoxetine during pregnan...
858779 - Studies on human sexual development. v. concentrations of testosterone, 17-hydroxyproge...
11259719 - Paternal and maternal components of the predisposition to preeclampsia.
2631539 - Human chorionic gonadotropin in cord blood and peripheral maternal blood in singleton a...
9253009 - Neurobehavioral consequences of intermittent prenatal exposure to high concentrations o...
18832919 - Thrombotic thrombocytopenic purpura in a patient with very early pregnancy: clinical pr...
15361279 - The use of selective serotonin reuptake inhibitors in pregnancy.
18091359 - Fetal onset of general movements.
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Molecular ecology     Volume:  17     ISSN:  1365-294X     ISO Abbreviation:  Mol. Ecol.     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2009-01-14     Completed Date:  2009-01-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9214478     Medline TA:  Mol Ecol     Country:  England    
Other Details:
Languages:  eng     Pagination:  4887-96     Citation Subset:  IM    
Affiliation:
Hokkaido Research Centre, Forestry and Forest Products Research Institute, Toyohira-ku, Sapporo 062-8516, Japan. stone@ffpri.affrc.go.jp
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Alleles
Animals
Arvicolinae / genetics*
Female
Genetics, Population*
Inbreeding*
Male
Microsatellite Repeats
Sequence Analysis, DNA
Sexual Behavior, Animal*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Combining direct and indirect genetic methods to estimate dispersal for informing wildlife disease m...
Next Document:  Can clone size serve as a proxy for clone age? An exploration using microsatellite divergence in Pop...