image/svg+xml
PAL
C4H
4CL
CCR
HCT
C3H
CSE
CCoAOMT
CAD
CCR
CCR
CAD
CAD
CAD
CAD
COMT
F5H
COMT
4CL
PMT
COMT
F5H
COMT
COMT
F5H
COMT
COMT
UGT
beta-Glu
O
O
O
H
O
M
e
O
S
-
C
o
A
O
H
O
M
e
O
O
O
H
O
H
O
M
e
O
S
-
C
o
A
O
H
O
H
O
M
e
O
O
O
H
O
M
e
M
e
O
O
S
-
C
o
A
O
H
O
M
e
M
e
O
O
O
O
H
O
H
O
S
-
C
o
A
O
H
O
H
O
S
-
C
o
A
O
H
O
H
O
H
O
M
e
O
H
O
H
O
O
M
e
O
H
O
H
O
M
e
M
e
O
O
H
O
H
O
H
O
H
O
H
O
M
e
O
H
O
H
O
H
O
M
e
O
H
O
H
O
M
e
M
e
O
O
H
O
H
O
H
O
H
O
H
O
H
O
H
coumaroyl-CoA
caffeate
ferulat e
5-Hydroxyferulate
sinapate
caffeoyl-CoA
feruloyl-CoA
5-hydroxyferuloyl-CoA
sinapoyl-CoA
caffeyl aldehyde
coniferaldehyde
5-hydroxy-
coniferaldehyde
sinapaldehyde
Caffeyl alcohol
coniferyl alcohol
5-hydroxyconiferyl alcohol
Sinapyl Alcohol
coumaryl aldehyde
coumaryl alcohol
coumarylshikimate/quinate
caffeoyl-shikimate/quinate
O
O
H
R"
R
O
coumaryl coumarate R=R"=H
OH
O
H
O
Glc
monolignol
R
R"
intermediate
coniferyl coumarate R=H, R"=OCH
sipanyl coumarate R=R"=OCH
3
3
O
OH
cinnamate
O
OH
O
H
coumarate
O
OH
phenylalanine
NH
2
O
OH
O
H
tyrosine
NH
2
Monocots
Plastid
Cytosol
L-Tyr
L-Phe
?
ER-bound domains
AtABCG29
?
?
ABC transporters
Secondary cell wall
Plasma membrane
Primary cell walll
Lignin
Laccases
Peroxidases
O
2
H
O
2
H
O
2
H
O
2
2
H-units
S-units
G-units
C-units
H-H/G/S-units
4CL
4CL
4CL
?
?