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DTSTART:20260329T030000
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DTSTAMP:20260414T232706Z
UID:68776eaf380dd057014767@ist.ac.at
DTSTART:20260430T110000
DTEND:20260430T120000
DESCRIPTION:Speaker: Justin C. Burton\nhosted by Scott Waitukaitis\nAbstrac
 t: Airborne microbes critically impact our lives\, from the spread of dise
 ases to rainfall and food production. Yet the survival of microbes during 
 aerosolization and atmospheric transport is not well understood. Although 
 bacteria have been found in the atmosphere\, even larger organisms such as
  nematodes and spiders can drift in the air for many kilometers. In this t
 alk\, I will discuss two research projects where we investigate how the at
 mosphere plays a crucial role in micro- and meso-scale ecology. I will sho
 w how salt and humidity help bacteria survive during desiccation. In dried
  droplets on flat surfaces\, the spatial structure generated by the dried 
 film can trap water to facilitate survival. 3D Bacterial suspensions dried
  under acoustic levitation survive even better. In a separate project\, I 
 will discuss how jumping\, parasitic nematodes rely on electrostatic force
 s to infect their insect hosts. A model combining electrostatics\, aerodyn
 amics\, and Bayesian inference indicates that the electrostatic charge on 
 jumping nematodes is ~ 0.1 pC\, which aligns with theoretical predictions 
 for electrostatic induction. In fact\, we show that infection through jump
 ing may necessitate electrostatic forces as a successful evolutionary stra
 tegy.
LOCATION:Office Bldg West / Ground floor / Heinzel Seminar Room (I21.EG.101
 )\, ISTA
ORGANIZER:cpetz@ist.ac.at
SUMMARY:Justin C. Burton: Biology in the air: from hitchhiking microbes to 
 jumping electrified nematodes
URL:https://talks-calendar.ista.ac.at/events/6407
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