Fig 1.

The previous reports on extracellular metabolites produced by Irpex lacteus (strain CMU-8413) at stationary phase_
| Metabolite | Fungal species | Sourcea | Bioactivity/Commenta | Reference |
|---|---|---|---|---|
| Apotrichodiol | Fusarium spp. | EM | mycotoxin | (Lebrun et al. 2015) |
| Apotrichothecene | Fusarium spp. | EM | mycotoxin | (Lebrun et al. 2015) |
| Blennin D | Lentinellus cochleatus | BE | inhibitor of leukotriene biosynthesis | (Wunder et al. 1996) |
| Collybial | Collybia confluens | EM | antibacterial, antiviral | (Simon et al. 1995) |
| Cyclocalopin A | Caloboletus radicans | BE | antioxidant, antibacterial | (Tareq et al. 2018) |
| Dehydrooreadone | Marasmius oreades | EM | NT | (Ayer and Craw 1989) |
| Dictyoquinazol A | Dictyophora indusiata/other basidiomycetes | BE | neuroprotective | (Lee et al. 2002) |
| Dihydromarasmone | Marasmius oreades | EM | antimicrobial | (Ayer and Craw 1989) |
| Frequentin | Penicillium frequentans/Penicillium spp. | EM | antifungal, antibacterial | (Curtis et al. 1951) |
| Ganodermic acid Jb | Ganoderma lucidum | ME | NT | (Shiao et al. 1988) |
| Geosmin | Cortinarius herculeus/Cystoderma spp. | BE | musty-earthy odor | (Breheret et al. 1999) |
| Microdiplodiasol | Microdiplodia sp. | EM | antifungal antibacterial | (Siddiqui et al. 2011) |
| Pandangolide 1 | Cladosporium marine | EM | NA | (Gesner et al. 2005) |
| Piperdial | Lactarius spp./Russula queletii | BE | produced by damage | (Sterner et al. 1985) |
Extracellular metabolites produced by Irpex lacteus (strain CMU-8413) at stationary phase_
| Compound name | Molecular formula | Observed m/z | Adduct | Main fragment ions m/z | Compound class |
|---|---|---|---|---|---|
| Apotrichodiol | C15H24O3 | 251.1652 | m-h | 233.1547 | Sesquiterpene |
| Apotrichothecene | C15H24O2 | 201.1637 | M+H-2H20 | 157.1481, 186.1403, 173.1348, 159.1185, 145.1029, 128.0639, 115.0558, 105.0711 | Sesquiterpenoid epoxide |
| Blennin D | C15H22O4 | 265.1436 | m-h | 237.1386, 221.1418, 205.1473, 191.1441, 187.1406, 175.1412 | Sesquiterpene |
| Collybial | C15H20O2 | 215.1424 | m+h-h2o/M+H | 187.1512, 173.1325, 159.0804, 157.1008, 142.0792, 128.0869, 115.0534 | Sesquiterpene |
| Cyclocalopin A | C15H20O6 | 295.1168 | m-h | 251.1160, 233.1149, 221.1123, 215.0924, 203.1027, 189.1142, 173.0818, 167.0634, 157.0526 | Sesquiterpene |
| Dehydrooreadone | C14H18O3 | 279.1218 | M+FA-H | 261.0987, 233.1046, 219.0902, 201.0804, 189.1178, 185.0502, 183.0663, 173.0874 | Sesquiterpene |
| Dictyoquinazol A | C17H16N2O4 | 311.1090 | m-h | 267.1079, 237.0366, 205.1134, 193.1114, 187.1005, 175.1036, 159.0740, 151.0638, 149.0482 | Quinazoline |
| Dihydromarasmone | C15H20O5 | 279.1216 | m-h | 235.0976, 219.1390, 217.1131, 207.1277, 191.1342, 173.1250, 163.0871 | Sesquiterpene |
| Frequentin | C14H20O4 | 233.1181 | m-h2o-h | 205.1234, 196.8934, 189.1195, 173.0864 | Cyclohexanecarbaldehyde |
| Ganodermic acid Jb | C30H46O4 | 453.3436 | M+H-H20 | 322.2571, 208.3768, 119.0945 | Triterpene |
| Geosmin | C12H220 | 203.1431 | M+Na-2H | 201.1177, 188.1100, 187.1010, 175.1426, 147.0792 | Sesquiterpene |
| Microdiplodiasol | C15H18O7 | 309.0948 | M-H | 265.0858, 203.0963, 193.1139, 187.0612, 175.1035 | Xanthone derivative |
| Pandangolide 1 | C12H20O5 | 243.1242 | m-h | 203.6930, 181.1234 | Polyketide |
| Piperdial | C15H22O3 | 251.1617 | m+h | 233.1537, 215.1455, 205.1587, 191.1067, 187.1503, 177.0810, 159.1189, 145.1029 | Unsaturated dialdehyde |