Streptococcus mutans Medium - BioReagent

Cat. No.: S1528701

등급 & 순도 BioReagent

Storage

Room temperature

Shipped In

Normal

개요

For the cultivation of Streptococcus mutans

사양

사양 및 순도

BioReagent

보관 조건

Room temperature

배송

Normal

등급

BioReagent

Product Line

생물 제품

Application Protocols

No item-specific, validated protocols are provided in the Product Data. The following is a general, literature-based example workflow; adapt to your SOPs and the CoA/Spec Sheet.

A. Preparation of broth

1. Weigh the recommended grams of medium per liter (Not specified for this item).
2. Add to deionized/distilled water with stirring; heat gently until fully dissolved.
3. Adjust pH if required (target not specified for this item); bring to final volume.
4. Dispense into suitable vessels; sterilize by autoclaving (e.g., 121 °C, 15 min; literature). Cool to room temperature before use or refrigeration.

B. Preparation of agar plates (if agar-containing)

1. Dissolve as above; sterilize by autoclaving.
2. Cool to ~45–50 °C; aseptically add heat-labile supplements if needed.
3. Pour into sterile plates; allow to solidify. Dry plates to remove surface moisture before inoculation.

C. Culturing S. mutans (example)

1. Inoculate broth or streak plate from a reference culture.
2. Incubate at 35–37 °C under 5% CO2 or microaerophilic/anaerobic conditions (literature), 18–48 h depending on endpoint.
3. For biofilm assays, inoculate onto conditioned surfaces in multiwell plates; quantify biomass (e.g., CV stain) and pH shift as needed.

Exact concentrations, supplements, and pH targets are Not specified for this item; consult the CoA/Spec Sheet.

Biological Roles

This product functions as a nutrient and environmental matrix to support the in vitro growth of Streptococcus mutans for research use only.

Context (literature):

• S. mutans is a Gram-positive, facultatively anaerobic streptococcus noted for strong carbohydrate fermentation, acidogenicity, and aciduricity. It synthesizes extracellular glucans from sucrose via glucosyltransferases, promoting adherence and biofilm development on abiotic and biotic surfaces in vitro.
• Media composition critically shapes phenotypes: carbohydrate type and concentration modulate acid production and EPS architecture; buffering systems influence pH dynamics; mineral content and nitrogen sources affect growth rate and enzyme expression.
• Selective media variants can suppress non-target oral bacteria, aiding isolation from mixed communities. Non-selective rich media support robust biomass for biochemical assays, enzyme prep, and genetic manipulation.

How to use this role effectively (general guidance):

• Choose incubation atmosphere (5% CO2, microaerophilic, or anaerobic jars) aligned with the experimental endpoint.
• Standardize pre-cultures (e.g., overnight culture to mid-exponential subculture) to minimize carryover effects of stationary-phase metabolism.
• When comparing phenotypes across experiments, control the medium batch, carbohydrate source/purity, and pH pre/post-sterilization, as these variables significantly alter S. mutans behavior. Item-specific formulation and performance parameters are Not specified; refer to CoA/Spec Sheet.

Buffer Applications

This product is a complete culture medium rather than a standalone buffer. While it likely contains buffering components to stabilize pH during bacterial growth, the exact system and capacity are Not specified for this item; refer to CoA/Spec Sheet.

General guidance (literature):

• S. mutans grows well near neutral pH but remains active under acidic conditions; many studies maintain initial pH around 6.5–7.4. For acidogenicity assays, researchers often monitor pH drift over time and may re-buffer or supplement between passages.
• If your experimental design requires tight pH control, consider pairing the medium with defined buffer systems (e.g., phosphate or MOPS) at appropriate ionic strengths, added post-sterilization if heat-labile. Validate that added buffers do not inhibit growth or alter endpoints.
• For electrophysiology or enzyme assays separate from culture, use dedicated biochemical buffers; culture media are compositionally complex and can confound interpretations of pH-dependent kinetics.

Practical notes:

• Measure and document the pH of the prepared medium before and after sterilization (pH can shift upon autoclaving). If a target pH is required, adjust under aseptic conditions with sterile acid/base solutions after sterilization and cooling.
• Buffer composition, pKa values, and exact pH targets for this specific item are not provided; consult CoA/Spec Sheet and validate in-house.

Green Alternatives

While culture media are not readily substitutable by “green” chemicals, laboratory choices can significantly reduce environmental impact without compromising data quality.

• Dehydrated media vs. ready-to-use: Dehydrated formats (as commonly supplied; specific format for this item is Not specified) lower shipping weight/volume and packaging. Ready-to-use plates/broths increase convenience but add plastic and cold-chain impacts.
• Water and energy: Batch-prepare media efficiently—fill autoclaves to optimal load, avoid over-sterilization, and use insulated cooling to reduce energy. Monitor water use in glassware washing; choose eco-modes where validated.
• Reusable materials: Prefer reusable glass flasks, media bottles, and stainless spreaders over single-use plastics when biosafety permits. Implement validated cleaning/sterilization SOPs to maintain performance.
• Waste minimization: Prepare only the volume required for the experimental window. Use smaller plate formats or multiwell plates for screening to reduce agar and plastic consumption.
• Chemical hazards: If selective supplements are used (not specified for this item), evaluate less hazardous alternatives or lower effective concentrations supported by performance data.

Comparison highlights (general):

• Dehydrated medium + in-house sterilization: lower packaging and transport impact; requires energy for autoclaving and user QA.
• Pre-poured plates: maximal convenience; higher plastic waste and typically shorter shelf life; less user-side variability but increased packaging footprint.

Pharmaceutical Uses

No therapeutic or clinical uses are claimed or implied. For research use only.

Relevant laboratory roles in pharmaceutical and oral-care R&D/QC (general, literature):

• Microbiological quality control: cultivation and enumeration of S. mutans as a test organism for disinfectant efficacy studies, preservative challenge tests, and environmental monitoring models where applicable.
• Antimicrobial screening: broth/agar dilution MIC/MBC assays for investigational compounds, formulation components, and oral-care actives under controlled growth conditions.
• Biofilm modeling: in vitro biofilm formation on coupons or dental-material surrogates to evaluate anti-biofilm strategies, material compatibility, and cleaning protocols.
• Stability/compatibility studies: assessing whether excipients, flavors, sweeteners, or other formulation constituents inhibit or promote S. mutans growth under defined conditions.

Regulatory and standards notes:

• If used in cGMP/QC environments, select and document the medium per pharmacopeial or internal SOP requirements. This item’s pharmacopeial status and compendial compliance are Not specified; refer to CoA/Spec Sheet.
• Perform growth-promotion testing with reference strains per applicable guidance documents (e.g., USP/EP/JP concepts) adapted to S. mutans models.

Traceability and documentation:

• Record lot numbers, preparation records (grams per liter, pH, sterilization cycle), and any supplements added to ensure reproducibility and audit readiness.

Physical Properties

Item-specific physicochemical constants are not defined for complex media. Where values are absent below, consult the CoA/Spec Sheet.

• Appearance (as supplied): Not specified for this item; refer to CoA/Spec Sheet.
• Solubility: Complex media are typically freely soluble in water when used at the recommended g/L loading (literature). Exact concentration for this item: Not specified; refer to CoA/Spec Sheet.
• pH of prepared medium: Not specified for this item; refer to CoA/Spec Sheet. Typical S. mutans media are adjusted near neutral pH (≈6.5–7.4, literature) prior to sterilization; selective formulations may target slightly acidic conditions depending on the application.
• Density, refractive index, BP/MP, logP, pKa: Not applicable/Not specified for complex mixtures; refer to CoA/Spec Sheet.

Practical notes (general, literature):

• Reconstitution is usually in deionized or distilled water with heating to aid dissolution (avoid scorching). The final volume and grams per liter are set by the specific formulation; do not substitute without documentation.
• If agar is included, complete dissolution typically requires bringing to a boil while stirring, followed by sterilization by autoclaving. After sterilization, media are often cooled to approximately 45–50 °C for pouring plates to minimize condensation and avoid heat degradation of any added supplements.
• Osmolality and buffering capacity depend on formulation and will influence S. mutans growth rates and acidogenic behavior; these are formulation-specific and not provided for this item.

Quality and Grades

• Grade/Purity (from Product Data): BioReagent. This denotes suitability for general laboratory and life-science research use. It does not imply suitability for clinical diagnostics, therapeutic use, or GMP manufacturing unless explicitly stated.

What BioReagent grade typically implies (general, literature):

• Raw materials and manufacturing controls support consistent research performance. However, exact composition, contaminant thresholds (metals, bioburden, endotoxin), and performance specifications are formulation- and lot-specific.
• Growth-promotion testing (GPT) is often recommended for user qualification with target organisms (e.g., S. mutans) under your lab’s conditions. Item-specific GPT data: Not specified for this item; refer to CoA/Spec Sheet.
• Sterility: Dehydrated media are non-sterile and must be sterilized after reconstitution unless supplied otherwise. This item’s sterility status before/after preparation: Not specified; refer to CoA/Spec Sheet.

What is not specified for this item (consult CoA/Spec Sheet):

• Exact formulation (g/L of each component), pH target (at 25 °C), selectivity agents (if any), clarity, gel strength (for agar), recommended loading, and performance acceptance criteria.

User recommendations:

• Record lot numbers and retain CoA/SDS.
• Perform incoming qualification: visual appearance, dissolution behavior, pH of prepared medium, and growth-promotion with a reference S. mutans strain.
• Maintain consistent water quality (e.g., ASTM Type II or better) and sterilization cycles to minimize lot-to-lot performance variability.

Reaction and Applications

This product is not a chemical reagent for synthetic organic/inorganic transformations; it is a culture medium intended for microbiological research.

Research applications (general, literature for S. mutans):

• Cultivation, maintenance, and enumeration of Streptococcus mutans from lab strains or mixed oral microbiota.
• Biofilm studies: evaluating sucrose-dependent biofilm formation via glucan synthesis; quantifying biomass, EPS, and acidogenesis under defined carbohydrate loads.
• Acid tolerance/acidogenicity assays: monitoring pH drop, lactic acid production, and growth under low pH stress.
• Genetic studies: transformation/selection of S. mutans mutants (medium-dependent; composition dictates antibiotic/additive compatibility—Not specified for this item).
• Antimicrobial and disinfectant screening: MIC/MBC determination, time–kill studies, and surface efficacy testing using S. mutans as a test organism in a defined growth matrix.

Good practices:

• Standardize inoculum (e.g., McFarland standards, literature) and incubation conditions (35–37 °C; 5% CO2 or microaerophilic/anaerobic, depending on protocol) to ensure reproducibility.
• Validate with a reference strain (e.g., ATCC S. mutans strains—selection not specified here) and perform growth-promotion testing for each lot.
• Carefully log reconstitution parameters (water type, grams per liter, pH before/after sterilization) and sterilization program, as these strongly influence growth characteristics.

Reaction Conditions

This section is interpreted as microbiological culture conditions rather than chemical reaction conditions, given the product type.

General culture conditions for S. mutans (literature guidance; item-specific details Not specified):

• Temperature: 35–37 °C.
• Atmosphere: Facultatively anaerobic—growth under ambient air with 5% CO2, microaerophilic, or anaerobic jars; choose based on experimental endpoints.
• Inoculum: Standardize using OD600 or McFarland standards; pre-culture to exponential phase for kinetic assays.
• Incubation time: 18–48 h for colony formation on agar; 8–24 h for broth to reach mid/late exponential, depending on formulation and load.
• Supplements: Carbohydrates (e.g., sucrose, glucose) or selective agents may be added post-sterilization if applicable; composition for this item is Not specified.
• pH: Start near neutral; monitor drop during growth for acidogenic strains. Adjust under aseptic conditions if a fixed pH is required.

Quality checks:

• Growth-promotion testing with a reference S. mutans strain each time a new lot is introduced.
• Record water quality, g/L used, pre/post-sterilization pH, and autoclave parameters, as these strongly affect growth outcomes.

Always verify and adapt to your SOPs and biosafety requirements. For composition-specific parameters (e.g., exact g/L, target pH), refer to the CoA/Spec Sheet.

Safety and Handling

Hazard information in Product Data is not specified. Always consult the SDS for authoritative safety guidance for your specific lot.

• GHS classification, signal word, pictograms, H-statements: Not specified for this item; refer to SDS.
• General hazards (literature): Dehydrated culture media may cause respiratory/eye irritation as dust; handle in a well-ventilated area and avoid aerosolization. Not inherently sterile—microbiological contamination is possible after opening.
• PPE (best practice): Laboratory coat, safety glasses or face shield when splashing risk exists, and appropriate gloves (e.g., nitrile). Use dust mask/respirator if airborne particulates are generated and local risk assessment warrants it.
• Incompatibilities: Store away from strong oxidizers, moisture, and acids/bases that could degrade components. Keep container tightly closed with desiccant.
• Biohazard note: Once inoculated, media and associated disposables must be treated as biohazardous. Decontaminate by autoclaving (e.g., 121 °C, ≥15 min; literature) or using validated chemical disinfectants prior to disposal per institutional biosafety procedures.
• First aid (overview): If inhaled—move to fresh air; if on skin—wash with soap and water; if in eyes—rinse cautiously with water for several minutes; if ingested—rinse mouth and seek medical advice. Provide SDS to medical personnel. This summary is non-exhaustive—defer to SDS and institutional EHS guidance.

Solvent Selection

As a dehydrated microbiological medium, the relevant “solvent” is the reconstitution water.

• Primary solvent: Sterile, deionized/distilled water (literature best practice). Water quality affects clarity, precipitation risk, and organism performance. Avoid high TOC, residual chlorine, heavy metals, and chelators.
• Ionic strength and buffering: Determined by the formulation; both influence S. mutans growth, acid tolerance, and biofilm formation. Item-specific details: Not specified; refer to CoA/Spec Sheet.
• Additives/supplements: Some S. mutans protocols add carbohydrates (e.g., sucrose) or selective inhibitors post-sterilization. Whether this item requires or already contains such components is Not specified; consult CoA/Spec Sheet.

Selection guidance (general, literature):

• Choose freshly prepared, sterile water. For agar plates, ensure media are cooled to ~45–50 °C before adding heat-labile supplements and pouring.
• If comparing with alternative media, consider: buffering capacity near neutral pH; presence of fermentable sugars for acidogenic assays; and any selective agents to suppress background flora.

Comparison (general):

• Dehydrated medium + your water: maximal control over water quality and sterilization; requires autoclaving facilities.
• Ready-to-use bottled broth/plates: convenience and batch-certified performance; increased cost and packaging waste. For this item, supply form beyond “dehydrated medium” is Not specified; refer to CoA/Spec Sheet.

Storage and Reconstitution

• Storage conditions (from Product Data): Room temperature. Keep container tightly closed. Protect from humidity and environmental contamination. Shipped under normal conditions.

Reconstitution (item-specific details Not specified; follow CoA/Spec Sheet):

• Water: Use sterile, deionized/distilled water. Document water quality (resistivity, TOC) for reproducibility.
• Concentration: Grams per liter for this item are Not specified; refer to CoA/Spec Sheet.
• Dissolution: Add powder to water with stirring; heat as needed to fully dissolve. Avoid localized overheating.
• Sterilization: Autoclave using a validated cycle (e.g., 121 °C for ≥15 min; literature). Allow to cool before adding heat-labile components.
• pH: Measure pre- and post-sterilization; adjust aseptically to your target if required. Target pH for this item is Not specified.
• Agar plates: If applicable, cool sterilized medium to ~45–50 °C before pouring. Dry plates prior to storage/use to limit surface condensation.

Post-preparation storage (general, literature):

• Broth: Store at 2–8 °C, protected from light; use within days to weeks depending on sterility and composition.
• Plates: Store inverted at 2–8 °C in sealed sleeves; typical usability 2–4 weeks, but verify performance prior to critical assays.
• Avoid repeated warming/cooling cycles. Label with lot, prep date, g/L, pH, sterilization cycle, and any supplements added.

For any unspecified parameters, refer to the CoA/Spec Sheet and your institutional SOPs.

Structure and Identity

This product is a formulated microbiological growth medium tailored for the cultivation of Streptococcus mutans. It is a complex mixture rather than a single defined chemical entity.

• SKU: S1528701; Product Name: Streptococcus mutans Medium; Grade: BioReagent (from Product Data)
• CAS: Not specified for this item; refer to CoA/Spec Sheet.
• Molecular formula: Not specified for this item; refer to CoA/Spec Sheet.
• Molecular weight: Not specified for this item; refer to CoA/Spec Sheet.
• SMILES / InChI / InChIKey: Not applicable to complex mixtures; Not specified for this item; refer to CoA/Spec Sheet.

Structural features (general, literature):

• Typical S. mutans media are complex, containing carbon/energy sources (e.g., carbohydrates), nitrogen sources (peptones/yeast extract), mineral salts, buffering components, and—when selective—agents that suppress non-target oral flora. The exact composition of this item is not provided; consult the CoA/Spec Sheet.
• As a dehydrated preparation (typical for microbiological media, literature), the product would be reconstituted in purified water and sterilized prior to use. The final 2D “structure” is not defined; rather, it is a multicomponent solution or agar matrix after preparation.

Identity confirmation (general guidance):

• Verify lot identity via label, lot/batch number, and any manufacturer quality statements on growth promotion suitability for S. mutans, if provided. Perform user-side growth-promotion testing with a reference S. mutans strain to confirm performance (literature best practice).

Synthetic Utility

Not applicable. This product is a microbiological growth medium and is not intended for use as a reagent in synthetic organic or inorganic chemistry.

For users seeking chemical transformation reagents:

• Refer instead to solvent, catalyst, and reagent sections of the catalog. Culture media components can interfere with many chemical reactions and are not recommended for synthesis workflows.

Target Specificity

This section typically applies to antibodies or affinity reagents. As a culture medium, the product does not possess molecular target specificity in the immunochemical sense.

• Intended organismal focus: Streptococcus mutans cultivation (research use only).
• Antigen/epitope, species reactivity, clone/isotype: Not applicable.