Table 1.
Effect of drought treatments on lignin deposition in plants.
| Plant species | Treatment | Lignin content | Lignified tissue | Genes involved in lignin deposition | Reference |
|---|---|---|---|---|---|
|
Tea tree
(Camellia sinensis) |
Withholding water | Increased | N.D. |
CsPAL, CsCCR, CsPRX |
Gu et al., 2020 |
|
Chickpea
(Cicer arietinum) |
Withholding water | Increased | Roots (metaxylem, protoxylem) |
CaLACs | Sharma et al., 2020 |
|
Oriental melon
(Cucumis melo) |
8% PEG6000 | Increased | Stems (metaxylem, protoxylem) |
CmPAL,CmC4H, Cm4CL, CmCCR, CmCOMT, CmPOD, CmLAC | Liu et al., 2021b |
|
Maize
(Zea mays) |
PEG6000 (−0.5 MPa) |
Increased | Roots (xylem fiber) |
ZmCCR | Fan et al., 2006 |
|
Maize
(Zea mays) |
16% PEG6000 | Higher in drought tolerant inbred lines | N.D. |
ZmCAD, ZmCOMT |
Hu et al., 2009 |
| White popinac (Leucaena leucocephala) | 1% mannitol | Higher than control plants | Stems and roots (xylem and xylem fibers) |
LlCCR | Srivastava et al., 2015 |
|
Arabidopsis
(Arabidopsis thaliana) |
1 µM ABA | Increased | Roots (inner metaxylem position) |
VND2, VND3, VDN7 | Ramachandran et al., 2021 |
N.D., Not determined.