Louis Pasteur prepared the first liquid bacterial culture medium in 1860, containing yeast, sugar, ashes, and ammonium salt. 2 While developing this, he observed that specific chemical features of the ...

This medium is both selective and differential. The selective ingredients are the bile salts and the dye, crystal violet which inhibit the growth of Gram-positive bacteria. The differential ingredient ...

But it was the adaptation of the agar used in a dessert made by one of the members of Koch's laboratory to make a solid growth medium that ushered in an era in which bacteria could be studied in ...

Growth media, which can be either solid or liquid, provides the surface where micro-organisms grow. This surface can be composed of specific substances and have complex molecules such as vitamins ...

A technique for integrating plant growth-promoting bacteria and agrochemicals for agricultural applications has been ...