Table 2. Chloroplast RNA editing factors required for editing at Arabidopsis site psbF-26.

Editing efficiency at psbF-26 is indicated as reported in the corresponding knock-out mutants (% T/C), and the reference is given. Values in bold represent severe reductions in editing efficiency compared with the wild type. The presence of an ortholog in the tobacco nuclear genome is indicated by +.

Cofactor	psbF-26	Reference	Tobacco
MORF2/RIP2	0	Takenaka et al., 2012	+
MORF8/RIP1	86 ± 1	Bentolila et al., 2012	+
MORF9/RIP9	70	Takenaka et al., 2012	+
ORRM1	98	Sun et al., 2013	+
ORRM6	0	Hackett et al., 2017	+
OZ1	88 ± 1	Sun et al., 2015	+
CP31A	100	Tillich et al., 2009	+