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Portail > Offres > Offre FR550-BRUMIR-006 - Post-doctorat "Etude de la compétition biotique dans le phytoplancton via le prisme des membranes thylakoïdiennes" (H/F)

Post-doc Study of biotic competition in phytoplankton via the prism of thylakoid membranes (M / F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : vendredi 29 octobre 2021

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General information

Reference : FR550-BRUMIR-006
Workplace : PARIS 05
Date of publication : Friday, September 17, 2021
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 January 2022
Proportion of work : Full time
Remuneration : Gross salary will vary with candidate's experience starting at 3106€/month before taxes (around 2500€ after taxes) for candidate with less than 2 years post-doctoral experience. See the official CNRS salary table for researcher at http://labexdynamo.ibpc.fr/fp-dynamo-paris/
Desired level of education : PhD
Experience required : Indifferent


Attention: You must not have resided or carried out your main activity (e.g. work or studies) in France for more than 12 months in the 3 years prior to the recruitment date.
You have research experience in the field relevant to the call.

The post-doctoral fellow will be involved in a project aimed at studying the biotic competition between phytoplankton species. He/she will build a new methodology recently developed in the laboratory to measure photosynthesis of several species in a mixture and will use it to study allelopathic interactions targeting photosynthesis, as well as competition for nutrients. A recent screening within the microalgae collection of the Roscoff Biological Station revealed frequent events of inhibition of photosynthesis of one microalgae by another, some of them mediated by nutrient deficiency. An example is the inhibition of the photosynthetic activity of diatoms (Thalassiosira pseudonana, Phaeodactylum tricornutum, Skeletonema costatum) by a dinoflagellate via the decoupling of thylakoid membranes, preventing the synthesis of ATP. In this context, the postdoctoral project aims to i) further dissect the mechanism of allelopathy and the role of nutritional status in the biotic competition between dinoflagellates and diatoms, ii) extend the screening to identify new allelopathic interactions in phytoplankton, and iii) prepare in the longer term the possibility of studying biotic competition in the field.
PI: Benjamin Bailleul, UMR7141; bailleul@ibpc.fr

Publications related to the project :
Bailleul, B., Cardol, P., Breyton, C., & Finazzi, G. (2010). Electrochromism: a useful probe to study algal photosynthesis. Photosynthesis research, 106(1), 179-189.


The project will combine methodological development and mechanistic studies of phytoplankton photosynthesis, based on genetic, biochemical and biophysical approaches. The candidate will:
- contribute to the design of the project,
- develop methodologies,
- carry out the experiments,
- analyze and communicate the data,
- manage collaborations,
- write the publications.


Candidates must hold a doctorate in biology on the date of recruitment and demonstrate solid experience in biophysical techniques applied to photosynthesis of microalgae and a keen interest in phytoplankton ecology. His (her) CV and list of publications must be of a level compatible with the requirements of national and international postdoctoral programs. Prior expertise in genetics, biochemistry and / or molecular biology will be highly appreciated - transcriptomic / protemic analyzes are planned.

Know how:
- Design and implement experimental protocols
- Ability to analyze and restore information (keeping a laboratory notebook, preparing summary tables of results, preparing oral presentations).
- Prepare articles for publication in international peer-reviewed journals
- Innovation, rigor and reliability in the execution of the work.
- Sense of organization.
- Ability to work in a team

Work Context

The Institute of Physico-Chemical Biology (IBPC), created in 1930 by the Edmond de Rothschild Foundation, is dedicated to multidisciplinary research in all fields of biology. The structural, genetic and physicochemical bases of living organisms are explored at different levels of integration, from the molecule to the whole organism. The post-doctoral fellow will integrate the laboratory of "Chloroplast Biology and Light-Sensing in microalgae" (UMR7141) directed by Dr Angela Falciatore. It has around twenty permanent members (researchers, teacher-researchers, engineers, technicians and administrative staff) and around fifteen temporary collaborators, doctoral and post-doctoral students. This laboratory, dedicated to the study of light-induced processes (photosynthesis and photoperception) and chloroplast biology, addresses key questions on the biology, evolution and ecology of microalgae by focusing on different model organisms. (like the green alga Chlamydomonas reinhardtii or the diatom Phaeodactylum tricornutum) and on phytoplankton species of ecological importance, studied by ecophysiological, biophysical, biochemical, genomic and genetic approaches.
The project will be carried out under the direction of Benjamin Bailleul.

It's part of the COFUND FP-DYNAMO-PARIS program, an initiative for fundamental research, which offers an interdisciplinary environment in the center of Paris in order to train the scientists of tomorrow in the field of physico-chemical biology. The aim of this research program is to integrate knowledge on gene expression, membrane and structural biology, and bioenergetics in bacteria, chloroplasts and mitochondria in the general context of improving our understanding of the biogenesis of energy transducing membranes. Postdoctoral researchers will be involved via this project in one of the 3 main research themes of COFUND FP-DYNAMO-PARIS: the dynamics of membrane systems. They will benefit from the supervision of internationally recognized experts in their fields, a global network of renowned institutions, research infrastructures and cutting-edge technical know-how that will allow them to perfect their scientific skills, to make themselves known and increase their competitiveness in the labor market. Specific training will be offered to post-doctoral fellows through participation in the EMBO course on "Laboratory leadership for post-doctoral fellows" during a retreat in Padua, and through their participation in complementary training events dedicated to soft skills.

Constraints and risks

The contract must start between 1 January 2022 and 31 May.

Additional Information

The application should be written in English and uploaded at https://emploi.cnrs.fr/. It should include a detailed CV, a minimum of two letters of reference, a letter of motivation describing your short and long term career objectives, and a signed declaration stating that you are in compliance with the mobility rule which stipulates that you have not resided or carried out your main activity (work or studies) in France for more than 12 months during the three years preceding the date of recruitment. In addition, the complete file must also be sent to Bruno MIROUX & Magdalena TORTYNA, respectively director and manager of the project at the following email address DYNAMOcofund@ibpc.fr (Tel: 33 1 58 41 50 64). See details on the website http://labexdynamo.ibpc.fr/fp-dynamo-paris/
The position is intended as an initial step in a research career, and the assessment of the applicants will primarily be based on their research qualifications and their potential as researchers with skills that complement and strengthen on-going research within the partner institutions.

Step 1. The applications of each eligible candidate will be evaluated by independent international experts within the relevant research theme. Eligible applicants will be evaluated based on merits, motivation for the program, academic excellence and personal qualifications such as collaborative and communication skills.

Step 2. A maximum of three candidates will be retained for a video interview with the independent experts for each open position (Nov 2021). After the interview, candidates on the short list will be invited to a conference call with the project supervisor and a DYNAMO board member to define the general scope of the project, the training and the research environment. Candidates will be asked to draft a 3-page project proposal, bringing their own original ideas and will be given 2 weeks to submit it.

Step 3. Each project proposal will be evaluated by one of the independent experts and the DYNAMO board member who evaluated the candidate in the previous steps. The final selection will be made based on the scores obtained at steps 1, 2 and 3. The minimum score must be above 20/40. Top candidate will be offered the postdoc position with a starting date from January 1- May 31, 2022.

The CNRS (Centre National de la Recherche Scientifique) is an equal opportunity employer. Furthermore, FP-DYNAMO-PARIS is committed to promoting the role of women in science and thus explicitly encourages women to apply.

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