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SUMMARY:Phenotyping gliding motility in glass cells - Karen Grace Bondoc-N
 aumovitz (University of Exeter)
DTSTART:20230717T150000Z
DTEND:20230717T150500Z
UID:TALK201643@talks.cam.ac.uk
DESCRIPTION:Diatoms are unicellular microscopic algal cells that are enclo
 sed in hydrated silica or glass. Unlike other motile organisms\, diatoms l
 ack cilia\, flagella\, or the flexibility to change shape due to their rig
 id silicified cell walls\, and hence represent a novel system for understa
 nding cellular movement and adaptability on surfaces. Moreover\, diatoms p
 lay a significant role in aquatic habitats as they contribute to a quarter
  of the global primary production. In intertidal sediments\, benthic (i.e.
 \, sediment-dwelling) diatoms form dense biofilms\, thereby driving playin
 g an essential role in this ecosystem. Herein\, we characterize the behavi
 oural phenotypes of representative diatom species in terms of their motili
 ty patterns through single-cell imaging and tracking. We show that each sp
 ecies have a distinct gliding pattern and this is dictated by their ecolog
 ical niche.&nbsp\; As benthic diatoms contribute up to half of the primary
  productivity in submerged habitats\, our results provide new insights int
 o how diatom behaviour and social interactions affect larger-scale ecologi
 cal processes\, such as elemental cycling and nutrient fluxes.\nCo-author:
  Kirsty Y. Wan
LOCATION:Seminar Room 1\, Newton Institute
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