Table 2.
Modification of lignin deposition and its effect on drought tolerance.
| Plant species | Gene | Lignin content | Drought tolerance | Lignified tissue | Genes involved in lignin deposition | Reference |
|---|---|---|---|---|---|---|
|
Rice
(Oryza sativa) |
OsERF71 (overexpression) | Increased | Increased | Roots (between metaxylem and stele) |
OsPAL, OsC4H, OsCCR1, OsCCR10, OsCAD, OsPRX |
Lee et al., 2016 |
|
Rice
(Oryza sativa) |
OsNAC17 (overexpression) | Increased | Increased | Leaves and roots |
OsPAC7, OsCCR29, OsPRX22, OsPRX131, OsCAD8D |
Jung et al., 2022 |
|
Rice
(Oryza sativa) |
OsCCR10 (overexpression) | Increased | Increased | Stems and roots (metaxylem, xylem fiber, sclerenchyma) |
OsCCR10 | Bang et al., 2022 |
|
Rice
(Oryza sativa) |
OsTF1L (overexpression) | Increased | Increased | Shoots (epidermis, sclerenchyma, xylem) |
OsPRX2, OsPRX22, OsPRX38, OsCAD6, OsCAD7, OsCOMTL5 |
Bang et al., 2019 |
|
Grapevine
(Vitis vinifera) |
VlbZIP30 (overexpression) | Increased | Increased | Stems (secondary xylem) |
VvPRX4, VvPRX72 | Tu et al., 2020 |
|
Oriental melon
(Cucumis melo) |
CmCAD2
(suppression) |
Reduced | Reduced | Stems (xylem) |
N.D. | Liu et al., 2020 |
|
Oriental melon
(Cucumis melo) |
CmCAD3 (suppression) | Reduced | Reduced | Stems (xylem) |
N.D. | Liu et al., 2020 |
|
Apple
(Malus × domestica) |
MdMYB88 (overexpression) | Increased | Increased | Roots | MdVND6, MdMYB46 | Geng et al., 2018 |
|
Apple
(Malus × domestica) |
MdMYB124
(overexpression) |
Increased | Increased | Roots | MdVND6, MdMYB46 | Geng et al., 2018 |
| Populus ussuriensis |
PuC3H35
(overexpression) |
Increased | Increased | Roots (xylem) |
PuEARL11 | Li et al., 2022 |
|
Foxtail millet
(Setaria italica) |
SiMYB56 (overexpression) | Increased | Increased | N.D. | OsPAL, OsC4H, Os4CL5, OsCCR10, OsCAD, OsF5H1 | Xu et al., 2020 |
| Cassava (Manihot esculenta) | MeRAV5 (suppression) | Reduced | Reduced | N.D. | MeCAD | Yan et al., 2021 |
|
Arabidopsis
(Arabidopsis thaliana) |
AtCAD4, AtCAD5, AtFAH1 (knockout) |
Reduced (increased XCHO) |
Increased | N.D. |
AtCAD4, AtCAD5, AtFAH1 |
Ménard et al., 2022 |
N.D., Not determined.