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UID:85@csb.utoronto.ca
DTSTART;TZID=America/Toronto:20260715T110000
DTEND;TZID=America/Toronto:20260715T120000
DTSTAMP:20260709T133116Z
URL:https://csb.utoronto.ca/events/devang-mehta-phd-department-of-biosyste
 ms-ku-leuven-csb-special-seminar/
SUMMARY:Devang Mehta\, PhD - Department of Biosystems\, KU Leuven -- CSB Sp
 ecial Seminar
DESCRIPTION:CSB Special Seminar\nThursday\, July 15th @ 11:00 am\nSPEAKER: 
 Devang Mehta\, PhD - Department of Biosystems\, KU Leuven\nTITLE: Towards 
 a new logic for photoperiodism in plants\nABSTRACT:\nPlants measure daylen
 gth (photoperiod) with remarkable precision\, enabling them to coordinate 
 vegetative growth and critical developmental transitions such as flowering
  with seasonal changes. While decades of work have revealed the photoperio
 dic flowering pathway in the model plant Arabidopsis in intricate detail\,
  the precise molecular logic underpinning the first key step—daylength s
 ensing itself—remains unresolved. Building on our recent discovery that 
 plants can measure twilight duration through their circadian clock genes\,
  we are developing an alternative to the prevailing "external coincidence 
 model" of photoperiodism. This new framework challenges experimental parad
 igms that have long relied on artificially abrupt day-night transitions. F
 urthermore\, although the plant circadian clock comprises a network of tra
 nscription factors that regulate nearly 30% of gene expression at the tran
 script level\, we recently performed the most extensive proteomic characte
 risation of plant gene expression to date\, revealing that circadian clock
  genes influence protein abundance to a much greater extent than transcrip
 t levels—an unexpected finding for a network of transcriptional regulato
 rs. In this talk\, I will describe our latest work\, which builds on these
  discoveries and new proteomics tools being developed in our lab\, to esta
 blish a new protein-centric model of plant photoperiodism.\nHOST: Heather 
 McFarlane\nLOCATION: Cell and Systems Biology\, 25 Willcocks Street\, ES3
 087\nLIVESTREAM LINK: N/A
CATEGORIES:seminar
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