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UID:20250626T233619EDT-5080bELsEZ@132.216.98.100
DTSTAMP:20250627T033619Z
DESCRIPTION:Dr.  Richard LaBrie\n\n\n	Post-doctoral researcher working with 
 Nagissa Mahmoudi\n\n\n	Department of Earth and Planetary Sciences\, 51³Ô¹ÏÍø
 University\n\n12:00 - 13:00\n\nFDA 232 (in-person) \n\n\n	Pizza will be ser
 ved\n\n \n\nMarine bacteria as long-term sink of carbon and nitrogen\n\n 
 \n\nAbstract:\n\nWe live in a microbial world\; global biogeochemical cycl
 es are driven by microbial activity. In the oceans\, the role of bacteria 
 in the food chain has been recognized 50 years ago. By consuming dissolved
  organic matter produced by the primary producers (e.g.\, algae)\, they re
 introduce part of the consumed carbon and nutrients into the food chain. H
 owever\, this consumption is not perfect and they release a lot of CO2 whe
 n they respire\, but also partially degraded molecules that can persist in
  the environment\, a process referred to as the microbial carbon pump. As 
 the marine dissolved organic matter pool is one of the most complex substa
 nces\, understanding how some molecules persist is challenging. To do so\,
  I use complementary approaches at the intersection between geochemistry a
 nd microbial ecology. In this presentation\, I will talk about the role of
  marine heterotrophic bacteria in the cycling of dissolved organic carbon 
 and nitrogen\, and present two studies specifically on the role of bacteri
 a as long-term sink of carbon and nitrogen.\n
DTSTART:20231208T170000Z
DTEND:20231208T180000Z
SUMMARY:EPS Seminar Series: Dr. Richard LaBrie 
URL:/eps/channels/event/eps-seminar-series-dr-richard-
 labrie-353241
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