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Bullseye! Understanding the mechanisms of petal patterning

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If you have a question about this talk, please contact Caroline Newnham .

Host: Ben Steventon

The patterns on the petals of flowering plants play a crucial role in pollinator attraction and are striking examples of evolutionary diversification by natural selection. These patterns are often highly elaborated but the processes that permits their set-up across flowering plants are not well understood.

Our group combines genetic and phylogenomic approaches with imaging and modelling to investigate the mechanisms that regulate pattern formation and diversification in petals, using Venice mallow, a small hibiscus species with a striking bullseye pattern, and its close relatives as model systems.

Our results should help us understand how cells integrate chemical and mechanical cues to make decisions, how plants set-up boundaries within their petal epidermis to create communication devices and how evolution tinkers with these processes to generate the diversity of patterns observed in nature.

This talk is part of the Genetics Seminar series.

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