Search results for "mate discrimination"

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Confrontation of cryptic diversity and mate discrimination within Gammarus pulex and Gammarus fossarum species complexes.

2014

16 pages; International audience; Freshwater amphipods Gammarus fossarum and Gammarus pulex are widespread in Europe, with some evidence of cryptic diversity in the former. We used DNA barcoding to assess genetic diversity within and among amphipod populations and examined mate discrimination and pre-copulatory pair formation between genetically divergent individuals. Eight distinct G. fossarum and four distinct G. pulex molecular operational taxonomic units (MOTUs) were detected. Among the 33 amphipod populations sampled, 11 contained a single MOTU, 11 had two and 11 were composed of three sympatric MOTUs. Genetic divergences between sympatric MOTUs (G. fossarum and G. pulex MOTUs combined…

[ SDV.BID ] Life Sciences [q-bio]/BiodiversityGenetic diversitycryptic diversityEcologymedia_common.quotation_subjectreproductive isolationZoologyGammarus fossarumReproductive isolation[SDV.BID]Life Sciences [q-bio]/BiodiversityAquatic ScienceBiologybiology.organism_classificationDNA barcodingSpeciationGammarus pulexGammarus pulexGenetic distanceSympatric speciation[ SDV.EE.IEO ] Life Sciences [q-bio]/Ecology environment/SymbiosisMatingmate discriminationmedia_common[SDV.EE.IEO]Life Sciences [q-bio]/Ecology environment/Symbiosis
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