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SUMMARY:RR-Myb related transcription factors\, novel regulators of chlorop
 last biogenesis - Dr Eftychios Frangedakis\, Molecular Physiology Group\, 
 Department of Plant Sciences
DTSTART:20231102T121500Z
DTEND:20231102T134500Z
UID:TALK206308@talks.cam.ac.uk
CONTACT:116479
DESCRIPTION:Photosynthesis sustains the majority of life on Earth and in p
 lants it is performed in organelles known as chloroplasts. Chloroplast bio
 genesis is controlled by nucleus-encoded transcription factors. Despite de
 cades of research aimed at understanding the underlying genetic network\, 
 our knowledge about chloroplast biogenesis remains very limited. With the 
 exception of Golden2-like (GLK) and the GATA families of transcription fac
 tors no other regulators are known. Although GLK is considered a master re
 gulator of chloroplast biogenesis and photosynthesis\, the presence of chl
 orophyll in _glk_ mutants indicates that an additional pathway is likely t
 o control chloroplast biogenesis.\n\nWe used the bryophyte _Marchantia pol
 ymorpha_\, which \, has a streamlined genome\, as a platform to identify n
 ovel regulators of chloroplast biogenesis. We successfully identified RR-M
 YBs as a new class of transcription factors for the control of chloroplast
  biogenesis and photosynthesis. Importantly\, we discovered that this role
  is conserved in the angiosperm _Arabidopsis thaliana_\, implying that its
  function might be ancestral.
LOCATION:Large Lecture Theatre\, Department of Plant Sciences
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