Erysipelothrix rhusiopathiae Vaccine Medium - BioReagent

Cat. No.: E1528575

GRADE & PURITY BioReagent

Storage

Room temperature

Shipped In

Normal

Visão geral

For the production of inactivated and live swine erysipelas vaccines.

Specifications

Especificações e pureza

BioReagent

Condições de armazenamento de armazenamento

Room temperature

Enviado em

Normal

Grau

BioReagent

Product Line

Produtos biológicos

Application Protocols

No tested antibody/imaging protocols apply. The following is general medium preparation guidance for research use only. Follow the lot-specific CoA if provided.

General preparation (literature, not item specification):

1. Calculate required mass from the specified concentration (g/L) in the CoA (value not specified here).
2. Add ~90% of the final volume of Type I/II water to a suitable vessel with stirring.
3. Gradually sprinkle the medium powder into the vortex to avoid clumping. Rinse packaging to recover fines.
4. Mix until fully dissolved. Adjust volume with water.
5. If autoclaving: Dispense into heat-resistant containers, loosely cap, and sterilize using a validated cycle. Allow to cool; tighten caps.
6. If sterile-filtering: Pass through a 0.22 µm membrane into sterile vessels under aseptic conditions.
7. Add any heat-labile supplements aseptically after cooling (<50 °C).
8. If directed, verify pH at 25 °C and adjust aseptically.
9. Store prepared medium as directed by your SOP (e.g., 2–8 °C for limited time; confirm with stability data from your lab).

Quality controls (recommended):

• Sterility check (uninoculated control), growth promotion testing with a reference strain, and documentation of lot/expiration for traceability.

Biological Roles

The product itself is not a biological macromolecule and has no intrinsic cellular role; it is a formulated nutrient environment designed to support growth of Erysipelothrix rhusiopathiae in research workflows.

Context (literature):

• Erysipelothrix rhusiopathiae is a Gram-positive, non-spore-forming bacterium. Growth is typically supported by enriched media containing peptides, amino acids, vitamins, and appropriate salts. Microaerophilic to facultatively anaerobic conditions may be tolerated depending on strain and methodology.
• Media optimized for this organism aim to promote robust biomass and consistent expression of cell-associated antigens relevant to immunochemical studies and assay development.

Use cases in the lab (research only):

• In vitro cultivation for antigen extraction, cell-wall component characterization, and serological reagent preparation.
• QC of strains: Viability and purity checks, growth curve determination, and assessment of nutritional requirements.

Important: No clinical, diagnostic, or therapeutic claims are made. All uses are restricted to research applications under appropriate biosafety controls.

Buffer Applications

This product is a complex culture medium rather than a defined buffering system. Conventional buffer formulation guidance (e.g., phosphate, Tris, HEPES ranges) does not directly apply.

• If pH control is required during cultivation, investigators typically employ bioreactor pH control loops (acid/base) or incorporate buffered water during preparation. Any built-in buffering capacity of the medium, its target pH, and ionic strength are Not specified for this item; refer to CoA/Spec Sheet.
• For downstream analytical assays, prepare separate, defined buffers tailored to the technique (e.g., phosphate-buffered saline for ELISA sample handling), independent of the growth medium.

Green Alternatives

Sustainability for culture media focuses on resource use, waste minimization, and energy consumption rather than solvent replacement.

Considerations and options (general guidance):

• Powdered media vs ready-to-use liquids: Powder reduces shipping weight and packaging, lowering transport emissions. Liquids save prep time but increase packaging and cold-chain demands (if required).
• Sterilization strategy: Autoclaving consumes energy; where composition allows, validated membrane filtration at ambient temperature can reduce energy use. Balance against biosecurity and compatibility.
• Water quality: Onsite production of purified water decreases plastic waste from bottled water supplies.
• Waste reduction: Prepare only the volume required; scale media prep to experiment size to minimize disposal of unused sterile media.
• Recyclable packaging: Segregate and recycle high-density polyethylene (HDPE) and corrugate where permitted.

Trade-offs:

• Complex, nutrient-rich media may use animal-derived components; if alignment with sustainability or regulatory needs is critical, consider plant-based or chemically defined alternatives (performance may differ and requires re-optimization).

Note: These are general sustainability practices. For this specific item’s composition (e.g., animal-free status), details are Not specified for this item; refer to CoA/Spec Sheet.

Pharmaceutical Uses

No therapeutic or clinical use is claimed. In a research/manufacturing development context, culture media like this may be used for non-clinical activities.

Research/manufacturing development roles (general):

• Upstream process development: Screening and optimization of culture conditions for Erysipelothrix rhusiopathiae in support of assay reagent production or exploratory antigen generation.
• Raw material characterization: Establishing critical material attributes (CMA) such as osmolality, pH after preparation, and bioburden (all item-specific values are Not specified for this item; refer to CoA/Spec Sheet).
• Platform fit: Evaluation of animal-free or defined alternatives when alignment with certain pharmacopeial or regulatory preferences is desired (requires performance verification).

Compliance note:

• For any work intended to transition beyond research, users must qualify the medium per internal quality systems and applicable guidelines. This catalog item is labeled For research use only.

Physical Properties

As a complex microbiological medium, discrete physicochemical constants used for single compounds are generally not applicable. Where relevant, values should be taken from the lot-specific CoA.

Item-specific values:

• Appearance: Not specified for this item; refer to CoA/Spec Sheet.
• pH (at stated preparation conditions): Not specified for this item; refer to CoA/Spec Sheet.
• Solubility: Designed for aqueous preparation; detailed solubility and clarity endpoints are CoA-dependent.
• Density, refractive index, melting point, boiling point, logP, pKa: Not applicable/not specified for complex mixtures; refer to CoA/Spec Sheet.

General literature/typical expectations for dehydrated culture media (not item specifications):

• Supplied commonly as a free-flowing powder or granules intended for dissolution in purified water to a defined concentration (e.g., grams per liter) followed by sterilization (autoclave or filtration), and adjustment to a target pH at 25 °C.
• Upon proper dissolution, solutions are typically clear to slightly opalescent depending on formulation components (e.g., peptone/yeast extract) and ionic strength.

Practical notes:

• Use Type I/II water to avoid precipitation and variability.
• Heat gently and stir to achieve complete dissolution before sterilization; avoid localized overheating that can caramelize carbohydrates.
• Filter-sterilize heat-labile supplements separately, if applicable (literature guidance).

Quality and Grades

• Grade: BioReagent

What BioReagent grade signifies (general):

• Intended for laboratory research use with controlled raw materials and manufacturing practices suitable for biological and biochemical workflows.
• Emphasis on lot-to-lot consistency, microbiological quality, and performance in culture applications rather than analytical purity metrics used for fine chemicals.

Item-specific notes:

• Purity metrics such as heavy metals, UV cutoff, endotoxin, bioburden, and component assay are Not specified for this item; refer to CoA/Spec Sheet.
• Storage condition as provided: Room temperature. Shipped under normal conditions.

Practical implications:

• Expect reliable performance for growth and propagation of Erysipelothrix rhusiopathiae when prepared according to the manufacturer’s instructions.
• For regulated work or stringent applications (e.g., vaccine process development studies), verify composition, microbial limits, and performance via the lot-specific CoA and internal QA testing.

Stabilizers/additives:

• Any stabilizers, selective agents, or antibiotics are Not specified for this item; refer to CoA/Spec Sheet. If present, they may affect sterilization strategy (e.g., filter-sterilize heat-labile components separately).

Reaction and Applications

Chemical reaction applications (e.g., synthesis, catalysis) do not apply to this product. Instead, its relevance is in microbiology and bioprocess research.

Research applications (general, literature-based):

• Cultivation of Erysipelothrix rhusiopathiae for antigen preparation, in vitro characterization, and method development. No clinical or therapeutic use is implied.
• Seed train development: From isolated colonies to shake flasks and bench bioreactors, optimizing inoculum density, aeration, and agitation to achieve reproducible growth.
• Process parameter screening: pH setpoint, temperature, and dissolved oxygen strategies; evaluation of supplementation regimes (e.g., carbon or amino acid feeds) for biomass/antigen productivity.
• Downstream compatibility: Formulations that clarify well upon centrifugation/filtration can facilitate subsequent protein or polysaccharide isolation steps.

Practical tips (literature):

• Aseptic technique is critical; pre-warm media if specified to reduce lag phase.
• Heat-labile additives (e.g., vitamins) should be sterile-filtered and added post-autoclave when solution cools to ≤50 °C.
• Validate sterility by incubation controls and bioburden testing where required.

For exact medium preparation, target pH, and supplementation instructions, consult the product’s CoA/Spec Sheet.

Reaction Conditions

Interpreted as culture/use conditions rather than chemical reaction parameters.

Item-specific parameters:

• Target pH, preparation concentration (g/L), and sterilization method are Not specified for this item; refer to CoA/Spec Sheet.

General literature guidance for cultivating Erysipelothrix rhusiopathiae (not product specifications):

• Temperature: Often grown at 30–37 °C depending on strain and experimental objectives.
• Atmosphere: Facultative; growth reported under aerobic conditions with reduced oxygen tension beneficial in some cases. Use sealed flasks or controlled bioreactors as appropriate.
• Inoculation: Start from a fresh, pure colony or validated seed culture. Typical inoculum 1–5% v/v for shake-flask scale (optimize empirically).
• Agitation/Aeration: Moderate shaking (150–220 rpm in baffled flasks) or controlled DO in bioreactors; avoid excessive shear.
• Sterilization: Autoclave medium according to validated cycle (e.g., 121 °C by time/pressure appropriate to volume), or sterile-filter where composition dictates. Add heat-labile components aseptically post-sterilization.
• Monitoring: Track OD600 or CFU counts, pH drift, and glucose/amino nitrogen where relevant. Use negative controls to confirm sterility.

These general parameters must be adapted and validated for your strain, medium lot, and equipment.

Safety and Handling

Follow institutional biosafety and chemical hygiene procedures when preparing and using microbiological media.

GHS/labeling (item-specific):

• Signal word: Not specified for this item; refer to SDS.
• Hazard statements (H-phrases): Not specified for this item; refer to SDS.
• GHS classification/pictograms: Not specified for this item; refer to SDS.

General safety guidance (literature/best practice):

• PPE: Wear lab coat, safety glasses, and appropriate gloves when handling powders and solutions. Use a dust mask or work in a fume hood/biological safety cabinet to minimize inhalation of particulates and aerosols during weighing and dispensing.
• Incompatibilities: Store away from strong oxidizers and moisture. Keep containers tightly closed to prevent caking and contamination.
• Microbiological risks: Once inoculated, cultures of Erysipelothrix rhusiopathiae must be handled at appropriate biosafety level per institutional risk assessment. Decontaminate surfaces and liquid/solid waste (e.g., autoclave at validated time/temperature) before disposal.
• First aid (overview): In case of contact, rinse with water. If inhaled, move to fresh air. If ingested, rinse mouth. Seek medical attention according to SDS/site policy.
• Fire: Most dehydrated media are combustible organic powders; avoid dust generation and ignition sources. Use water spray, CO2, foam, or dry chemical as appropriate (per SDS).

Always consult the product’s SDS for authoritative hazard, exposure limits, and emergency measures.

Solvent Selection

This product is a culture medium intended for aqueous preparation; organic solvent selection is not applicable.

• Primary solvent: Water (Type I/II). Use freshly produced, low-conductivity, low-TOC water to minimize precipitation and variability.
• Miscibility: Formulated to dissolve in water to a specified concentration (g/L). Organic co-solvents are generally not used, as they may inhibit bacterial growth.
• Practical guidance (literature):
  • Add powder gradually to room-temperature water with vigorous stirring to prevent clumping.
  • Heat gently if needed to aid dissolution, avoiding boiling that can degrade heat-sensitive components.
  • Adjust pH only if directed by the CoA/protocol; over-neutralization may cause precipitation of phosphates or divalent salts.

Comparison to alternatives (general):

• Defined vs complex media: Defined media offer precise component control but may reduce growth rate; complex media (like many vaccine media) enhance biomass and antigen yield through rich nutrients. Choose based on experimental goals.

Storage and Reconstitution

Item-specific instructions:

• Storage conditions (as provided): Room temperature.
• Shipped: Normal.
• Reconstitution/preparation parameters (e.g., g/L, target pH) are Not specified for this item; refer to CoA/Spec Sheet.

General guidance (literature/best practice):

• Keep container tightly sealed in a dry place to prevent moisture uptake and caking. Use desiccant where appropriate.
• Protect from direct sunlight and temperature extremes. Avoid humid cold rooms for dry storage.
• When preparing solutions, use freshly produced Type I/II water. Dissolve completely with stirring; avoid overheating.
• Sterilize by autoclaving using a validated cycle or sterile filtration, depending on heat stability of components. Add heat-labile supplements post-sterilization.
• Aliquot prepared medium to minimize repeated openings. Label with lot number, preparation date, and sterilization method.
• Typical shelf life of reconstituted media is limited; determine in-house based on sterility and performance checks. If refrigerated storage is used (commonly 2–8 °C for short-term), avoid freeze–thaw cycles that can precipitate components.

Research Use Only: This product is intended solely for research applications. Consult the CoA and SDS for authoritative preparation, storage, and safety details.

Structure and Identity

This product is a complex culture medium formulated for the cultivation of Erysipelothrix rhusiopathiae in research settings; it is not a single defined small molecule.

• SKU: E1528575
• Product name: Erysipelothrix rhusiopathiae Vaccine Medium
• Type: Complex microbiological growth medium (research use)

Item-specific identifiers (not applicable or not specified):

• Molecular formula: Not specified for this item; refer to CoA/Spec Sheet.
• Molecular weight (MW): Not specified for this item; refer to CoA/Spec Sheet.
• SMILES: Not applicable for complex mixtures.
• InChIKey: Not applicable for complex mixtures.
• CAS number: Not specified for this item; refer to CoA/Spec Sheet.
• PubChem CID: Not applicable.

Structural features (general):

• Complex media consist of a mixture of organic and inorganic nutrients (e.g., peptones, yeast extract, salts) rather than a single defined chemical structure. They provide carbon, nitrogen, vitamins, minerals, and growth factors required for bacterial propagation.
• For a 2D “structure,” the product is best described compositionally (ingredient list and concentrations), which is typically provided on the Certificate of Analysis or specification sheet. No stereochemistry or discrete ring systems apply because the material is a heterogeneous blend.

Note: For exact composition (defined vs complex, any selective agents, and final pH), consult the product’s CoA/Spec Sheet.

Synthetic Utility

Not applicable. This product is not a chemical building block or reagent for organic synthesis. It is a complex microbiological medium intended for cultivating Erysipelothrix rhusiopathiae in research workflows.

For synthetic chemistry needs, refer to dedicated reagents and solvents. For this product, see sections on Reaction & Applications (microbiological), Reaction Conditions (culture conditions), and Storage & Reconstitution.

Target Specificity

Not applicable. This listing is not an antibody or affinity reagent; there are no antigens, epitopes, or isotypes associated with this product.

• Intended organism supported: Erysipelothrix rhusiopathiae (research cultivation), per product name.
• Any selective agents or inhibitors present are Not specified for this item; refer to CoA/Spec Sheet.