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SUMMARY:Molecular Signals in and from Parasitic Plants - Dr Thomas Spallek
  Plant Biotic Interactions Group\, Albrecht-von-Haller Institute\, Univers
 ity of Göttingen\, Germany
DTSTART:20241127T140000Z
DTEND:20241127T150000Z
UID:TALK224779@talks.cam.ac.uk
CONTACT:126517
DESCRIPTION:Phtheirospermum japonicum\, a facultative hemiparasitic plant 
 of the Orobanchaceae family\, parasitizes a broad range of host plants thr
 ough the haustoria it produces along its roots. These haustoria form xylem
 -to-xylem connections to the vasculature of the host root\, enabling the p
 arasite to parasitize its host for nutrients and water. Before and during 
 parasitism\, P. japonicum shoots are photosynthetic active\, providing car
 bohydrates required for growth. We asked if and how the shoots influence p
 arasitism-related processes in the root. Our experiments show that haustor
 ium formation is indeed tied into processes in the shoot. In parts\, this 
 is regulated by small peptides from the CLAVATA3/ENDOSPERM SURROUNDING REG
 ION (CLE) family. In my talk\, I will provide insights into how CLE peptid
 es produced in haustoria regulate the formation of additional haustoria an
 d how this system may have evolved in obligate parasitic plants.\n\nGreife
 nhagen A.\, Ruwe H. et al. (2024). PNAS https://doi.org/10.1073/pnas.24145
 82121\n\n
LOCATION:Auditorium of Sainsbury Laboratory Cambridge University - 47 Bate
 man Street and Online (Zoom meeting). Contact events@slcu.cam.ac.uk for me
 eting joining details. 
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