Potential virulence factors of 9 saprophytic and 12 clinical Trichoderma longibrachiatum strains were examined in the present study, in order to compare their capacity to cause infection in humans. All of the strains were able to grow at temperatures up to 40 °C and at pH values ranging from 2.0 to 9.0. Carbon and nitrogen source utilization experiments revealed that all of the strains were able to utilize a series of basic amino acids both as sole carbon and nitrogen sources. The MIC values of the tested antifungal drugs were found to be 0.016-8 µg/ml for amphotericin B, 64-256 µg/ml for fluconazole, 0.5-32 µg/ml for itraconazole and 0.008-1 µg/ml for ketoconazole in the case of the examinedis olates. Metabolites of the strains inhibited the growth of different bacteria, furthermore, compounds produced by three clinical isolates reduced the motility of boar spermatozoa, indicating their toxicity to mammalian cells as well. On the whole, there were no significant differences in the examined features between strains derived from clinical or soil samples. The question, however, whether all environmental Trichoderma longibrachiatum strains have the capacity to cause infections or not, remains still unanswered.
Klein, D., Eveleigh, D. E.: Ecology of Trichoderma. In: Kubicek, C. P., Harman, G. E. (eds), Trichoderma and Gliocladium. Taylor and Francis, London, 1998, Vol. 1, pp. 57-74.
Trichoderma and Gliocladium. , () 57 -74.
Kubicek, C. P., Pentilla, M. E.: Regulation of production of plant polysaccharide degrading enzymes by Trichoderma. In: Kubicek, C. P., Harman, G. E (eds), Trichoderma and Gliocladium. Taylor and Francis, London, 1998, Vol. 1, pp. 49-71.
Trichoderma and Gliocladium. , () 49 -71.
Peltola, J., Ritieni, A., Mikkola, R., Grigoriev, P. A., Pocsfalvi, G., Andersson, M. A., Salkinoja-Salonen, M. S.: Biological effects of Trichoderma harzianum peptaibols on mammalian cells. Appl Environ Microbiol 70, 4996-5004 (2004).
'Biological effects of Trichoderma harzianum peptaibols on mammalian cells. ' () 70 Appl Environ Microbiol : 4996 -5004.
Nagy, E., Kredics, L., Antal, Z., Papp, T.: Molecular diagnosis, epidemiology and taxonomy of emerging medically important filamentous fungi. Rev Med Microbiol 15, 153-162 (2004).
'Molecular diagnosis, epidemiology and taxonomy of emerging medically important filamentous fungi. ' () 15 Rev Med Microbiol : 153 -162.
Antal, Z., Manczinger, L., Szakács, G., Tengerdy, R. P., Ferenczy, L.: Colony growth, in vitro antagonism and secretion of extracellular enzymes in cold-tolerant strains of Trichoderma species. Mycol Res 104, 545-549 (2000).
'Colony growth, in vitro antagonism and secretion of extracellular enzymes in cold-tolerant strains of Trichoderma species. ' () 104 Mycol Res : 545 -549.
Manczinger, L., Antal, Z., Kredics, L.: Ecophysiology and breeding of mycoparasitic Trichoderma strains. Acta Microbiol Immunol Hung. 49, 1-14 (2002).
'Ecophysiology and breeding of mycoparasitic Trichoderma strains. ' () 49 Acta Microbiol Immunol Hung. : 1 -14.
Howell, C. R.: Mechanisms employed by Trichoderma species in the biological control of plant diseases: The history and evolution of current concepts. Plant Dis 87, 4-10 (2003).
'Mechanisms employed by Trichoderma species in the biological control of plant diseases: The history and evolution of current concepts. ' () 87 Plant Dis : 4 -10.
Szekeres, A., Kredics, L., Antal, Z., Kevei, F., Manczinger, L.: Isolation and characterisation of protease overproducing mutants of Trichoderma harzianum. FEMS Microbiol Lett 233, 215-222 ().
'Isolation and characterisation of protease overproducing mutants of Trichoderma harzianum. ' () 233 FEMS Microbiol Lett : 215 -222.
Benítez, T., Rincón, A. M., Limón, M. C., Codón, A. C.: Biocontrol mechanisms of Trichoderma strains. Int Microbiol 7, 249-260 (2004).
'Biocontrol mechanisms of Trichoderma strains. ' () 7 Int Microbiol : 249 -260.
Campos-Herrero, M. I., Bordes, A., Perera, A., Ruiz, M. C., Fernandez, A.: Trichoderma koningii peritonitis in a patient undergoing peritoneal dialysis. Clin Microbiol Newslett 18 150-151 (1996).
'Trichoderma koningii peritonitis in a patient undergoing peritoneal dialysis. ' () 18 Clin Microbiol Newslett : 150 -151.
Munoz, F. M., Demmler, G. J., Travis, W. R., Ogden, A. K., Rossmann, S. N., Rinaldi, M. G.: Trichoderma longibrachiatum infection in a pediatric patient with aplastic anemia. J Clin Microbiol 35, 499-503 (1997).
'Trichoderma longibrachiatum infection in a pediatric patient with aplastic anemia. ' () 35 J Clin Microbiol : 499 -503.
Tanis, B. C., van der Pijl, H., van Ogtrop, M. L., Kibbelaar, R. E., Chang, P. C.: Fatal fungal peritonitis by Trichoderma longibrachiatum complicating peritoneal dialysis. Nephrol Dial Transplant 10, 114-116 (1995).
'Fatal fungal peritonitis by Trichoderma longibrachiatum complicating peritoneal dialysis. ' () 10 Nephrol Dial Transplant : 114 -116.
Seguin, P., Degeilh, B., Grulois, I., Gacouin, A., Maugendre, S., Dufour, T., Dupont, B., Camus, C.: Successful treatment of a brain abscess due to Trichoderma longibrachiatum after surgical resection. Eur J Clin Microbiol Infect Dis 14 445-448 (1995).
'Successful treatment of a brain abscess due to Trichoderma longibrachiatum after surgical resection. ' () 14 Eur J Clin Microbiol Infect Dis : 445 -448.
Furukawa, H., Kusne, S., Sutton, D. A., Manez, R., Carrau, R., Nichols, L., Abu-Elmagd, K., Skedros, D., Todo, S., Rinaldi, M. G.: Acute invasive sinusitis due to Trichoderma longibrachiatum in a liver and small bowel transplant recipient. Clin Infect Dis 26 487-489 (1998).
'Acute invasive sinusitis due to Trichoderma longibrachiatum in a liver and small bowel transplant recipient. ' () 26 Clin Infect Dis : 487 -489.
Richter, S., Cormican, M. G., Pfaller, M. A., Lee, C. K., Gingrich, R., Rinaldi, M. G., Sutton, D. A.: Fatal disseminated Trichoderma longibrachiatum infection in an adult bone marrow transplant patient: Species identification and review of the literature. J Clin Microbiol 37, 1154-1160 (1999).
'Fatal disseminated Trichoderma longibrachiatum infection in an adult bone marrow transplant patient: Species identification and review of the literature. ' () 37 J Clin Microbiol : 1154 -1160.
Myoken, Y., Sugata, T., Fujita, Y., Asaoku, H., Fujihara, M., Mikami, Y.: Fatal necrotizing stomatitis due to Trichoderma longibrachiatum in a neutropenic patient with malignant lymphoma: a case report. Int J Oral Maxillofac Surg 31, 688-691 (2002).
'Fatal necrotizing stomatitis due to Trichoderma longibrachiatum in a neutropenic patient with malignant lymphoma: a case report. ' () 31 Int J Oral Maxillofac Surg : 688 -691.
Chouaki, T., Lavarde, V., Lachaud, L., Raccurt, C. P., Hennequin, C.: Invasive infections due to Trichoderma species: report of 2 cases, findings of in vitro susceptibility testing, and review of the literature. Clin Infect Dis 35, 1360-1367 (2002).
'Invasive infections due to Trichoderma species: report of 2 cases, findings of in vitro susceptibility testing, and review of the literature. ' () 35 Clin Infect Dis : 1360 -1367.
Kredics, L., Antal, Z., Dóczi, I., Manczinger, L., Kevei, F., Nagy, E.: Clinical importance of the genus Trichoderma. Acta Microbiol Immunol Hung 50, 105-117 (2003).
'Clinical importance of the genus Trichoderma. ' () 50 Acta Microbiol Immunol Hung : 105 -117.
Andersson, M. A., Nikulin, M., Koljalg, U., Andersson, M. C., Rainey, F., Reijula, K., Hintikka, E. L., Salkinoja-Salonen, M.: Bacteria, molds, and toxins in water-damaged building materials. Appl Environ Microbiol 63, 387-393 (1997).
'Bacteria, molds, and toxins in water-damaged building materials. ' () 63 Appl Environ Microbiol : 387 -393.
Peltola, J., Andersson, M. A., Haahtela, T., Mussalo-Rauhamaa, H., Rainey, F. A., Kroppenstedt, R. M., Samson, R. A., Salkinoja-Salonen, M. S.: Toxic metabolite producing bacteria and fungus in an indoor environment. Appl Environ Microbiol 67, 3269-3274 (2001).
'Toxic metabolite producing bacteria and fungus in an indoor environment. ' () 67 Appl Environ Microbiol : 3269 -3274.
Schmoll, M., Zeilinger, S., Mach, R. L., Kubicek, C. P.: Cloning of genes expressed early during cellulase induction in Hypocrea jecorina by a rapid subtraction hybridization approach. Fungal Genet Biol 41, 877-887 (2004).
'Cloning of genes expressed early during cellulase induction in Hypocrea jecorina by a rapid subtraction hybridization approach. ' () 41 Fungal Genet Biol : 877 -887.