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Murine model of disseminated fusariosis: evaluation of the fungal burden by traditional CFU and quantitative PCR.
- Source :
-
Mycopathologia [Mycopathologia] 2013 Oct; Vol. 176 (3-4), pp. 219-24. Date of Electronic Publication: 2013 Aug 13. - Publication Year :
- 2013
-
Abstract
- Systemic disease is the most severe clinical form of fusariosis, and the treatment involves a challenge due to the refractory response to antifungals. Treatment for murine Fusarium solani infection has been described in models that employ CFU quantitation in organs as a parameter of therapeutic efficacy. However, CFU counts do not precisely reproduce the amount of cells for filamentous fungi such as F. solani. In this study, we developed a murine model of disseminated fusariosis and compared the fungal burden with two methods: CFU and quantitative PCR. ICR and BALB/c mice received an intravenous injection of 1 × 10(7) conidia of F. solani per mouse. On days 2, 5, 7, and 9, mice from each mice strain were killed. The spleen and kidneys of each animal were removed and evaluated by qPCR and CFU determinations. Results from CFU assay indicated that the spleen and kidneys had almost the same fungal burden in both BALB/c and ICR mice during the days of the evaluation. In the qPCR assay, the spleen and kidney of each mouse strain had increased fungal burden in each determination throughout the entire experiment. The fungal load determined by the qPCR assay was significantly greater than that determined from CFU measurements of tissue. qPCR could be considered as a tool for quantitative evaluation of fungal burden in experimental disseminated F. solani infection.
- Subjects :
- Animals
Fusarium genetics
Fusarium growth & development
Kidney microbiology
Male
Mice
Mice, Inbred BALB C
Mice, Inbred ICR
Real-Time Polymerase Chain Reaction methods
Spleen microbiology
Time Factors
Colony Count, Microbial methods
Disease Models, Animal
Fusariosis microbiology
Fusarium isolation & purification
Subjects
Details
- Language :
- English
- ISSN :
- 1573-0832
- Volume :
- 176
- Issue :
- 3-4
- Database :
- MEDLINE
- Journal :
- Mycopathologia
- Publication Type :
- Academic Journal
- Accession number :
- 23943405
- Full Text :
- https://doi.org/10.1007/s11046-013-9687-3