Tapia, N., Reinhardt, P., Duemmler, A., Wu, G., Araúzo-Bravo, M. J., Esch, D., Greber, B., Cojocaru, V., Rascon, C. A., Tazaki, A., Kump, K., Voss, R., Tanaka, E. M., & Schöler, H. R. (2012). Reprogramming to pluripotency is an ancient trait of vertebrate Oct4 and Pou2 proteins. Nature Communications, 3:.