Overview
Serratia marcescens is a Gram-negative bacterium commonly found in various environments, including water, soil, and the human digestive tract. It is known for its distinctive red pigmentation, which is produced under specific conditions due to the pigment prodigiosin. This bacterium has been extensively studied in microbiology and biotechnology due to its unique properties and applications. Initially considered harmless, Serratia marcescens is now recognized as an opportunistic pathogen, particularly in healthcare settings. It can cause infections in immunocompromised individuals, including urinary tract infections, respiratory infections, and wound infections. Despite its pathogenic potential, it is also utilized in research and industrial applications.
Physical and Chemical Properties
Serratia marcescens is a rod-shaped bacterium with a Gram-negative cell wall structure. It is facultatively anaerobic, meaning it can grow with or without oxygen. The bacterium is motile due to the presence of flagella and can form biofilms, which contribute to its persistence in various environments. The red pigmentation of Serratia marcescens, caused by prodigiosin, is a notable chemical property. This pigment is produced under specific conditions, such as lower temperatures and certain nutrient availabilities. The pigment has been studied for its potential applications in biotechnology, including its antimicrobial and anticancer properties.
Main Applications
Serratia marcescens is widely used in biotechnology and research. Its ability to produce prodigiosin has led to investigations into its potential as a natural dye and its bioactive properties. The pigment has shown promise in antimicrobial and anticancer research, though further studies are needed. In industrial settings, Serratia marcescens is used for the production of enzymes such as chitinase and lipase, which have applications in waste treatment and bioremediation. Additionally, its role as a model organism in microbial ecology and pathogenesis studies makes it valuable for scientific research.
Safety and Storage
While Serratia marcescens is generally considered low-risk, it can pose health hazards in certain situations, particularly in healthcare settings. Proper handling and containment are essential to prevent infections, especially in immunocompromised individuals. Lab personnel should use appropriate personal protective equipment (PPE) and follow biosafety protocols. For storage, Serratia marcescens should be kept at 2-8°C in sterile conditions to maintain viability. Long-term storage often involves cryopreservation with glycerol or other cryoprotectants. Suppliers should provide detailed strain information and safety data sheets to ensure safe handling and usage.
B2B Procurement Guide
When procuring Serratia marcescens for B2B purposes, it is crucial to select reputable suppliers who provide certified strains and comprehensive documentation. Buyers should verify the strain's authenticity, purity, and any genetic modifications if applicable. Pricing varies depending on the strain type, quantity, and additional services such as strain characterization or custom modifications. Buyers should also consider the supplier's ability to meet regulatory requirements and provide technical support. Bulk purchases may offer cost advantages, but quality should never be compromised.
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