Table 4.
Phytophthora cinnamomi proteins involved in plant cell wall degradation: enzymes containing auxiliary activity (AA), carbohydrate esterase (CE) and polysaccharide lyase (PL) modules.
| CAZyme family | Potential substrates | Potential enzyme activities | Number of genes |
|---|---|---|---|
| Auxiliary activity modules | |||
| AA1 | Benzenediol, catechol | Laccase, oxidoreductase, ferroxidase | 1 |
| AA7 | Cellobiose, chitin, glycoproteins | Glucooligosaccharide oxidase, chitooligosaccharide oxidase | 8 |
| AA8 | Cellulose | Iron reductase domain | 5 |
| AA10 | Cellulose | Copper‐dependent monooxygenase | 3 |
| Total | 17 | ||
| Carbohydrate esterase modules | |||
| CE1 | Hemicellulose | Feruloyl esterase | 5 |
| CE2 | Hemicellulose | Acetyl xylan esterase | 1 |
| CE4 | Hemicellulose, N‐linked oligosaccharides | Acetyl xylan esterase, peptidoglycan GlcNAc deacetylase | 2 |
| CE5 | Hemicellulose | Acetyl xylan esterase, cutinase | 9 |
| CE8 | Pectin (HG) | Pectin methylesterase | 17 |
| CE12 | Pectin (HG, RGI) | Pectin and RGI acetylesterase, acetyl xylan esterase | 12 |
| CE13 | Pectin (HG) | Pectin acetylesterase | 7 |
| Total | 53 | ||
| Polysaccharide lyase modules | |||
| PL1 | Pectin (HG) | Pectate lyase, pectin lyase | 21 |
| PL3 | Pectin (HG, RGI) | Pectate lyase | 22 |
| PL4 | Pectin (RGI) | Rhamnogalacturonan lyase | 6 |
| Total | 42 | ||
CAZyme, Carbohydrate‐Active enZyme; GlcNAc, N‐acetylglucosamine; HG, homogalacturonan; RGI, rhamnogalacturonan I.