Spore Reproductive structure of fungi/moulds and certain bacteria ST Sterigmatocystin 5ST 5-methoxysterigmatocystin T-2 T-2 toxin, a type a trichothecene TA Type A trichothecene TB Type B trichothecene TFA Trifluoroacetic acid TLC Thin layer chromatography TMS Trimethylsilyl, derivative group, -Si(CH3)3 TNFα Tumor necrosis factor α, a cytokine TR Trichothecene V8 V8 juice agar VB Verrucarin B, a macrocyclic trichothecene VJ Verrucarin J, a macrocyclic trichothecene Water-damaged Floating water present, aw ≈ 1 WP Wallpaper YES Yeast extract sucrose agar Page xi
PAPERS PREPARED IN CONNECTION WITH THIS THESIS 1. Nielsen KF, Hansen MØ, Larsen TO, Thrane U. 1998. Producti<strong>on</strong> of trichothecene mycotoxins <strong>on</strong> water damaged gypsum boards in Danish <strong>building</strong>s. Internati<strong>on</strong>al Biodeteriorati<strong>on</strong> & Biodegradati<strong>on</strong> 42:1-7. 2. Nielsen KF, Thrane U, Larsen TO, Nielsen PA, Gravesen S. 1998. Producti<strong>on</strong> of mycotoxins <strong>on</strong> artificially inoculated <strong>building</strong> <strong>materials</strong>. Internati<strong>on</strong>al Biodeteriorati<strong>on</strong> & Biodegradati<strong>on</strong> 42:8-17. 3. Nielsen, KF, Gravesen S, Nielsen PA, Andersen B, Thrane, Frisvad JC. 1999. Producti<strong>on</strong> of mycotoxins <strong>on</strong> artificially and naturally infested <strong>building</strong> <strong>materials</strong>. Mycopathologia 145:43-56. 4. Gravesen S, Nielsen PA, Iversen R, Nielsen KF. 1999. Microfungal c<strong>on</strong>taminati<strong>on</strong> of damp <strong>building</strong>s - examples of risk c<strong>on</strong>structi<strong>on</strong>s and risk <strong>materials</strong>. Envir<strong>on</strong>mental Health Perspectives 107, Supplement 3:505-508. 5. Nielsen, KF, Madsen JØ. 2000. Determinati<strong>on</strong> of ergosterol <strong>on</strong> mouldy <strong>building</strong> <strong>materials</strong> using isotope diluti<strong>on</strong> and gas chromatography - tandem mass spectrometry. Journal of Chromatography A 898: 227-234. 6. Andersen B, Nielsen, KF, Jarvis BB. Characterizati<strong>on</strong> of Stachybotrys from waterdamaged <strong>building</strong>s based <strong>on</strong> morphology, <str<strong>on</strong>g>growth</str<strong>on</strong>g> and metabolite producti<strong>on</strong>. Mycologia (Accepted for publicati<strong>on</strong>). 7. Peltola J, Niessen L, Nielsen KF, Jarvis BB, Salkinoja-Sal<strong>on</strong>en M, Möller E. Genetic diversity of Stachybotrys chartarum and relatedness to toxicity (submitted). 8. Nielsen KF, Huttunen K, Andersen B, Jarvis BB, Hyvärinen A, Hirv<strong>on</strong>en M-R. Relati<strong>on</strong>ship between metabolite profiles of Stachybotrys isolates from water-damaged <strong>building</strong>s and their inducti<strong>on</strong> of inflammatory mediators and cytotoxicity in macrophages (submitted). 9. Nielsen KF, Huttunen K, Andersen B, Jarvis BB, Hyvärinen A, Hirv<strong>on</strong>en M-R. 2002. Relati<strong>on</strong>ship between metabolite profiles of Stachybotrys isolates from water-damaged <strong>building</strong>s and their inducti<strong>on</strong> of inflammatory mediators and cytotoxicity in macrophages. Mycopathologia (in press). 10. Nielsen, KF, Nielsen PA, Holm G, Uttrup LP. <str<strong>on</strong>g>Mould</str<strong>on</strong>g> <str<strong>on</strong>g>growth</str<strong>on</strong>g> and metabolism <strong>on</strong> <strong>building</strong> <strong>materials</strong> under different humidities and temperatures (Submitted). 11. Wilkins KC, Nielsen KF, Din SL. 2002. Patterns of volatile metabolites and trichothecenes produced by Stachybotrys and other trichothecene producing molds. Envir<strong>on</strong>mental Science & Polluti<strong>on</strong> Research (in press). 12. Reelsev M, Miller M, Nielsen, KF. Quantifying mold biomass <strong>on</strong> <strong>building</strong> <strong>materials</strong>: A comparis<strong>on</strong> of ergosterol and MycoMeter-test (submitted). 13. van der Wel GK, Nielsen KF, Adan O. <str<strong>on</strong>g>Mould</str<strong>on</strong>g> <str<strong>on</strong>g>growth</str<strong>on</strong>g> and metabolism <strong>on</strong> <strong>building</strong> <strong>materials</strong> under c<strong>on</strong>stant and transient humidities. (in prep, crude draft) Page xii
- Page 1 and 2: Ph.D. thesis Mould
- Page 3 and 4: Title Mould <stron
- Page 5 and 6: 4.3 Growth and metabolite productio
- Page 7 and 8: Mould grow
- Page 9 and 10: ABSTRACT The aim of this study was
- Page 11: ABBREVIATIONS AND TERMS Aflatoxin B
- Page 16 and 17: 1 INTRODUCTION During the last 10 y
- Page 18 and 19: 2 MOULDS IN BUILDINGS Viable mould
- Page 20 and 21: of Penicillium and Aspergillus vers
- Page 22 and 23: 2.2.1.1 Humidity - some definitions
- Page 24 and 25: current PC programs which can model
- Page 26 and 27: the scope of this work, and only ca
- Page 28 and 29: It should be considered that on nat
- Page 30 and 31: Europe produced MTR. This is signif
- Page 32 and 33: een Japanese patents and patent app
- Page 34 and 35: 2.4.2.2 A. ustus Aspergillus ustus
- Page 36 and 37: 2.4.3.2 P. brevicompactum Penicilli
- Page 38 and 39: and the altertoxins are about 1000
- Page 40 and 41: Erg is partially bound as different
- Page 42 and 43: ionisation (APCI) have greatly expa
- Page 44 and 45: genera Penicillium, Aspergillus, Al
- Page 46 and 47: 4 RESULTS AND DISCUSSION The reason
- Page 48 and 49: inorganic concrete materials partly
- Page 50 and 51: guish A. versicolor, often seen as
- Page 52 and 53: These findings are in accordance wi
- Page 54 and 55: To study the ratio between trichode
- Page 56 and 57: When growing on PSA agar, S. charta
- Page 58 and 59: These quantities correspond to abou
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mAU 4 3.5 3 2.5 2 1.5 1 0.5 0 mAU 1
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4.3.2.4 A. flavus In paper 10, A. f
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4.3.3.3 P. polonicum Only two indoo
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4.3.7 Chaetomium globosum Being an
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4.3.11 Eurotium In study 10, Euroti
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makes screening impossible, as it p
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5°C. Pure mineral based materials
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REFERENCES 1. Platt,SD, Martin,CJ,
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44. Jarvis,BB, Sorenson,WG, Hintikk
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87. Nevalainen,A, Pasanen,A-L, Niin
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135. Jakubowski,J. 1971. The prewea
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176. Ueno,Y. 1985. Toxicology of My
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223. Kaneto,R, Dobashi,K, Kojima,I,
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264. Land,CJ, Hult,K , Fuchs,R, Hag
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307. Shier,WT, Abbas,H, Mirocha,CJ.
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353. D'agostino,PA, Provost,LR, Dro
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392. Hack,R, Märtlbauer,E, Terplan
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APPENDIX A Conference proceedings a
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Table 2 Non-trichothecene secondary
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Table 3 Secondary metabolites and m
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Table 5 Secondary metabolites and m
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Table 6 Secondary metabolites and m
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Table 8 Secondary metabolites and m
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Table 10 Secondary metabolites and
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Table 14 Secondary metabolites and
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Reference List 1. Anonymous1991. At
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69. Hamaski, T, Hatsuda, Y, Terashi
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137. Ghosal, S, Biswas, K, Chakraba
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205. Castillo, M-A, Moya, P, Couill
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269. Brückner, H, König, WA, Grei
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Mould grow