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Identification of Mortierella wolfii, a causative agent of mycotic abortion in cattle
Abstract:
Of several media tested for their ability to induce asexual reproduction in confirmed or suspected isolates of Mortierella wolfii obtained from cattle in various geographical locations, only silage extract agar worked consistently and rapidly. Its use should provide a simple reliable culturing procedure to assist with identification of clinical isolates of this fungus. Temperature growth response curves and electrophoretic patterns of soluble protein extracts of these isolates with characteristic morphological features of M. wolfii indicate substantial variation amongst them.
Insights
Researchers found that silage extract agar consistently induced asexual reproduction in Mortierella wolfii, aiding in the identification of this fungus from cattle. Variations were observed in growth and protein patterns among isolates.
Area of Science:
- Mycology
- Veterinary Microbiology
- Fungal Pathogenesis
Background:
- Mortierella wolfii is a fungus associated with cattle, often implicated in clinical cases.
- Accurate identification of M. wolfii is crucial for diagnosis and understanding its epidemiology.
- Existing culturing methods may not consistently induce asexual reproduction, hindering identification.
Purpose of the Study:
- To identify an effective medium for inducing asexual reproduction in Mortierella wolfii isolates.
- To develop a reliable culturing procedure for clinical identification of M. wolfii.
- To assess the variability among M. wolfii isolates from different geographical locations.
Main Methods:
- Tested various media for their ability to induce asexual reproduction in M. wolfii.
- Utilized silage extract agar for culturing.
- Analyzed temperature growth response curves and electrophoretic patterns of soluble protein extracts.
Main Results:
- Silage extract agar was the only medium that consistently and rapidly induced asexual reproduction.
- This method offers a simple and reliable procedure for culturing and identifying clinical M. wolfii isolates.
- Significant variations were observed in growth responses and protein profiles among the studied isolates.
Conclusions:
- Silage extract agar is a highly effective medium for the routine culturing and identification of Mortierella wolfii.
- The observed variations highlight the genetic diversity within M. wolfii populations, potentially impacting pathogenicity and diagnostics.