Simulation of continuous-time P systems using descriptive rewriting timed Petri nets

In this paper we propose a new approach to express the components of continuous-time P systems throughout the components of descriptive rewriting timed Petri nets. We introduce the notion of macronode, which maps a subnet, to modify dynamically the rewriting timed Petri nets structure. A macronode is specified by a marking-controlled descriptive expression. As example the P transducer model of the gene switching in the living cell is analyzed.