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[Decomposition of cholesterol by Achromobacter candicans]
Mikrobiologiia
|January 1, 1975
Summary
Achromobacter candicans 42 efficiently decomposes cholesterol using wet biomass, achieving 72.5% decomposition. Cell-free extracts also show activity, yielding delta4-cholesten-3-one as an intermediate product.
Area of Science:
- Microbiology
- Biochemistry
Context:
- Cholesterol decomposition is crucial in various biological and industrial processes.
- Achromobacter candicans 42 is a bacterium with known metabolic capabilities.
Purpose:
- To investigate the cholesterol-decomposing activity of Achromobacter candicans 42.
- To characterize the impact of different cell preparations and storage conditions on this activity.
- To identify intermediate products of cholesterol metabolism.
Summary:
- Wet biomass of Achromobacter candicans 42 demonstrated significant cholesterol decomposition (72.5% in 4 hours).
- Lyophilized and acetone-treated cells showed reduced activity (49.8% and 23.0%, respectively).
- Cell-free extracts decomposed 40.0% of cholesterol, identifying delta4-cholesten-3-one as an intermediate.
Impact:
- Provides insights into microbial cholesterol degradation pathways.
- Highlights the stability and activity of Achromobacter candicans 42 for biotechnological applications.
- Identifies a key intermediate product, aiding further metabolic studies.