Appearance of double mutants in aged cultures of Salmonella typhimurium cysteine-requiring strains.
1968
D Gillespie, and
M Demerec, and
H Itikawa
UI
MeSH Term
Description
Entries
D009154
Mutation
Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.
Mutations
D003470
Culture Media
Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN.
Media, Culture
D003545
Cysteine
A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.
The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.
Senescence,Aging, Biological,Biological Aging
D012486
Salmonella typhimurium
A serotype of Salmonella enterica that is a frequent agent of Salmonella gastroenteritis in humans. It also causes PARATYPHOID FEVER.
Salmonella typhimurium LT2
D014161
Transduction, Genetic
The transfer of bacterial DNA by phages from an infected bacterium to another bacterium. This also refers to the transfer of genes into eukaryotic cells by viruses. This naturally occurring process is routinely employed as a GENE TRANSFER TECHNIQUE.