6533b7cffe1ef96bd1258b4d
RESEARCH PRODUCT
Genetic variation in the primary sex ratio in populations of the intertidal copepod, Tigriopus californicus, is widespread on Vancouver Island.
Maarten J. Voordouw Gabe Stebbins H. Eve Robinson Marie-jeanne Perrot-minnot Thierry Rigaud Bradley R. Anholtsubject
[ SDE.BE ] Environmental Sciences/Biodiversity and Ecologycopepodfungipolygenic sex determination[ SDV.GEN.GA ] Life Sciences [q-bio]/Genetics/Animal genetics[SDV.GEN.GA] Life Sciences [q-bio]/Genetics/Animal geneticsheritability[ SDV.EE.ECO ] Life Sciences [q-bio]/Ecology environment/EcosystemsWolbachia.primary sex ratioparasitic diseases[SDV.BA.ZI] Life Sciences [q-bio]/Animal biology/Invertebrate Zoology[SDV.GEN.GPO] Life Sciences [q-bio]/Genetics/Populations and Evolution [q-bio.PE]microsporidiacytoplasmic sex ratio distortersTigriopus californicusRifampin[ SDV.BBM ] Life Sciences [q-bio]/Biochemistry Molecular BiologyWolbachiacytoplasmic feminizersdescription
Hypothesis: Genetic variation for the primary sex ratio is widespread in a copepodwith polygenic sex determination. Cytoplasmic sex ratio distorters (e.g. Wolbachia andmicrosporidians) influence the primary sex ratio in this copepod. Organism: The intertidal copepod, Tigriopus californicus; six populations from VancouverIsland, British Columbia. Study site: Quantitative genetics experiment in the laboratory. PCR and antibioticsexperiment to test for the presence of cytoplasmic sex ratio distorters. Results: Genetic variation for the primary sex ratio was found in five of the six populationssurveyed. The primary sex ratio was paternally transmitted. There was no evidence thatWolbachia or microsporidians influenced the primary sex ratio of T. californicus.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2011-06-07 |