A two years post doctoral position will open in our lab next fall on the 
phenotypic and genetic evolution of *Drosophila suzukii* throughout its 
recent worldwide invasion. The project will include the phenotyping of 
various traits (and likely based on GM), in connection with genetic 
(molecular and quantitative) and genomic data. Possible lines of research 
include the role of phenotypic plasticity in the success of the invasion or 
the evolution of quantitative genetic architecture (G matrices), but the 
project is open to further elaboration. 

Inquiries and applications must be sent to Vincent Debat (de...@mnhn.fr) 

Starting date is flexible but should be prior to December 2017. Review of 
applications starts immediately and will continue until position is filled.

The Project

Although positioned within the framework of the ANR funded grant (see 
below), the selected candidate will have the opportunity to ellaborate 
his/her own research project.

The project is included in a larger collaborative work on *D. suzukii* 
invasion, involving three labs: Paris MNHN (part led by Vincent Debat), 
LBBE (Lyon, part led by Patricia Gibert) and CBGP (Montpellier, part led by 
Arnaud Estoup).

The Lab

The recruited postdoc will be based in Paris Museum of Natural History 
(MNHN) and will work in close collaboration with Vincent Debat (
http://www.evomorpho.com/) in the team Evolution et Developpement des 
variation phénotypiques (
The lab research focus on the evolution of phenotypes and their variation, 
using various (insect) models – including butterflies and flies, and a 
combination of morphometric and molecular approaches.

The Salary

Net salary will me circa 2300 euros/month.

Abstract of the ANR funded project

The number of worldwide problems related to invasive species, which are 
largely due to human activities (development of international trade and 
intercontinental transportation), has strongly increased in the last 
decades. Invasive species are generally considered as having a negative 
effect both on economy (crop damage and health problems) and environment 
(loss of biodiversity). Managing and controlling invasive species requires 
an understanding of the ecological and evolutionary processes that underlie 
invasions. On a more academic side, biological invasions represent “natural 
experiments” for evolutionary biologists and are thus ideal to study the 
genetic bases of adaptation. In this project, we will investigate the 
evolutionary processes at play during a biological invasion with a 
particular focus on the mechanisms of adaptation. We will also infer the 
evolutionary potential in this species, so as to make short-term and 
longer-term predictions with respect to adaptation. This project will be 
carried on an Asian drosophila species (Drosophila suzukii, aka the Spotted 
Wing Drosophila ) that has recently invaded both Europe and North America. 
Unlike most Drosophilids D. suzukii uses a sclerotized ovipositor to lay 
eggs in unripe fruits causing dramatic losses to the fruit industry, with a 
yearly cost estimate exceeding one billion euros worldwide. The rapid 
dissemination of D. suzukii in North America and Europe demonstrates its 
remarkable ability to adapt or acclimate to new environments. We propose 
to: (1) quantify phenotypic variation among and within populations, using 
quantitative genetics and reaction norms; (2) investigate the associated 
molecular variation using genomics and transcriptomics approaches; (3) 
combine phenotypic and molecular approaches to better investigate the 
traits associated with the invasion success, study the relative importance 
of natural selection and genetic drift on phenotypic differentiation 
between native and invasive populations, and to analyze the role of 
transposable elements in adaptation; (4) investigate how phenotypic 
plasticity, micro-evolution and symbionts contribute to the capacity of D. 
suzukii to feed on many different crop species and therefore switch hosts 
within a year. The strength of this project lies in several points: i) the 
complementarity of the approaches (molecular and phenotypic), ii) the 
skills of the partners on both the methods/technics (including the 
development of new inferential methods of general interest for the 
statistical analysis of populational pangenomics data) as well as the 
concepts that will be used, iii) the good knowledge of the biological model 
that has been the subject of several publications of the partners, iv) our 
collection of population samples from all around the world that has allowed 
to obtain valuable and original results on the routes of invasion of this 
species, v) an existing collaborative network with various socio-economic 
partners that will allow a rapid and efficient transfer of knowledge.

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