[coccoliths] PDRA position on coccolith biomineralisation / Southern France

[Michaël Hermoso]

Hi all,

See below for more info!

Cheers,

Michael
*Pr. Michaël Hermoso *
Laboratoire d’Océanologie et de Géosciences (UMR 8187 LOG)
Université du Littoral Côte d’Opale / Université de Lille / CNRS
32 avenue Foch
62930 Wimereux, France
Tél : 03.21.99.41.53
*www.log.cnrs.fr <http://www.log.cnrs.fr/>*

*A two-year post-doctoral researcher position* is available in the
Molecular and Environmental Microbiology team (MEM, with*Dr. Daniel
Chevrier*) at *Biosciences and biotechnology Institute of Aix-Marseille* (
*BIAM*, Saint Paul lez Durance, France). The BIAM is affiliated with CEA,
CNRS and Aix-Marseille University and is a highly interdisciplinary and
international research environment.

The hired researcher will be expected to contribute to a project on the *in
situ* investigation of coccolithophore microalgae biomineralization
(production of coccoliths, biosynthesized calcite-based biomineral) using
microfluidic devices (ANR JCJC project : microCOCCO). Research tasks
include design and fabrication of microfluidic devices for microalgae
cultivation and *in situ* biomineralization studies. In addition to optical
based microscopy performed in-house (laser confocal microscopy) to follow
coccolith formation, microfluidic devices for microalgae will be adapted to
synchrotron-based X-ray spectromicroscopy techniques (hard and soft X-ray
microscopy beamlines located at Diamond Light Source, UK and ESRF, France).
The main objective is to develop a methodology that enables native-state
imaging of coccolithophore microalgae to capture physical and chemical
information during the biomineralization process. With these tools and
techniques, the project will examine the effects of varied nutrient
conditions and media conditions in the context of environmental changes due
to ocean acidification and other important factors that impact coccolith
formation.

*Expertise in one of the following is an asset* : *i)* coccolithophore
microalgae cultivation, *ii)* microfluidic device design and fabrication or
*iii)* X-ray-based microscopy and spectroscopy. The candidate should hold a
doctoral degree *preferentially from the physical sciences*, be highly
motivated to conduct research in the interdisciplinary field of
biomineralization, and able to work independently but also cooperatively in
a laboratory setting.

Starting date: January 3, 2022

If you interested in this position or you would like more information,
please contact: daniel.chevrier at cea.fr ; Office phone: +33 4 42 25 35 70

MEM website: https://www.cite-des-energies.fr/biam/recherche/mem/

Relevant literature: Beaufort et al. Nature 2011, 476, 80-83 ; Sviben et
al. Nat. Comm. 2016, 7, 11228 ; Deng et al. PNAS 2015, 112, 2314-2319
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