Dynamics within and between cells: from cell patterning to tissue adaptive responses

Veronica Grieneisen
Cardiff University
A lot of animal and plant cell polarity can be understood by simple biochemical processes. Exploring their dynamics shows that simple “circuits” are able to generate a plethora of diverse cellular patterns. This core ability of a cell to polarize in isolation from others then leads to the collective emergence of tissue polarity, which will be dependent on the mode of cell-cell interaction. In plants, such tissue polarity will allow for information flow over large distances, be it to guide development or to interface the environment, such as in plant-nutrient uptake. We will show how for such organism-level coordination of signals, sub cellular components turn out to be extremely important. Also, we will discuss temporal-spatial dynamical constraints operating on such polarized tissues which are likely to have a evolutionary-developmental role in the systems we encounter in nature.