Biological Sciences

Events and seminars

Monday Seminar Series - "Understanding the mechanism of chromosome segregation: lessons from diversity"

Dr Bungo Akiyoshi - Department of Biochemistry, University of Oxford

29th November 2021 at 12:00pm [Download iCalendar / .ics file]

Daniel Rutherford Building, G.27

MAX ATTENDANCE 50 - STRICT SIGN-UP IN PLACE AND WILL BE RELEASED ON THE MORNING OF THE SEMINAR TO AVOID PEOPLE SIGNING UP IN ADVANCE AND NOT ATTENDING. PLEASE ONLY SIGN-UP IF YOU CAN DEFINITELY ATTEND IN PERSON.

SEMIANR WILL ALSO BE LIVE STREAMED ON COLLABORATE - EMAIL LOUISE.BISHOP@ED.AC.UK FOR JOINING LINK.

Biologists can learn a lot of lessons from exceptions. Although it was widely assumed that the macromolecular protein complex that drives chromosome segregation (called the kinetochore) consists of proteins that are common to all eukaryotes, no canonical kinetochore components have been identified in a group of organisms called kinetoplastids, which are evolutionarily divergent from yeast or human. To reveal how kinetoplastids achieve chromosome segregation, we identified 25 kinetochore proteins in Trypanosoma brucei (a kinetoplastid parasite that causes African sleeping sickness) and discovered that they constitute kinetochores that are specifically found in kinetoplastids. We are currently characterizing these “exceptional” kinetochore proteins in vitro and in vivo to understand how they carry out conserved kinetochore functions, such as binding to DNA and microtubules as well as error correction. By understanding how kinetoplastids segregate their chromosomes, we aim to understand fundamental principles of chromosome segregation machinery.

Host Adele Marston, ICB/WBC

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