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Regulatory role of ribosomes in plant development

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Plant shoots are characterized by reiterative production of organs from an indeterminate shoot apical meristem. Early in development lateral organs, such as leaves, establish dorsoventral polarity. Outgrowth of the leaf lamina depends on signaling from the meristem to the initiating leaf, as well as concerted interactions between adaxial(dorsal) and abaxial (ventral) domains of the leaf. Control of meristem function and leaf patterning is via a network of interactions between several families of transcription factors, a number of which are regulated by small RNAs. This network is therefore defined by transcription and post-transcriptional mechanisms. We have identified new players in the network as ribosomal proteins, which suggest a role for translation in leaf patterning and indicate ribosomes are regulators of key patterning events in plant development.

http://www.jic.ac.uk/staff/mary-byrne/

This talk is part of the Plant Sciences Departmental Seminars series.

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