Table 2.

Specific BR biosynthesis enzymes identified in different plant species.

Function	Species	Name	Reference
C22 hydroxylase	Arabidopsis thaliana	DWF4/CYP90B1	Choe et al., 1998; Fujita et al., 2006
		CYP724A1	Zhang et al., 2012
	Oryza sativa	CYP90B2/OsDWF4	Sakamoto et al., 2006
		CYP724B1/D11*	Sakamoto et al., 2006
	Lycopersicon esculentum	CYP90B3	Ohnishi et al., 2006c
		CYP724B2	Ohnishi et al., 2006c
	Zea mays	CYP90B2/ZmDWF4	Liu et al., 2007
	Solanum tuberosum	StDWF4	Zhou et al., 2018
	Populus tomentosa	PtoDWF4	Shen et al., 2018
C23 hydroxylase	Arabidopsis thaliana	CYP90C1/ROT3 CYP90D1	Ohnishi et al., 2006b
	Oryza sativa	CYP90D2/OsD2* CYP90D3	Sakamoto et al., 2012
	Lycopersicon esculentum	DPY	Koka et al., 2000
C2 hydroxylase	Pisum sativum	CYP92A6/DDWF1	Kang et al., 2001
C3 oxidase	Arabidopsis thaliana	CYP90A1/CPD	Szekeres et al., 1996; Ohnishi et al., 2012
	Oryza sativa	CYP90A3/4(OsCPD1/2)	Sakamoto and Matsuoka, 2006
		CYP90D2/OsD2*	Hong et al., 2003; Li et al., 2013
	Hordeum vulgare	HvCPD	Dockter et al., 2014
C3 reductase	Oryza sativa	CYP724B1/OsD11*	Tanabe et al., 2005
C5 reductase	Arabidopsis thaliana	DET2	Chory et al., 1991; Fujioka et al., 1997; Noguchi et al., 1999
	Glycine max	GmDET2a/b	Huo et al., 2018
	Gossypium hirsuturm	GhDET2	Luo et al., 2007
	Cucumis sativus	CsDET2	Hou et al., 2017
	Pisum sativum	LK	Nomura et al., 2004
	Pharbitis nil	PnDET2	Suzuki et al., 2003
C6 oxidase	Arabidopsis thaliana	CYP85A1/2 (BR6ox1/2)	Shimada et al., 2001
	Lycopersicon esculentum	CYP85A1(DWARF)/A3	Bishop et al., 1999; Shimada et al., 2001
	Pisum sativum	PsCYP85A1/6	Jager et al., 2007
	Oryza sativa	OsDWARF/BRD1	Hong et al., 2002; Mori et al., 2002
	Hordeum vulgare	HvBRD	Dockter et al., 2014
	Cucumis sativus	SCP1/CsCYP85A1	Wang et al., 2017
	Brachypodium distachyon	BdBRD1	Xu et al., 2015
	Zea mays	ZmBRD1	Makarevitch et al., 2012
	Populus trichocarpa	PtCYP85A3	Jin et al., 2017

Enzymes marked by an asterisk are those with controversial functions.