Biomaterial Database

Isolation and mapping of a uracil-sensitive mutant of Salmonella typhimurium. 1982

L B Bussey, and J L Ingraham

A uracil-sensitive mutant of Salmonella typhimurium was isolated by diethyl sulfate mutagenesis and penicillin counterselection. This mutation identifies a new Salmonella gene that is well separated from the structural genes for arginine and pyrimidine biosynthesis. The use-1 mutation was located between the ilv gene cluster (isoleucine-valine operon) and hisR (structural gene for histidine tRNA) at 83 map units.

UI	MeSH Term	Description	Entries
D009153	Mutagens	Chemical agents that increase the rate of genetic mutation by interfering with the function of nucleic acids. A clastogen is a specific mutagen that causes breaks in chromosomes.	Clastogen,Clastogens,Genotoxin,Genotoxins,Mutagen
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
D003433	Crosses, Genetic	Deliberate breeding of two different individuals that results in offspring that carry part of the genetic material of each parent. The parent organisms must be genetically compatible and may be from different varieties or closely related species.	Cross, Genetic,Genetic Cross,Genetic Crosses
D005796	Genes	A category of nucleic acid sequences that function as units of heredity and which code for the basic instructions for the development, reproduction, and maintenance of organisms.	Cistron,Gene,Genetic Materials,Cistrons,Genetic Material,Material, Genetic,Materials, Genetic
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
D013463	Sulfuric Acid Esters	Organic esters of sulfuric acid.	Sulfates, Organic,Thiosulfuric Acid Esters,Organic Sulfates,Esters, Sulfuric Acid,Esters, Thiosulfuric Acid
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.	Genetic Transduction,Genetic Transductions,Transductions, Genetic
D014498	Uracil	One of four nucleotide bases in the nucleic acid RNA.

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