Minimal medium
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Minimal medium (also referred to as minimal media) refers to the substance used by microbiologists and geneticists to grow wild type bacteria on. Minimal medium can also be used to select for or against recombinants and/or exconjugants. Simply put, minimal medium is food for bacteria that contains the barest essentials possible for colony growth; it could easily be compared to a diet of bread and water for humans.
Minimal medium contains: 1) glucose as a carbon source for bacterial growth 2) water 3) various salts, which may vary among bacteria species and growing conditions. It is important to note that minimal medium contains no amino acids.
This is in stark contrast to complete medium and closely related to supplementary minimal medium.
Other bacterial growth media commonly used: complete medium, supplementary minimal medium, indicator medium, selective medium.
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