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Requirements for transformation by R-factor DNA

Range	Table - link Transformants/μgDNA
Organism	Bacteria Escherichia coli
Reference	Cohen SN, Chang AC, Hsu L. Nonchromosomal antibiotic resistance in bacteria: genetic transformation of Escherichia coli by R-factor DNA. Proc Natl Acad Sci U S A. 1972 Aug69(8):2110-4. p.2112 table 1PubMed ID4559594
Method	See note beneath table
Comments	"No colonies were observed when 10^9 bacteria were assayed in the absence of DNA."
Entered by	Uri M
ID	110135