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"Genetic and hormonal control of vascular cell proliferation in plants"

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Thursday 23 February 2017, 11:00 - 12:30


The plant vascular system develops from a handful of provascular initial cells in the early embryo into a whole range of different cell types in the mature plant. In order to account for such proliferation and to generate this kind of diversity, vascular tissue development relies on a large number of highly oriented cell divisions. Control of these divisions occurs in part through the TARGET OF MONOPTEROS 5/ LONESONE HIGHWAY (TMO5/LHW) dimers of bHLH transcription factors and their homologs. The cytokinin (CK) biosynthetic gene LONELY GUY4 (LOG4) and its close homolog LOG3 were identified as direct targets of the TMO5/LHW dimer complex, indicating that CK biosynthesis plays a crucial role in this developmental process. Here we will highlight our current progress in understanding how CK signalling controls oriented cell divisions during vascular development.

Location Jozef Schell Seminar Room
Contact Dr Bert De Rybel
VIB-UGent Center for Plant Systems Biology
Ghent University