Table 1.
Genes related to wood formation in the PdOLP1 coexpression network.
| Gene Name | Gene ID | Arabidopsis Orthologs | Description | Reference |
|---|---|---|---|---|
| PtrXYL5 | Potri.018G009300 | AT4G31590 | Poplar glycosyltransferase is involved in the process of wood formation. | [57] |
| PtrbHLH110 | Potri.005G230800 | AT1G27660 | The bHLH transcription factor regulates early xylem development. | [59] |
| PtrbHLH71 | Potri.005G071100 | AT3G24140 | ||
| PtrSER6 | Potri.014G026100 | AT4G02630 | The protein kinase family protein is associated with cell wall formation. | [60,61] |
| PtrZF4 | Potri.008G055100 | AT5G02460 | Zinc finger protein inducing secondary cell wall thickening in stem. | [62] |
| PtrGLY48 | Potri.005G058300 | AT2G13680 | Glycosyl transferases participate in cell wall biosynthesis. | [63] |
| PtrPK9 | Potri.001G117800 | AT4G22730 | Leucine-rich-repeat receptor-like kinase associated with fiber development and secondary cell wall formation. | [64] |
| PtrLRR5 | Potri.003G179100 | AT1G80630 | A calmodulin-binding proteins involved in the differentiation of tracheary elements. | [65] |
| PtrPOD3 | Potri.003G214700 | AT5G06720 | Peroxidase is responsible for cell wall lignification. | [58,66,67] |
| PtrPCD2 | Potri.011G001800 | AT4G21890 | Differentiation of procambial or cambial cells to tracheary elements is a typical example of programmed cell death in higher plants. | [68,69] |
| PtrGRAS5 | Potri.003G202100 | AT1G50420 | GRAS proteins are required for maintenance of shoots and root indeterminacy. | [70,71] |
| PtrGLU2 | Potri.006G116900 | AT5G03760 | Glucomannan-synthases are believed to have a role in hemicellulose biosynthesis. | [72] |
| PtrPP2 | Potri.012G120400 | AT4G19840 | Several phloem proteins are cell-wall proteins. | [32] |
| PtrNAC75 | Potri.018G068700 | AT4G29230 | NACs are involved in the regulation of secondary cell wall biosynthesis. | [18,73] |
| PtrBEL1 | Potri.010G197300 | AT5G02030 | BEL1 interacts with proteins related to wood formation to regulate secondary cell wall formation. | [21] |
| PtrbZIP42 | Potri.017G106700 | AT3G30530 | BZIPs show vascular cell expression patterns and can bind to a regulatory element that controls xylem-specific gene expression. | [74] |
| PtrMYB12 | Potri.002G168900 | AT5G53200 | MYB is involved in the regulation of secondary cell wall biosynthesis. | [75,76] |
| PtrMYB308 | Potri.018G005300 | AT5G35550 | ||
| PtrDyn8 | Potri.003G024900 | AT1G60500 | Dynamin is essential for proper secondary cell wall synthesis. | [77,78] |