Table 1.
Volatile organic compounds (VOCs) production from wt, ΔnoxR, Δnox1, and Δnox2 of Trichoderma atroviride strain IMI206040.
| No. | Class1 | Compound | Rel. peak area (1 × 106) |
|||
|---|---|---|---|---|---|---|
| wt (106.02) | ΔNoxR (123.79) | ΔNox1 (183.61) | ΔNox2 (55.73) | |||
| 1 | OT-1 | 2-Methyl-1-butanol3 | 1.94 ± 0.05 | 2.22 ± 0.35 | 1.48 ± 0.73 | 3.45 ± 0.53 |
| 2 | C7-1 | 2-Heptanone2 | 42.80 ± 1.72 | 33.40 ± 5.17 | 41.60 ± 1.35 | 33.70 ± 1.43 |
| 3 | C7-2 | 2-Heptanol2 | 4.18 ± 1.25 | 2.61 ± 1.14 | 2.62 ± 0.19 | 1.97 ± 0.57 |
| 4 | C8-1 | 1-Octen-3-ol2 | 0.30 ± 0.16 | 0.32 ± 0.22 | 0.10 ± 0.03 | 0.49 ± 0.20 |
| 5 | C8-2 | 3-Octanone2 | 2.35 ± 0.44 | 2.79 ± 1.27 | 1.13 ± 0.11 | 5.00 ± 1.06 |
| 6 | FU-1 | 2-Pentyl furan2 | 1.09 ± 0.65 | 3.15 ± 1.18 | 4.89 ± 1.27 | 1.78 ± 0.38 |
| 7 | C9-1 | 2-Nonanone2 | 1.88 ± 0.24 | 2.12 ± 0.34 | 3.05 ± 0.78 | 1.23 ± 0.08 |
| 8 | C9-2 | 2-Nonanol2 | 0.32 ± 0.12 | 0.39 ± 0.11 | 0.32 ± 0.08 | 0.24 ± 0.07 |
| 9 | FU-2 | 2-Heptyl furan2 | 0.11 ± 0.03 a | 0.30 ± 0.05 b | 0.43 ± 0.12 b | 0.11 ± 0.01 a |
| 10 | MT-1 | p-Menth-2-en-7-ol2 | 0.23 ± 0.01 | 0.20 ± 0.03 | 0.23 ± 0.05 | 0.27 ± 0.03 |
| 11 | C11 | 2-Undecanone2 | 0.16 ± 0.03 | 0.32 ± 0.06 | 0.59 ± 0.18 | 0.10 ± 0.03 |
| 12 | ST-1 | α–Bergamotene2 | 0.16 ± 0.05 a | 1.25 ± 0.36 b | 2.48 ± 0.88 b | 0.06 ± 0.01 a |
| 13 | ST-2 | (E)-β-Farnesene2 | 0.25 ± 0.06 | 0.49 ± 0.10 | 0.70 ± 0.19 | 0.17 ± 0.04 |
| 14 | 6PP-1 | 6-Pentyl-2H-pyran-2-one2 | 37.80 ± 23.90 a | 59.30 ± 22.20 a | 97.80 ± 38.70 a | 1.26 ± 0.44 b |
| 15 | ST-3 | β-Curcumene2 | 0.53 ± 0.07 | 0.68 ± 0.09 | 0.49 ± 0.16 | 0.33 ± 0.04 |
| 16 | ST-4 | α-Farnesene2 | 0.09 ± 0.03 | 0.26 ± 0.03 | 0.28 ± 0.08 | 0.13 ± 0.01 |
| 17 | ST-5 | β-Sesquiphellandrene2 | 0.26 ± 0.07 | 0.25 ± 0.05 | 0.33 ± 0.09 | 0.19 ± 0.01 |
| 18 | 6PP-2 | 6-Pent-1-enyl-2H-pyran-2-one3 | 0.97 ± 0.55 a | 1.78 ± 0.48 a | 2.37 ± 0.90 a | 0.04 ± 0.02 b |
| 19 | OT-2 | Unknown [77.132. 175] | 0.45 ± 0.12 | 0.34 ± 0.02 | 0.32 ± 0.09 | 0.27 ± 0.09 |
| 20 | ST-6 | Zingiberenol2 | 0.30 ± 0.05 | 0.41 ± 0.15 | 0.26 ± 0.08 | 0.14 ± 0.03 |
| 21 | DT-1 | Unknown diterpene3 | 2.57 ± 1.30 ab | 4.04 ± 1.19 b | 11.50 ± 3.85 b | 0.62 ± 0.09 a |
| 22 | DT-2 | Unknown diterpene3 | 0.00 ± 0.00 | 0.04 ± 0.01 | 0.27 ± 0.13 | 0.00 ± 0.00 |
| 23 | DT-3 | Unknown diterpene3 | 0.61 ± 0.33 a | 0.92 ± 0.29 a | 0.00 ± 0.00 b | 0.11 ± 0.01 c |
| 24 | DT-4 | Unknown diterpene3 | 0.00 ± 0.00 a | 0.00 ± 0.00 a | 2.75 ± 0.95 b | 0.00 ± 0.00 a |
| 25 | DT-5 | Unknown diterpene3 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.10 ± 0.05 | 0.00 ± 0.00 |
| 26 | DT-6 | Unknown diterpene3 | 0.21 ± 0.07 ac | 0.46 ± 0.08 ab | 0.86 ± 0.28 b | 0.09 ± 0.00 c |
| 27 | DT-7 | Unknown diterpene3 | 0.32 ± 0.05 | 0.23 ± 0.04 | 0.50 ± 0.24 | 0.18 ± 0.01 |
| 28 | DT-8 | Unknown diterpene3 | 0.25 ± 0.04 | 0.16 ± 0.03 | 0.25 ± 0.09 | 0.13 ± 0.01 |
| 29 | DT-9 | Unknown diterpene3 | 5.91 ± 0.60 | 5.40 ± 0.80 | 5.96 ± 1.12 | 3.67 ± 0.26 |
| Total | 106.02 ± 36.23 | 123.79 ± 34.21 | 183.61 ± 61.98 | 55.73 ± 2.59 | ||
1OT, Other; C7, C8, C9, and C11 indicate the number of carbon atoms in the compound; FU, Furan; MT, Monoterpene; ST, Sesquiterpene; DT, Diterpene; 6PP, Pyranone derivative. 2Compound identification based on mass spectrum and retention index. 3Compound identification based on mass spectrum only. Compounds italicized are those whose levels detected per strain matched to the fungistasis phenotype shown in Figure 5. Compounds in bold differ in their abundances with different letters indicating statistically significant differences (p < 0.05).