1. Nagel G et al (2002) Channelrhodopsin-1: a light-gated proton channel in green algae,” Science, p. 2395–2398.
2. Jiang J et al (2017) Optogenetics and pharmacogenetics: principles and applications. Am J Physiol Regul Integr Comp Physiol., vol. 6, no. 313, pp. 633–645.
3. Volkov O et al (2017) Structural insights into ion conduction by channelrhodopsin 2 Science, vol. 24, no. 358, p. 6336.
4. Cho Y et al (2019) Multidimensional screening yields channelrhodopsin variants having improved photocurrent and order-of-magniture reductions in calcium and proton currents, Journal of Biological Chemistry, vol. 294, pp. 3806–3821.
5. Duan X et al (2019) Mutated Channelrhodopsins with Increased Sodium and Calcium Permeability,” Appl. Sci., vol. 9, no. 664.