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TZID:Europe/Paris
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BEGIN:VEVENT
UID:0-652@lptms.universite-paris-saclay.fr
DTSTART:20190313T110000Z
DTEND:20190313T120000Z
DTSTAMP:20181214T201230Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/physics-biology-i
 nterface-seminar-karim-benzerara-2/
SUMMARY:Physics-Biology interface seminar: Karim Benzerara - Moyen Amphi\, 
 Building 510\, Université Paris-Saclay Orsay - 13 Mar 19 11:00
DESCRIPTION:Formation of intracellular amorphous carbonates by bacteria\nKa
 rim Benzerara (Sorbonne Universités\, Paris)\n\nLiving cells can sustain 
 out-of-equilibrium states in a given environment by consuming free energy.
  The formation of some intracellular mineral phases  provides some example
 s of this. Here I will review some of the work we have performed in the la
 st years to describe and understand how some cyanobacteria\, which are abu
 ndant photosynthesizing bacteria appeared several billions years ago at th
 e surface of the Earth\, manage to form intracellular amorphous carbonates
 . I will show the environmental conditions under which they catalyze this 
 process\, detail the methodologies (including cryo-TEM and spectroscopies)
  we used to characterize these phases and finally address the involved (bi
 o)molecular mechanisms. The question of the selective advantage(s) provide
 d by this process\, if any\, will be asked. The implications for basic and
  applied research will also be addressed. Overall\, this talk should convi
 nce you that a highly interdisciplinary work is crucially needed to global
 ly understand this intracellular biomineralization process.\n
CATEGORIES:physbio,seminars
LOCATION:Moyen Amphi\, Building 510\, Université Paris-Saclay Orsay\, 15 R
 ue Georges Clemenceau\, orsay\, France
GEO:48.698187;2.181768
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  orsay\, France;X-APPLE-RADIUS=100;X-TITLE=Moyen Amphi\, Building 510\, Un
 iversité Paris-Saclay Orsay:geo:48.698187,2.181768
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