Timmis K, Winkler U
J Bacteriol. 1973 Jan;113(1):508-9. doi: 10.1128/jb.113.1.508-509.1973.
Reproducible yields of covalently closed circular (plasmid) deoxyribonucleic acid were obtained from mutants defective for extracellular nuclease but not from the corresponding wild-type strain of Serratia marcescens
从细胞外核酸酶缺陷型突变体中获得了共价闭合环状(质粒)脱氧核糖核酸的可重复产量,但从相应的粘质沙雷氏菌野生型菌株中未获得。