Culture Types Of Agar Plates

You can buy nutrient agar powder and sterile petri dishes and prepare nutrient agar plates by yourself.

Culture types of agar plates.

But it takes time and kind of messy and sometimes you can screw up your project. The orange lines and dots are formed by bacterial colonies. A growth medium or culture medium is a solid liquid or semi solid designed to support the growth of a population of microorganisms or cells via the process of cell proliferation 1 or. β hemolytic activity will show lysis and complete digestion of red blood cell contents surrounding a colony.

Microbial growth media contains nutrients and an energy source to fuel the microbes as they grow and agar to keep the media in a semi solid gel like state. Agar plates come with many different types of media or nutrients depending on the microorganism you want to culture. Blood agar plates baps contain mammalian blood usually sheep or horse typically at a concentration of 5 10. Nine obviously different colonies are numbered.

Some colony types recur in various areas of the plate note 3 and 4. Agar plates are the standard solid support material for growing microorganisms. Store nutrient agar plates in refrigerator. In the above picture of a mixed culture an agar plate that has been exposed to the air and many different colony morphologies can be identified.

We have premade or called pre prepared nutrient agar plates made with sterile petri dishes at very affordable. Starting with sterilized agar plates. Blood agar plates blood agar plates bap are made by adding five to ten percent sheep or horse blood to the nutrient medium. Specifically it is a streak plate.

Baps are enriched differential media used to isolate fastidious organisms and detect hemolytic activity. An agar plate an example of a bacterial growth medium. On solid media a single microbe will grow and divide to produce a colony a spot of identical descendants.