BD 231709 - BYCE Selective Agar Specialized Medium for Isolation of Legionella Species

BD 231709 - BYCE Selective Agar Specialized Medium for Isolation of Legionella Species

The BD 297879 BYCE Selective Agar (Buffered Yeast Charcoal Extract Selective Agar) is a high-performance culture medium formulated for the selective isolation of Legionella species from clinical, environmental, and industrial samples. This medium contains essential nutrients, activated charcoal, and growth supplements that support the recovery of Legionella while incorporating selective agents that suppress competing flora. Designed for accuracy and consistency, BYCE Selective Agar is widely used in clinical microbiology, environmental monitoring, and public health surveillance.

Key Benefits

BD BYCE Selective Agar provides the ideal environment for Legionella growth by supplying L-cysteine, iron salts, and activated charcoal, which neutralize toxic compounds and enhance recovery. The selective antibiotics incorporated into the medium inhibit non-target organisms, increasing isolation specificity. Its high clarity and well-balanced formulation ensure clear colony visibility and reliable identification. BDs rigorously controlled manufacturing ensures batch-to-batch consistency for dependable laboratory results.

Compatibility and Applications

This medium is optimized for the cultivation and isolation of:

• Legionella pneumophila
• Other Legionella species from environmental or clinical specimens

Common applications include:

• Clinical diagnosis of Legionnaires disease
• Environmental water system monitoring (cooling towers, fountains, hospital water systems)
• Industrial hygiene and public health surveillance
• Research studies involving Legionella ecology and virulence

Usage Guidelines

Inoculate the BD 297879 BYCE Selective Agar plate with the prepared specimen using aseptic technique. Incubate plates at 3537C in a humidified atmosphere enriched with 2.55% CO₂. Legionella colonies typically appear after 4872 hours, though extended incubation up to 7 days may be necessary for slow-growing strains. Examine plates for characteristic colony morphology and confirm isolates using additional serological or biochemical methods. Store plates at recommended temperatures and avoid exposure to excessive light.

Certifications, Safety Standards, and Regulatory Approvals

BD 297879 BYCE Selective Agar is produced under ISO 9001 and ISO 13485 certified manufacturing processes and meets FDA and CE requirements for in vitro diagnostic (IVD) culture media. Each lot is tested for sterility, pH accuracy, selective performance, and growth support using validated Legionella control strains to ensure consistent, high-quality results.

Comparison with Competitor Products

BD BYCE Selective Agar stands out due to its stable formulation, excellent selective balance, and superior recovery of fastidious Legionella organisms. Competitor formulations may offer weaker suppression of background flora or insufficient nutrient support, resulting in lower recovery rates. BDs stringent quality control ensures predictable performance and improved clarity for easier colony recognition.

Typical User Profile and Application Scenarios

BD 297879 is widely used by:

• Clinical microbiologists diagnosing respiratory infections
• Environmental and industrial water-quality laboratories
• Public health agencies conducting outbreak investigations
• Researchers studying Legionella pathogenesis or environmental persistence

Best Practices for Use and Maintenance

Store agar plates under refrigeration and avoid freezing. Allow plates to reach room temperature before inoculation. Use proper biosafety level 2 precautions when handling potentially pathogenic Legionella samples. Confirm identity using additional diagnostic tests such as DFA staining, PCR, or serology. Dispose of all contaminated materials as biohazard waste according to institutional protocols.

Regulatory and Safety Information

This product is intended for in vitro diagnostic use by trained laboratory personnel. Legionella spp. are potential respiratory pathogens; therefore, PPE such as gloves, lab coat, and eye protection should be used. Follow all biosafety and waste disposal guidelines required for handling infectious agents.

How to Order

To order BD 297879 BYCE Selective Agar, add the item to your cart and proceed through CIA Medicals secure checkout process. For bulk orders, lab supply agreements, or technical questions, contact CIA Medical customer service at (312) 275-5850 or use the inquiry form on this page. Our team is available to assist with availability, pricing, and documentation.