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Bacterial Culture Media

Our bacterial agar plates are designed to support reliable microbial growth, isolation, and analysis across research, quality control, and microbiology workflows. We offer a wide range of ready-to-use, pre-poured agar plates, including nutrient-rich, selective, differential, and defined formulations suitable for a broad range of bacterial species and applications.
Bacterial Culture Media
What are bacterial agar plates?

Bacterial agar plates are solid culture media used to grow and isolate bacterial colonies. These plates contain agar as a solidifying agent, along with nutrients such as carbon sources, nitrogen sources, salts, and growth factors that support microbial growth.

 

Agar plates are essential in microbiology workflows for colony isolation, morphological analysis, and colony counting in academic and industrial settings, including research, bioprocessing, environmental monitoring, and more. By providing a solid surface, bacterial agar plates allow individual colonies to form, enabling researchers to study growth characteristics and identify organisms.

 

 

 

Types of bacterial agar plates

 

 

There are several types of bacterial agar plates, and selecting the appropriate agar plate is critical for achieving accurate isolation and reliable experimental outcomes.

General-purpose plates

Nutrient-rich formulations, such as LB Agar and Tryptic Soy Agar (TSA), are used for routine cultivation of non-fastidious bacteria.

Selective plates

Media that inhibit unwanted organisms while allowing target bacteria to grow, such as MacConkey Agar or antibiotic-containing agar.

Differential plates

Differential formulations contain indicators that distinguish bacteria based on metabolic activity (e.g., Mannitol Salt Agar).

Specialized plates

Specialty plates are optimized for specific organisms or applications, such as Reinforced Clostridial Agar or Pseudomonas Agar.

Applications of bacterial agar plates

Bacterial agar plates are used across a wide range of laboratory and industrial workflows. These applications rely on consistent, high-quality agar media to ensure reproducible growth and accurate downstream analysis.

Microbial isolation and colony purification

General-purpose Tryptic Soy and Nutrient Agar plates, alongside selective media like MacConkey, Mannitol Salt, XLD, and Pseudomonas Isolation Agar, separate mixed populations into discrete colonies for downstream identification.

Cloning and recombinant DNA workflows

LB, 2xYT, and SOB/SOC agar plates anchor every step of bacterial cloning, from transformation recovery through single-colony picking.

Antibiotic selection and screening assays

Pre-poured LB plates with ampicillin, kanamycin, carbenicillin, or chloramphenicol simplify transformant selection, and Mueller Hinton II Agar supports standardized antimicrobial susceptibility testing by disk diffusion or dilution.

Environmental monitoring and microbial detection

Tryptic Soy Settle Plates capture airborne contamination, TSA with Lecithin and Tween-80 supports surface sampling after cleaning, and R2A and M Endo LES plates enable drinking water and coliform testing.

Quality control testing in the pharmaceutical and food industries

Standard Methods Agar for compendial plate counts, plus Tryptic Soy, Brain Heart Infusion, XLD, and Salmonella-Shigella plates, give QC labs reproducible media for routine enumeration and pathogen testing.

Why choose Teknova’s bacterial agar plates?

Our bacterial agar plates are supplied as sterile, ready-to-use, pre-poured plates, eliminating in-house media preparation and reducing variability across workflows. Each formulation is manufactured to precise specifications to ensure consistent nutrient composition and reliable bacterial growth.


Our catalog includes a wide range of agar plate types designed to integrate seamlessly into routine laboratory operations, from small-scale research to regulated quality control environments. All products are manufactured under rigorous quality control standards to ensure sterility, performance, and lot-to-lot consistency. Teknova also supports custom bacterial agar plates, including modified formulations (e.g., animal-free soytone), antibiotic supplementation, and alternative plate formats to meet specialized research or manufacturing requirements.

Explore related products

All our products are fully customizable, from formulation to format to fill volume. Our experts can help find the ideal solution for your application and efficiently manufacture your custom product.

Frequently asked questions

You can find answers here for our most commonly asked questions. If you don't find the information you are looking for, get in touch with our team. We're here to help.

Bacterial agar plates are used to grow, isolate, and analyze bacterial colonies in microbiology, research, quality control, environmental monitoring, and other academic or industrial applications.

Agar plates are solid media used to isolate and observe colonies, while broth is a liquid medium used for growing bacteria in suspension.

Different agar plates support different bacterial species depending on their formulation, including general-purpose, selective, and differential media.

Yes. We offer an extensive selection of off-the-shelf bacterial agar plates that are supplied pre-poured and ready for immediate use.

Yes. We support custom agar plate formulations, antibiotic combinations, and specialized formats to meet specific experimental needs. You can get a custom solution manufactured to your exact specifications with industry-leading turnaround times, tailoring any part of your product, from formulation to fill volume to documentation and labeling. Learn more about our custom process.

Find out what’s possible

 

Talk to our consultants today to discover custom solutions that can help you achieve your goals.

 

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