Molecules 2013, 18. List of Figures
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- Δήλια Βασιλειάδης
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1 Supplementary Materials for Bio-Activity and Dereplication Based Discovery of Ophiobolins and Other Fungal Secondary Metabolites Targeting Leukemia Cells Contents 1. Strains tested in the initial screening against chronic lymphocytic leukemia (CLL)... S4 2. Strains found active against chronic lymphocytic leukemia (CLL)... S6 3. Penicillic acid isolated from Penicillium pulvillorum (IBT 22393)... S8 4. Viridicatumtoxin isolated from P. brasilianum (IBT 22244)... S9 5. Emestrin A isolated from Aspergillus sp. (Emericella-like state) (IBT 22838)... S10 6. Neosolaniol monoacetate isolated from Fusarium compactum (IBT 9034)... S12 7. Ophiobolins... S Potential ophiobolin producing strains from the Aspergilli section Usti... S NMR data for ophiobolin U, ophiobolin K, 6-epiophiobolin K, ophiobolin C, ophiobolin H, 6-epiophiobolin H, and 6-epiophiobolin G... S Ophiobolin U isolated from A. insuetus (IBT 28266)... S Ophiobolin H isolated from A. insuetus (IBT 28266)... S epiophiobolin N isolated from A. insuetus (IBT 28266)... S Ophiobolin K isolated from a new sp. in the Aspergillus section Usti (IBT 18591)... S epiophiobolin K isolated from a new sp. in the Aspergillus section Usti (IBT 18591)... S Ophiobolin C isolated from A. calidoustus (IBT 25726)... S epiophiobolin G isolated from A. calidoustus (IBT 25726)... S Activity of ophiobolin A, B, C and K + 6-epiophiobolin K towards healthy fibroblasts (Wi-38) cells... S Apoptosis induction in CLL cells by different ophiobolins.... S31
2 S2 List of Figures Figure S1. 1 H-NMR spectrum of penicillic acid in DMSO-d 6 at 500 MHz... S8 Figure S2. 1 H-NMR spectrum of viridicatumtoxin in DMSO-d 6 at 400 MHz.... S9 Figure S3. 1 H-NMR spectrum of emestrin A in DMSO-d 6 at 500 MHz.... S10 Figure S4. 1 H-NMR spectrum of neosolaniol monoacetate in DMSO-d 6 at 500 MHz.... S12 Figure S5. 1 H-NMR spectrum of ophiobolin U in CDCl 3.at 800 MHz... S16 Figure S6. 13 C-NMR spectrum of ophiobolin U in CDCl 3.at 200 MHz.... S16 Figure S7. 1 H-NMR spectrum of ophiobolin H in CDCl 3.at 800 MHz... S18 Figure S8. 13 C-NMR spectrum of ophiobolin H in CDCl 3.at 200 MHz.... S18 Figure S9. 1 H-NMR spectrum of 6-epiophiobolin N in CDCl 3.at 800 MHz.... S20 Figure S C-NMR spectrum of 6-epiophiobolin N in CDCl 3.at 200 MHz.... S20 Figure S11. 1 H-NMR spectrum of ophiobolin K in CDCl 3.at 800 MHz... S22 Figure S12. 1 H-NMR spectrum of 6-epiophiobolin K in CDCl 3.at 800 MHz.... S24 Figure S C-NMR spectrum of 6-epiophiobolin K in CDCl 3.at 200 MHz... S24 Figure S14. 1 H-NMR spectrum of ophiobolin C in CDCl 3.at 800 MHz.... S26 Figure S15. 1 H-NMR spectrum of 6-epiophiobolin G in CDCl 3.at 800 MHz.... S28 Figure S C-NMR spectrum of 6-epiophiobolin G in CDCl 3.at 200 MHz.... S28 Figure S17. Activity of ophiobolin A, B, C and K + 6-epiophioboln K towards healthy fibroblasts (Wi-38).... S30 Figure S18. CLL cells cultured in DMEM were treated for 24 hours with two different concentrations of ophiobolin A, ophiobolin B, ophiobolin C and ophiobolin K. In order to analyze apoptosis induction, cells of each well were divided into two parts and analyzed by flow cytometry using two different staining strategies. (a) cell survival was analyzed by gating on cells that were negative for Annexin V-phycoerythrin (PE) and 7-aminoactinomycin (7-AAD). Relative survival compared to DMSO control (0.1%) is depicted as mean values +SD of four independent CLL samples. (b) Caspase-3 activity is depicted as mean values +SD of four independent CLL samples relative to DMSO control (0.1%).... S31
3 S3 List of Tables Table S1. Strains tested in the initial screening.... S4 Table S2. Strains found active in the initial screening... S6 Table S3. 1 H and 13 C-NMR for penicillic acid in DMSO at 500 MHz for 1 H and 125 MHz for 13 C.... S8 Table S4. 1 H-NMR for viridicatumtoxin in DMSO at 500 MHz.... S9 Table S5. 1 H and 13 C-NMR for emestrin A in DMSO at 500 MHz for 1 H and 125 MHz for 13 C.. S11 Table S6. 1 H-NMR for neosolaniol monoacetate in DMSO at 500 MHz.... S12 Table S7. Aspergilli section Usti.... S13 Table S8. 13 C-NMR data for ophiobolin U, ophiobolin K, 6-epiophiobolin K, ophiobolin C, ophiobolin H, 6-epiophiobolin H, and 6-epiophiobolin G. (*125 MHz in dimethyl sulfoxide (DMSO)-d 6, 125 MHz in CDCl 3, or 200 MHz in CDCl 3, δ C ).... S14 Table S9. 1 H-NMR data for ophiobolin U, ophiobolin K, 6-epiophiobolin K, ophiobolin C, ophiobolin H, 6-epiophiobolin H, and 6-epiophiobolin G. (*500 MHz in DMSOd 6, 500 MHz in CDCl 3, or 800 MHz in CDCl 3, δ H mult. (J (Hz)))... S15 Table S10. 1 H and 13 C-NMR for ophiobolin U in CDCl 3.at 800 MHz for 1 H and 200 MHz for 13 C.... S17 Table S11. 1 H and 13 C-NMR for ophiobolin H in CDCl 3.at 800 MHz for 1 H and 200 MHz for 13 C.... S19 Table S12. 1 H and 13 C-NMR for 6-epiophiobolin N in CDCl 3.at 800 MHz for 1 H and 200 MHz for 13 C.... S21 Table S13. 1 H and 13 C-NMR for ophiobolin K in DMSO-d 6.at 500 MHz for 1 H and 125 MHz for 13 C.... S23 Table S14. 1 H and 13 C-NMR for 6-epiophiobolin K in DMSO-d 6.at 500 MHz for 1 H and 125 MHz for 13 C.... S25 Table S15. 1 H and 13 C-NMR for ophiobolin C in CDCl 3.at 800 MHz for 1 H and 200 MHz for 13 C Table S16. 1 H and 13 C-NMR for 6-epiophiobolin G in CDCl 3.at 800 MHz for 1 H and 200 MHz for 13 C.... S29
4 S4 1. Strains tested in the initial screening against chronic lymphocytic leukemia (CLL) Table S1. Strains tested in the initial screening. Isolate number Species Isolate number Species Aspergillus cystallinus 22516, Penicillium faroense 3234, 5265 Aspergillus cavernicola Penicillium cluniae Aspergillus granulosus Penicillium decumbens Aspergillus conjunctus Penicillium bialowiezense 10526, Aspergillus caespitosus Penicillium brevicompactum Aspergillus diversus Penicillium brasillianum 22564, Aspergillus funiculosis Penicillium pulvillorum Aspergillus deflectus Penicillium svalbardense Aspergillus varians Penicillium lapatayae 4537, Aspergillus pseudoustus Penicillium alpinium 14906, Aspergillus subvesicolor Penicillium caseium Aspergillus neocaespitos Penicillium pinicola Aspergillus microcysticus Penicillium aquamarinum 24752, Aspergillus karnakataense Penicillium groenlandense 26386, Aspergillus janus Penicillium algidum Aspergillus aureolatus Penicillium jamesonlandense Aspergillus sydowii Penicillium eidiense Aspergillus quasivesicolor Penicillium monticola New sp. in the Aspergillus section Usti Penicillium floccosum 21781, Aspergillus brevis Penicillium artemision 13670, Aspergillus neopuniceus Penicillium wyomingense Aspergillus neoustus Penicillium minitum Aspergillus panamensis Penicillium rivulorum 11860, Aspergillus protuberus Penicillium diversicolor 11821, Aspergillus vesicolor Penicillium ribeum Aspergillus subsessilis Penicillium turcosum 22554, Aspergillus ustus Penicillium jugorum Aspergillus Penicillium galathea pseudoversicolor 4332 Aspergillus neovesicolor Penicillium nassarsuaquense Aspergillus arizonae fel 248, cml 832 Pestalotiopsis Aspergillus aculeatus fel 64 Arthrinium phaeospermum Aspergillus sp. (Emericella-like state) fel 192 Ascochyta
5 S5 Table S1. Cont. Isolate number Species Isolate number Species 9194 Cylindrocarpon olidum fell 01 Acremonium 8893 Fusarium poae fel 240 Paraconiothyrium 8988 Fusarium avenaceum cml 1707 Nodulisporium 8979, 9077, Fusarium equiseti fel 89, fel 355, fel 364 Phomopsis Fusarium tricinctum fel 302 Cytospora 8945, 7785 Epicoccum nigrum fel 159 Bipolaris sp Fusarium compactum fel 06 Glomerella cingulata 9044 Fusarium culmorum fel 307, fel 308 Lecanicillium pasalliotae 9063 Fusarium cerealis fel 17, fel 42 Paraconiothyrium sporulosum 9085 Fusarium oxysporum fel 05, fel 30, cml Periconia Fusarium redolens fel 299A Curvularia 9089 Fusarium merismoides fel 142 Tubercularia sp Fusarium torulosum fel 315 Verticillium leptobactum 9086, 9206 Fusarium solani cml 1692 Lasiodiplodia theobromae 9103 Fusarium flocciferum cml 1709 Collototrichum crassipes 9112, 9121 Fusarium pallidoroseum cml 1681 Cuvularia prasadii 9107 Fusarium proliferatum cml 1671 Libertella 9117 Fusarium verticillioides fel 58, cml 1702, Microsphaeropsis cml 1703, cml Fusarium sambucinam cml 1670A Clonostachys 9184 Fusarium cml 1693 Spegazzinia deightonii chlamydosporum 9181 Fusarium neohelle cml 1695 Virgatospora echinofibrosa 9182 Fusarium neochlam fel 09, fel 241 Paraconiothyrium brasiliense
6 S6 2. Strains found active against chronic lymphocytic leukemia (CLL) Table S2. Strains found active in the initial screening. Isolate number Species Maximum activity observed on media 9103 Fusarium occiferum YES 9034 Fusarium compactum YES Aspergillus sp. (Emericella-like YES state) Aspergillus aculeatus CYA Aspergillus pseudovesicolor YES 3235 Aspergillus cavernicola YES Aspergillus caespitosus YES Aspergillus funiculosis YES Aspergillus diversus YES Aspergillus subvesicolor CYA Aspergillus microcysticus CYA Aspergillus karnakataense YES New sp. in the Aspergillus section YES Usti Aspergillus neoustus YES Aspergillus subsessilis CYA Penicillium bialowienze YES Penicillium brevicompactum YES Penicillium cluniae YES Penicillium pulvillorum YES Penicillium brasilianum YES Penicillium decumbens YES Aspergillus arizonae CYA Penicillium pinicola YES Penicillium aquamarinum CYA Penicillium faroense YES Penicillium groenlandense ALK Penicillium jamesonlandense CYA Penicillium eidense YES Penicillium monticola CYA Penicillium occosum CYA Penicillium artemision YES Penicillium diversicolor YES Penicillium ribeum YES Penicillium turcosum ALK
7 S7 Table S2. Cont. Isolate number Species Maximum activity observed on media Penicillium jugorum CYA Penicillium galathea CYA fel 248 Pestalotiopsis MEA fel 64 Arthrinium phaeospermum MEA fel 355 Phomopsis MEA fel 302 Cytospora MEA fel 159 Bipolaris sp YES fel 308 Lecanicillium psalliotae YES fel 240 Paraconiothyrium brasiliense YES fel 17 Paraconiothyrium sporulosum YES fel 05, fel 30 and cml Periconia YES 1716 fel 299A Curvularia YES fel 142 Tubercularia YES cml 1692 Lasiodiplodia theobromae YES cml 1709 Collototrichum crassipes YES cml 1692 Libertella YES cml 1703, cml 1690 Microphaeropsis YES cml 1707 Nodulisporium YES cml 1670A Clonostachys YES cml 1693 Spegazzinia deightonii YES cml 1695 Virgatospora echinofibrosa YES
8 S8 3. Penicillic acid isolated from Penicillium pulvillorum (IBT 22393) Figure S1. 1 H-NMR spectrum of penicillic acid in DMSO-d 6 at 500 MHz ppm Table S3. 1 H and 13 C-NMR for penicillic acid in DMSO at 500 MHz for 1 H and 125 MHz for 13 C. δ H mult. (J (Hz)) δ * C H, s OH H, br.s a H, s b H, br.s H, s H, s 58.5 * 13 C-NMR chemical shifts determined from HSQC and HMBC experiments.
9 S9 4. Viridicatumtoxin isolated from P. brasilianum (IBT 22244) Figure S2. 1 H-NMR spectrum of viridicatumtoxin in DMSO-d 6 at 400 MHz ppm Table S4. 1 H-NMR for viridicatumtoxin in DMSO at 500 MHz. δ H mult. (J (Hz)) 4α 2.55 (1H, m) 4β 2.81 (1H, m) (1H, br.s.) (1H, s) 14α 2.91 (1H, m) 14β 3.17 (1H, m) (1H, br.s.) 18α 1.98 (1H, m) 18β 2.13 (1H, m) 19α 1.30 (1H, dd, 5.6, 12.8) 19β 1.75 (1H, m) (3H, s) (3H, s) (3H, s) (3H,s) OH 5.59 (1H, br.s.) OH 6.79 (1H, br.s.) OH 8.84 (1H, br.s.) OH 9.73 (1H, br.s.) OH (1H, br.s.)
10 S10 5. Emestrin A isolated from Aspergillus sp. (Emericella-like state) (IBT 22838) Figure S3. 1 H-NMR spectrum of emestrin A in DMSO-d 6 at 500 MHz ppm
11 S11 Table S5. 1 H and 13 C-NMR for emestrin A in DMSO at 500 MHz for 1 H and 125 MHz for 13 C. δ H mult. (J (Hz)) δ C * a H, dd (2.5, 7.4) b H, ddd (2.0, 2.5, 7.4) H, dd (2.0, 8.5) H, dd (2.5, 8.5) H, d (2.5) H, d (7.2) OH H, d (7.2) H, s ' ' H, d (1.9) ' ' '-OH H, s 5' H, d (8.3) ' H, dd (2.0, 8.3) ' H, d (4.6) '-OH H, d (4.6) 1'' '' '' H, d (8.6) '' H, dd (1.9, 8.6) '' '' H, d (1.9) '' '' H, s 55.7 * 13 C-NMR chemical shifts determined from HSQC and HMBC experiments; Not possible to distinguish between C1 and C3; Not possible to distinguish between C2 and C4.
12 S12 6. Neosolaniol monoacetate isolated from Fusarium compactum (IBT 9034) Figure S4. 1 H-NMR spectrum of neosolaniol monoacetate in DMSO-d 6 at 500 MHz ppm Table S6. 1 H-NMR for neosolaniol monoacetate in DMSO at 500 MHz. δ H mult. (J (Hz)) H, d (5.0) H, dd, (3.0; 5.0) H, d (3.2) 5 6 7a H, dd (5.3; 15.7) 7b H, m H, d, (5.3) H, d (5.7) H, d (5.7) 12 13a H, d (3.9) 13b H, d (3.9) H, s 15a H, d (12.2) 15b H, d (12.2) H, s C=O C4 C=O C8 C=O C15 CH3 C H, s CH3 C H, s CH3 C H, s
13 S13 7. Ophiobolins 7.1 Potential ophiobolin producing strains from the Aspergilli section Usti Table S7. Aspergilli section Usti. IBT number Species Aspergillus ustus Aspergillus keveii Aspergillus insuetus Aspergillus calidoustus
14 S NMR data for ophiobolin U, ophiobolin K, 6-epiophiobolin K, ophiobolin C, ophiobolin H, 6-epiophiobolin H, and 6-epiophiobolin G Table S8. 13 C-NMR data for ophiobolin U, ophiobolin K, 6-epiophiobolin K, ophiobolin C, ophiobolin H, 6-epiophiobolin H, and 6-epiophiobolin G. (* 125 MHz in dimethyl sulfoxide (DMSO)-d 6, 125 MHz in CDCl 3, or 200 MHz in CDCl 3, δ C ). Ophiobolin U K * 6-epi-K * C H 6-epi-N 6-epi-G
15 S15 Table S9. 1 H-NMR data for ophiobolin U, ophiobolin K, 6-epiophiobolin K, ophiobolin C, ophiobolin H, 6-epiophiobolin H, and 6-epiophiobolin G. (* 500 MHz in DMSO-d 6, 500 MHz in CDCl 3, or 800 MHz in CDCl 3, δ H mult. (J (Hz))). Ophiobolin U K * 6-epi-K * C H 6-epi-N 6-epi-G 1a 1.03 m 1.14 m 1.58 m 1.26 m 1.36 m 1.18 m 1.15 m 1b 1.58 m 1.58 m 1.65 m 1.81 m 1.42 m 2.04 dd 2.03 m (3.7; 13.2) m 2.25 m 1.91 m 2.38 m 2.26 m 2.71 m 2.66 m 3-OH 6.51 br.s. 4a 1.87 dd 2.35 m 2.21 m 2.49 m 2.10 m 6.11 s 6.04 s (4.1, 15.1) 4b 2.68 dd 2.50 m 2.77 d (16.0) 2.80 m 2.18 m (7.9, 15.1) dd (4.7, 7.9) d (9.6) 3.22 d (9.8) 3.04 d (10.8) 3.26 m 3.17 d (9.8) 3.54 d (3.7) 3.40 m t (8.5) 7.02 t (8.5) 6.96 m 7.21 m 5.64 br.s dd 6.80 m (2.0; 6.3) 9a 2.24 m 2.04 m 2.27 m 2.31 m 1.70 m 2.25 m 2.20 m 9b 2.89 dd 2.69 m 2.65 m 2.45 m 2.50 dd 2.71 m 2.93 m (8.5, 12.5) (8.6; 13.8) m 1.56 m 2.46 m 1.67 m 1.60 m 2.72 m 2.63 m 12a 1.38 m 1.33 m 1.38 m 1.41 m 1.40 dd 1.42 m 1.43 m (7.6; 11.7) 12b 1.35 m 1.44 m 1.44 m 1.57 m 1.51 m 1.52 m 13a 1.58 m 1.54 m 1.22 m 1.46 m 1.54 m 1.23 m 1.25 m 13b 1.78 m 1.69 m 1.57 m 1.55 m 1.76 m 1.58 m 1.67 m m 2.09 m 1.87 m 2.36 m 2.05 m 1.75 m 1.89 m m 2.72 m 2.61 m 1.65 m 2.68 m 1.42 m 2.55 m 16a 5.21 t (10.0) 5.23 t (9.5) 5.25 t (9.3) 1.18 m 5.20 m 0.99 m 5.11 t (1.3) 16b 1.24 m 1.45 m 17a 6.03 m 5.99 m 6.11 m 1.95 m 5.99 m 1.94 m 6.10 m 17b 2.00 m 2.07 m m 6.04 m 6.09 m 5.09 m 5.98 m 5.12 t (7.0) 6.00 m s 1.19 s 1.26 s 1.36 s 1.24 s 2.10 s 2.06 s 21a 9.26 s 9.14 s 9.12 s 9.23 s 4.48 br.s s 9.26 s 21b 4.59 d (12.2) s 0.91 s 0.77 s 0.90 s 0.90 s 0.86 m 0.85 s d (6.7) 0.85 d (6.6) 0.92 d (6.6) 0.78 d (6.8) 0.88 d (6.7) 0.91 d (6.4) 0.97 d (6.8) s 1.68 s 1.70 s 1.61 s 1.73 s 1.61 s 1.76 s s 1.76 s 1.79 s 1.69 s 1.80 s 1.69 s 1.83 s
16 S Ophiobolin U isolated from A. insuetus (IBT 28266) Figure S5. 1 H-NMR spectrum of ophiobolin U in CDCl 3 at 800 MHz ppm Figure S6. 13 C-NMR spectrum of ophiobolin U in CDCl 3 at 200 MHz ppm
17 S17 Table S10. 1 H- and 13 C-NMR for ophiobolin U in CDCl 3 at 800 MHz for 1 H and 200 MHz for 13 C. δ H mult. (J (Hz)) δ C HMBC connectivities NOE connectivities 1a 1.03 (1H, m) , 3, 10, 11, 22 1b 1b 1.58 (1H, m) , 10, 12 1a, 2, 15, 20, (1H, m) , 3, 6, 7 6, 20, a 1.87 (1H, dd, 4.1, 15.1) 4b 2.68 (1H, dd, 7.9, 15.1) (1H, dd, 4.7, 7.9) , 5 2, 4b, , 3, 6 4a, , 6, 7 4b, d (1H, d, 9.6) , 3, 5, 7, 8, 21 2, 5, 9a, t (1H, d, 8.5) , 9, 21 9a, 9b, 10, 21 9a 2.24 (1H, m) , 8, 10, 11 6, 8, 9b, 22 9b 2.89 (1H, dd, 8.5, 12.5) , 8, 10, 11, 14 8, 9a, 10, 14, 15, (1H, m) , 9, 11, 14, 15, 22 8, 9b, (2H, m) , 11, 13, 14, 22 13a, 13b, 22 13a 1.58 (1H, m) , 14, 15 12, 13b, 22, 23 13b 1.78 (1H, m) , 11, 14, 15 12, 13a, (1H, m) , 11, 13, 15, 16, 23 9b, 10, 13b, 15, 16, (1H, m) , 16, 17, 23 9b, 1b, 14, 16, 18, 22, (1H, t, 10.0) , 15, 18, 23 9b, 14, 15, 17, (1H, m) , 19 16, (1H, m) , 25 15, (3H, s) ; 3; 4 1b, 2, 4a (1H, s) , 7, 8 5, s (3H, s) , 10, 11, 14 1b, 2, 6, 9a, 12, 13a, (2H, d, 6.7) , 15, 16 13a, 14, 15, (3H, s) , 19, (3H, s) , 19, 24 18
18 S Ophiobolin H isolated from A. insuetus (IBT 28266) Figure S7. 1 H-NMR spectrum of ophiobolin H in CDCl 3 at 800 MHz ppm Figure S8. 13 C-NMR spectrum of ophiobolin H in CDCl 3 at 200 MHz ppm
19 S19 Table S11. 1 H- and 13 C-NMR for ophiobolin H in CDCl 3 at 800 MHz for 1 H and 200 MHz for 13 C. δ H mult. (J (Hz)) δ C HMBC connectivities NOE connectivities 1a 1.36 m , 6, 10, 11, 22 1b 1b 1.42 m a, 2, 8, m b, 6, 20, a 2.10 m b, 20 4b 2.18 m a d (9.8) , 9a, br.s b, 9b 9a 1.70 m , 10, 11 6, 9b, 22 9b 2.50 dd (8.6; 13.8) , 8, 10, 11, 14 8, 9a, 10, 15, m , 9, 11, 14, 15, 22 9b, a 1.40 dd (7.6; 11.7) , 11, 14, 22 12b, 13a, 22 12b 1.57 m , 15 12a, 13b 13a 1.54 m , 14, 15 12a, 13b, 23 13b 1.76 m , 11, 14 12b, 13a, m , 11, 13, 15, 16, 23 10, 13b, 16, m , 16, 23 9b, 18, m b, 14, 17, m , 19 16, m , 24, 25 15, 23, s , 3 1b, 2, 4a 21a 4.48 br.s b 4.59 d (12.2) s , 10, 11 2, 6, 9a, 12a, d (6.7) , 15, 16 13a, 14, 16, s , 19, s , 19, 24 18
20 S epiophiobolin N isolated from A. insuetus (IBT 28266) Figure S9. 1 H-NMR spectrum of 6-epiophiobolin N in CDCl 3 at 800 MHz ppm Figure S C-NMR spectrum of 6-epiophiobolin N in CDCl 3 at 200 MHz ppm
21 S21 Table S12. 1 H and 13 C NMR for 6-epiophiobolin N in CDCl 3.at 800 MHz for 1 H and 200 MHz for 13 C. δ H mult. (J (Hz)) δ C HMBC connectivities NOE connectivities 1a 1.18 m ; 3; 10; 12; 22 1b, 6, 10, 12a/15 * 1b 2.04 dd (3.7; 13.2) , 6, 10, 11 1a, 10, 12a/15 *, 12b, m , a, 16b, 20, s ; 5; 6; d (3.7) ; 2; 5; 7; 8; 21 1a; 2; (8); 9a, dd (2.0; 6.3) ; 10; 21 2/9b **, (6), 9a, 21, 22 9a 2.25 m ; 8; 10 2/9b **, 6, 8, 12a, 22 9b 2.71 m , a, 12a/15 *, 20, m , 7, 13, 14, 22 1a, 1b, 6, 14, 16b a 1.42 m , 13, 22 1a, 1b, 9b, 12b, 13b, 14, 17a, 23 12b 1.51 m ; 11; 14; 22 1b; 12a/15 *; 13a; 13b; 22 13a 1.23 m ; 14; 15 12b; 13b; 22; 23 13b 1.58 m ; 11 13a; 14, 12a/15 *; m b, 10, 12a/15 *, 13b m a, 1b, 9b, 12b, 13b, 14, 17a, 23 16a 0.99 m ; 17; 18; 23 10; 17b; 18 16b 1.45 m /9b **; 10, 16a 17a 1.94 m ; 18; 19 12a/15 *; 17b; 23 17b 2.07 m a; 17a; t (7.0) ; 25 15; 16a; s , 3, 4 2/9b **; s , m ; 10; 12 1b; 2/9b **; 8; 9a; 12b; 13a d (6.4) ; 15; 16 10; 13a; 13b; 15; 16a; 17a; 17b s ; 19; s ; 19; 24 18; 24 * Not possible to distinguish between H12a and H15; ** Not possible to distinguish between H2 and H9b.
22 S Ophiobolin K isolated from a new sp. in the Aspergillus section Usti (IBT 18591) Figure S11. 1 H-NMR spectrum of ophiobolin K in CDCl 3 at 800 MHz.
23 S23 Table S13. 1 H and 13 C-NMR for ophiobolin K in DMSO-d 6 at 500 MHz for 1 H and 125 MHz for 13 C. δ H mult. (J (Hz)) δ C * HMBC connectivities NOE connectivities 1a 1.14 m , 10, 11, 22 1b 1.58 m 6, 10, 11 2, 12a, m , 4, 6, 7 1b, 4a, 6, 20, a 2.35 m , 5, 20 2, 20 4b 2.50 m 2, 3, d (9.8) , 3, 5, 7, 8, 21 2, 9a, t (8.5) , 9, 21 9b, 10, 21 9a 2.04 m , 8, 10, 11 6, 22 9b 2.69 m 7, 8, 10, 11, 14 8, 10, m , 8, 9, 11, 14, 22 8, 9b, a 1.33 m , 11, 13, 14, 22 1b, 13b, 22 12b 1.35 m 13a 1.54 m , 15 14, 22, 23, 24 13b 1.69 m 11 12a, m , 11, 13, 15, 16, 23 13a/b, 15, 16, m , 17, 23 14, 18, 22, t (9.5) , 15, 18, 23 9b, 14, 17, m , 18 16, m , 19, 24, 25 15, 23, s , 3, 4 1b, 2, 4a s , 7, s , 10, 11 2, 6, 9a, 12a, 13a, d (6.6) , 15, 16 13a, 14, 15, 16, s , 19, 25 13a, 17, s , 19, 24 18, 24 * 13 C NMR chemical shifts determined from HSQC and HMBC experiments.
24 S Epiophiobolin K isolated from a new sp. in the Aspergillus section Usti (IBT 18591) Figure S12. 1 H-NMR spectrum of 6-epiophiobolin K in CDCl 3 at 800 MHz. Figure S C-NMR spectrum of 6-epiophiobolin K in CDCl 3 at 200 MHz.
25 S25 Table S14. 1 H and 13 C-NMR for 6-epiophiobolin K in DMSO-d 6 at 500 MHz for 1 H and 125 MHz for 13 C. δ H mult. (J (Hz)) δ C HMBC connectivities NOE connectivities 1a 1.58 m , 6, 10, 22 6, 12a 1b 1.65 m 2, 20, m , 7 1a/b, 4b, 20, OH 6.51 br.s. 4a 2.21 m , 3, 5 20 (w) 4b 2.77 d (16.0) 3, 5, 20 2, d (10.8) , 2, 5, 7, 21 1a, 2 (w), m , 10, 21 9a/b, 21, 22 9a 2.27 m , 8 8, 22 (w) 9b 2.65 m 8, m , 9b, a 1.38 m , 22 1a 12b 1.44 m 10, a 1.22 m , b 1.57 m 14, m , 13b, 16, m , t (9.3) , 18 14, 17, m , 19 16, m , 25 15, 23, s , 3, 4 1b, 2, 4b s , 7, s , 10, 11 1b, 2, 8, 9a, 12b, 13a d (6.6) , 15, 16 13b, 14, 15, 16, s , 19, s , 19, 24 17
26 S Ophiobolin C isolated from A. calidoustus (IBT 25726) SK0086_1d SK0086 in CDCl3 32 scans Figure S14. 1 H-NMR spectrum of ophiobolin C in CDCl 3 at 800 MHz f1 (ppm)
27 S27 Table S15. 1 H and 13 C-NMR for ophiobolin C in CDCl 3 at 800 MHz for 1 H and 200 MHz for 13 C. δ H mult. (J (Hz)) δ C * HMBC connectivities NOE connectivities 1a 1.26 m , 10, 11 1b 1.81 m 6, 10 2, 12a, m b, 4a, 6, 20, a 2.49 m , 20 2, 20 4b 2.80 m 2, 3, m , 3, 5, 7, 8, 21 2, 9a, m , 9, 21 9b, 10, 21 9a 2.31 m , 8, 10, 11 6, 22, 23 9b 2.45 m 7, 8, 10, 11 8, m , 14, 15 8, 9b, 16b a 1.41 m b, 22 12b 1.44 m 13a 1.46 m b 1.55 m 10, m b, 15, 16b, 17b m , 23 16a 1.18 m , 15, 17, 18, 23 17a, 23 16b 1.24 m 14, 15, 17, 18, 23 1b, 10, 14,17b, 18 17a 1.95 m , 16, 18, 19 16a,18 17b 2.00 m 16, 18, 19 14, 16b, 23, m , 25 16b, 17a, s , 3, 4 1b, 2, 4a/b s , s , 11, 12 2, 6, 9a, 12a d (6.8) , 15, 16 9a, 13a, 15, 16a, 17b s , 19, 25 17b s , 19, * 13 C NMR chemichal shifts determinated from HSQC and HMBC experiments.
28 S epiophiobolin G isolated from A. calidoustus (IBT 25726) SK0082_1d SK0082 in CDCl3 32 scans Figure S15. 1 H-NMR spectrum of 6-epiophiobolin G in CDCl 3 at 800 MHz f1 (ppm) Figure S C-NMR spectrum of 6-epiophiobolin G in CDCl 3 at 200 MHz.
29 S29 Table S16. 1 H and 13 C-NMR for 6-epiophiobolin G in CDCl 3 at 800 MHz for 1 H and 200 MHz for 13 C. δ H mult. (J (Hz)) δ C HMBC connectivities NOE connectivities 1a 1.15 m , 3, 10, 11, 22 6, 10, 12a 1b 2.03 m 3, 6, 12, 22 2, m b, s , 5, 6, m , 2, 5, 7, 8, 21 1a, m , 9, 10, 21 9a/b, 21, 22 9a 2.20 m , 8, 10, 14 8, 15, 22 9b 2.93 m 7, 8, 10, 11 8, m , 9, 11, 13, 14, 22 1a, 6, 9b, a 1.43 m , 13, 14, 22 1a, 13b 12b 1.52 m 1, 10, 13, 14, a 1.25 m , 14, b 1.67 m 10, 11, 14 12a, 14, m , 10, 13, 15, 16, 23 10, 13b, 16, m , 16, 17, 23 9a/b, 18, t (1.3) , 15, 17, 18, 23 14, 17, m , 18, 19, 23 16, m , 17, 24, 25 15, 23, s , 3, 4, s , s , 12 1b, 2, 8, 9a, 12b, 13a d (6.8) , 15, 16 13b, 14, 15, 16, s ,19, s ,19, 24 18
30 S Activity of ophiobolin A, B, C and K + 6-epiophiobolin K towards healthy fibroblasts (Wi- 38) cells Figure S17. Activity of ophiobolin A, B, C and K + 6-epiophioboln K towards healthy fibroblasts (Wi-38) Relative cell viability
31 S Apoptosis induction in CLL cells by different ophiobolins Figure S18. CLL cells cultured in DMEM were treated for 24 hours with two different concentrations of ophiobolin A, ophiobolin B, ophiobolin C and ophiobolin K. In order to analyze apoptosis induction, cells of each well were divided into two parts and analyzed by flow cytometry using two different staining strategies. (a) cell survival was analyzed by gating on cells that were negative for Annexin V-phycoerythrin (PE) and 7-aminoactinomycin (7-AAD). Relative survival compared to DMSO control (0.1%) is depicted as mean values +SD of 4 independent CLL samples; (b) Caspase-3 activity is depicted as mean values +SD of 4 independent CLL samples relative to DMSO control (0.1%). (a) 1.2 relative survival (b) relative caspase 3 activity
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