What Are Auxotrophic Mutations?

What Are Auxotrophic Mutations? Auxotrophic mutants are a special case of conditional lethal mutants, in which the condition is presence or absence of a specific nutrient in the media. What are Auxotrophs give an example? For example, a yeast mutant with an inactivated uracil synthesis pathway gene is a uracil auxotroph (e.g., if the yeast

What Is The Bacterial Strain That Was Used By Ames To Develop The Test?

What Is The Bacterial Strain That Was Used By Ames To Develop The Test? Ames test devised by a scientist “Bruce Ames” is used to assess the potential carcinogenic effect of chemicals by using the bacterial strain Salmonella typhimurium. This strain is mutant for the biosynthesis of histidine amino acid. As a result they are