K12ΔH1Δtrp
Name | K12ΔH1Δtrp |
Synonyms | K12deltaH1deltatrp |
Genotype | lacZam Δ(bio-uvrB) Δ(trpE-A)2 rpsL Δ(Nam7Nam53 cI857 ΔH1) |
Phenotype | streptomycin resistant |
Sources | LMBP 69 |
References | PMID:372049 PMID:6271633 |
Notes
Expression host for plasmids containing phage lambda's PL or PR promoter. Induction is obtained by shifting the culture from 28°C to 42°C. The resident lambda is a defective lysogen. ΔH1 removes part of cro and all genes to the right of it. cI857 is ind-.