Table 3 Summary of select genes shown to impact suberin production and structure in plants

AtMYB107, AtMYB9

Arabidopsis thaliana

Regulates suberin synthesis in seed coats

[116]

ANAC046

Arabidopsis thaliana

Regulates suberin accumulation in roots

[175]

AtMYB41

Arabidopsis thaliana

Regulates for aliphatic suberin synthesis and impacts lamellae structure

[118]

DAISY/KCS2, KCS20)

Arabidopsis thaliana

Biosynthesis of cuticular wax and root suberin. Potentially redundant functions of genes

[97, 98]

KCS1

Arabidopsis thaliana

Synthesis of very-long-chain fatty acid (VLCFA) products in multiple wax biosynthetic pathways

[93]

CYP86A1

Arabidopsis thaliana

Aliphatic root suberin biosynthetic enzyme

[88]

CYP86B1

Arabidopsis thaliana

Suberin aliphatic monomer (very-long-chain saturated α,ω-bifunctional) biosynthetic enzyme

[90]

FAR1, FAR4, FAR5

Arabidopsis thaliana

Impacts root and seed coat suberin composition (C18:0-OH in far5-1, C20:0-OH in far4-1, and C22:0-OH in far1-1, mutants)

[99]

GPAT5

Arabidopsis thaliana

Impacts aliphatic suberin quantity in roots and very long chain dicarboxylic acid and ω-hydroxy fatty in seed coats

[120]

ABCG2, ABCG6, and ABCG20

Arabidopsis thaliana

Impacts effective suberin synthesis/production in roots, seed coats and pollen wall

[176]

StNAC103

Potato and Arabidopsis

Regulates suberin and wax deposition and formation of tuber apoplastic barriers

[177]

QsMYB1

Quercus suber

Regulates several biosynthesis and transport genes in suberin and lignin pathways

[178]

MdMYB93

Apple

When heterologously expressed in tobacco leaves, regulates accumulation of suberin as well as precursors of suberin and lignin

[117]

CYP86A33

Potato

Enzymatic functionalization of suberin aliphatic compounds at ω-terminal C end in periderm

[91]

DSO/ABCG11

Arabidopsis thaliana

Impacts suberin composition in roots and cutin biosynthesis aboveground

[179]

AchnABF2, AchnMYB4,

AchnMYB41, AchnMYB107

Actinidia chinensis

(kiwifruit)

Regulates suberin biosynthesis genes and suberin monomer accumulation

[180]

SUBERMAN (SUB)

Arabidopsis thaliana

Regulates suberin pathway genes and lamellae formation

[51]

LTPG15

Arabidopsis thaliana

Transport protein involved in very-long-chain fatty acids transport for suberin production

[181]

ASFT (BAHD family)

Arabidopsis thaliana

Feruloyl transferase impacts suberin-associated ferulate abundance

[100]

RWP1 (HHT/BAHD family )

Arabidopsis

Reduction of ω-hydroxyacid:hydroxycinnamoyltransferase level/activity reduced ferulate content of suberin. Impacts composition (ferulate) of suberin in root, stem, and seed

[101]

FACT

Arabidopsis

Impacts alkyl caffeate levels in suberized tissues

[4]

FHT

Potato

Impacts ferulate esters levels, altered developmental and water permeability properties

[103]

PtFHT1

Populus

Heterologous expression in Arabidopsis results in higher root ferulate levels but not p-coumarate

[104]

THT (tyramine N-hydroxycinnamoyltransferase)

Tobacco, Potato, Pepper

Enzymatic synthesis of feruloyltyramine

[105,106,107,108]

ABCG1

Arabidopsis and Potato

Impacts suberin barrier formation in roots and tuber periderm (potato) and accumulation of suberin precursors

[112, 113]

At2g28670/ (esb1 mutant)

Arabidopsis thaliana

Increased suberin levels in roots of loss-of-function mutant

[22]

AtMYB92

 Arabidopsis

Regulates fatty acid and suberin biosynthetic genes and production of suberin monomers in tobacco leaf assays

[182]

SGN3

Arabidopsis

Receptor-like kinase with role in membrane microdomain formation in endodermis impacts Casparian strip formation and lacks parallel enhancement in suberin deposition as a compensation mechanism

[183]

ShMYB78

Sugarcane

Shown as activator of suberin production in heterologous assay

[119]