Hugh Mulvey

Current projects:

From cell polarity to tissue morphogenesis

Cell polarity is a key determinant of cell growth and division patterns and hence an important regulator of cell shape. However, how cell polarity coordinates morphogenesis at the tissue level is not fully understood. Using the liverwort Marchantia polymorpha, I investigate how cell polarity signalling contributes to the formation of complex plant tissues.

Evolution of cell polarity signalling in plants

All extant multicellular plants evolved from a unicellular algal ancestor. This transition in body plan complexity was likely mediated through the advent of novel cellular mechanisms. I am investigating how cell polarity signalling evolved in plants to assess the impact this may have had on plant body plan evolution.

Publications:

Mulvey H & Dolan L (2023) RHO of plant signaling was established early in streptophyte evolution. Current Biology, https://www.doi.org/10.1016/j.cub.2023.11.007
Mulvey H & Dolan L (2023) RHO GTPase of plants regulates polarized cell growth and cell division orientation during morphogenesis. Current Biology, https://www.doi.org/10.1016/j.cub.2023.06.015
Dickinson PJ, Kneřová J, Szecówka M, Stevenson SR, Burgess SJ, Mulvey H, Bågman AM, Gaudinier A, Brady SM, Hibberd JM (2020) A bipartite transcription factor module controlling expression in the bundle sheath of Arabidopsis thaliana. Nature Plants, https://www.doi.org/10.1038/s41477-020-00805-w
Laohavisit A, Wakatake T, Ishihama N, Mulvey H, Takizawa K, Suzuki T, Shirasu K (2020) Quinone perception in plants via leucine-rich-repeat receptor-like kinases. Nature, https://www.doi.org/10.1038/s41586-020-2655-4

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Hugh Mulvey

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Vienna BioCenter