University of Innsbruck Nov 4 2025 Temperature is a key physiological factor that determines the speed of immune reactions. While this may seem obvious, it has remained largely unexplored at the single-cell level-until now. Stefan Wieser from the Institute of Zoology at the University of Innsbruck and his colleagues report in Developmental Cell that the motor protein Myosin II regulates the temperature sensitivity of immune cells and drives the acceleration of immune responses at elevated body