Full-length transcriptomic identification of R2R3-MYB family genes related to secondary cell wall development in Cunninghamia lanceolata (Chinese fir)

Table 1 Summary of R2R3-MYB transcription factors related to development of secondary cell wall

Function	R2R3-MYB related to SCW development	Group name	Homologous *ClMYBs*	Biological process	Reference
Activator	AtMYB52, AtMYB54, AtMYB69	S21	ClMYB2	Lignin, xylan and cellulose biosynthesis	[36, 39]
	AtMYB20, AtMYB42, AtMYB43, AtMYB85 PtrMYB152 PtMYB1	SAtM85	ClMYB1 ClMYB51	Lignin biosynthesis. Binds to AtMYB4 to repress flavonoid biosynthesis	[19, 41, 48]
	AtMYB103 PtrMYB010, PtrMYB128	SAtM103	ClMYB26	Lignin biosynthesis	[5, 50]
	AtMYB46, AtMYB83 PtrMYB002, PtrMYB003, PtrMYB020, PtrMYB021 EgrMYB2 PtMYB4	SAtM46	ClMYB49	Lignin, xylan and cellulose biosynthesis	[14, 18, 37, 38, 51, 52]
	AtMYB26	SAtM26		Secondary wall thickening in anther endothecium	[42, 43]
	AtMYB58, AtMYB63	S2&S3		Lignin biosynthesis	[40]
	AtMYB61 PtMYB8	S13a	ClMYB27	Regulates stomatal aperture closure, seed coat mucilage biosynthesis, xylem and root development	[44, 45, 53]
Repressor	AtMYB4, AtMYB32 EgrMYB1	S4	ClMYB3, ClMYB4, ClMYB5	Biosynthesis of phenylpropanoid derived compound	[46, 47, 49]
Repressor	AtMYB75	S6		Anthocyanin biosynthesis	[54]

ISSN: 1471-2229