Answers are grounded in this paper and cite their sources.
Hsou-min Li, Kevin Culligan, Richard A. Dixon, Joanne Chory, CUE1: A Mesophyll Cell-Specific Positive Regulator of Light-Controlled Gene Expression in Arabidopsis, The Plant Cell, Vol. 7, No. 10 (Oct., 1995), pp. 1599-1610
No takes yet. Share an insight, caveat, or question.
Li et al. (1995) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: