Karim Benzerara (Directeur de recherche CNRS)

Expertise

Scientific expertise

Geobiology

Biomineralization

Calcification

Cyanobacteria

Analytical skills

STXM, Electron microscopy (SEM and TEM), microbiology

Contact Informations

Website : http://www-ext.impmc.upmc.fr/~benzerar/index.html

Function and attachment

Senior research scientist at CNRS

E-Mail

karim.benzerara(at)upmc.fr

Career

Professional Resume

- Since 2012: CNRS Director of Research at IMPMC

- 2004-2012: CNRS Researcher in mineralogy/geobiology

- 2003-2005: Postdoctoral Research Associate, Stanford University (CA, USA)

Educational Background

- Habilitation à diriger des recherches (HDR) - 07/09/2010

- Ph.D. in Fundamental and Applied Geochemistry, University Paris Diderot & IPGP - 20/12/2002

Publications

Selected Publications

- J. Cosmidis, K. Benzerara, T. Tyliszczak, T. 2015. Characterization of Ca-phosphate biomaterials by scanning transmission x-ray microscopy (STXM) at the Ca L2,3-, P L2,3- and C K- edges Acta Biomaterialia, 12, 260-269, 2015.

- E. Couradeau, K. Benzerara, E. Gérard, D. Moreira, S. Bernard, G.E. Brown Jr., P. López-García. An early-branching microbialite cyanobacterium forms intracellular carbonates. Science, 336, 459-462, 2012.
- M.E. Galvez, O. Beyssac, K. Benzerara, S. Bernard, N. Menguy, S.C. Cox, I. Martinez, M.R., Johnston, G.E. Brown Jr. Morphological preservation of carbonaceous plant fossils in blueschist metamorphic rocks from New Zealand. Geobiology, 10,118-129, 2012.

- K. Benzerara, J. Miot, G. Morin, F. Skouri-Panet, C. Férard. Significance, mechanisms and environmental implications of microbial biomineralization, C.R. Geoscience 343, 160-167, 2011.

- K. Benzerara, N. Menguy, M. Obst, J. Stolarski, M. Mazur, T. Tylisczak, G. E. Brown Jr., A. Meibom. Study of the crystallographic architecture of corals at the nanoscale by scanning transmission x-ray microscopy and transmission electron microscopy. Ultramicroscopy 111,1268-75, 2011.

- J. Miot, K. MacLellan, N. Boisset, K. Benzerara, Preservation of protein globules and peptidoglycan in the mineralized cell wall of nitrate-reducing iron(II) oxidizing bacteria: a cryo-electron microscopy study. Geobiology, 9, 459-470, 2011.

- K. Lepot, K. Benzerara, G.E. Brown Jr., P. Philippot. Microbially influenced formation of 2,724-million-year-old stromatolites. Nature Geoscience, 1, 118-121, 2008.

- K. Benzerara, N. Menguy, P. López-García, T.H. Yoon, J. Kazmierczak, T. Tyliszczak, F. Guyot, G.E. Brown Jr. Nanoscale detection of organic signatures in carbonate microbialites. Proc. Natl. Acad. Sci. USA 103, 9440-9445, 2006.