Holtkotte, X., Dieterle, S., Kokkelink, L., Artz, O., Leson, L., Fittinghoff, K., et al. (2016). Mutations in the N-terminal kinase-like domain of the repressor of photomorphogenesis SPA1 severely impair SPA1 function but not light responsiveness in Arabidopsis. The Plant Journal, 88(2), 205-218. doi:10.1111/tpj.13241.