BACTERICIDAL ACTION OF HISTONE

Bactericidal Action of Histone

The arginine-rich fraction of calf thymus histone (histone B) exerts bactericidal activity on various coliform bacilli and micrococci under certain conditions in vitro. Final concentrations of less than 1 microg. histone per ml. kill susceptible microbes without detectable morphological alteration or lysis. Among the microorganisms highly susceptible to histone are Escherichia, Salmonella, Shig...

Bactericidal mode of action of plantaricin

Mechanism of bactericidal action of aminoglycosides.

[This corrects the article on p. 341 in vol. 51.].

Studies of the Bactericidal Action of Phagocytin

The bactericidal activity of phagocytin on Gram-negative enteric bacilli is influenced by the reaction of the medium; the more acid the environment, the more marked is the activity. Phagocytin exerts approximately the same action whether citrate, acetate, or phosphate salts are used as buffer, and the addition of glucose, casein hydrolysate, or cation binding agents does not produce notable cha...

The Selective Bactericidal Action of Gentian Violet

During the course of an experimental study of bacteriuria, specimens of urine thought to contain Bacillus prodigiosus which had been injected into the circulation became contaminated with Bacillus subtilis. In an effort to rid them of this contamination, the effect on the two organisms of a number of common dyes was studied and a striking selective power possessed by gentian violet was brought ...