VISSER Bertanne

  • Evolution and Ecophysiology lab - Earth and Life Institute, UCLouvain, Louvain-la-Neuve, Belgium
  • Adaptation, Behavior & Social Evolution, Evolutionary Ecology, Genotype-Phenotype, Life History, Macroevolution, Molecular Evolution, Phenotypic Plasticity, Phylogenetics / Phylogenomics, Sexual Selection, Species interactions
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ACADEMIC INTERESTS - My work is aimed at understanding how ecological conditions affect the evolution of physiological traits, which spans from studying macro-evolutionary patterns to individual genes. My main model organisms are parasitic wasps (Hymenoptera), because these insects evolved an atypical response to superfluous feeding by lacking the ability for lipid synthesis. I have further published on topics including sexual selection, life history evolution, stress physiology, as well as behavioural and chemical ecology.

CURRENT POSITION - F.R.S.-FNRS Chercheuse Qualifiée at UCLouvain, Belgium (since 2019)

PREVIOUS RESEARCH APPOINTMENTS - F.R.S.-FNRS Collaboratrice Scientifique at UCLouvain, Belgium (2018-2019) • F.R.S.-FNRS Chargée de Recherches postdoctoral fellow at UCLouvain, Belgium (2016-2018) • Marie Curie postdoctoral fellow at Tours University, France (2013-2015) • Postdoctoral associate at the University of Florida, USA (2012) • PhD-student at VU University Amsterdam, the Netherlands (2007-2011).

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Insects and incest: sib-mating tolerance in natural populations of a parasitoid wasp
Marie Collet, Isabelle Amat, Sandrine Sauzet, Alexandra Auguste, Xavier Fauvergue, Laurence Mouton, Emmanuel Desouhant

Recommended by Caroline Nieberding and Bertanne Visser based on reviews by 2 anonymous reviewers
Incestuous insects in nature despite occasional fitness costs

Inbreeding, or mating between relatives, generally lowers fitness [1]. Mating between genetically similar individuals can result in higher levels of homozygosity and consequently a higher frequency with which recessive disease alleles may be expressed within a population. Reduced fitness as a consequence of inbreeding, or inbreeding depression, can vary between individuals, sexes, populations and species [2], but remains a pervasive challenge for many organisms with small local population sizes,...


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