The Carrier State of Lactic Streptococcus Bacteriophage
نویسندگان
چکیده
منابع مشابه
Host adaption to the bacteriophage carrier state of Campylobacter jejuni
The carrier state of the foodborne pathogen Campylobacter jejuni represents an alternative life cycle whereby virulent bacteriophages can persist in association with host bacteria without commitment to lysogeny. Host bacteria exhibit significant phenotypic changes that improve their ability to survive extra-intestinal environments, but exhibit growth-phase-dependent impairment in motility. We d...
متن کاملAlternative bacteriophage life cycles: the carrier state of Campylobacter jejuni
Members of the genus Campylobacter are frequently responsible for human enteric disease, often through consumption of contaminated poultry products. Bacteriophages are viruses that have the potential to control pathogenic bacteria, but understanding their complex life cycles is key to their successful exploitation. Treatment of Campylobacter jejuni biofilms with bacteriophages led to the discov...
متن کاملRole of calcium and related ions in proliferation of lactic streptococcus bacteriophage.
Calcium is necessary for multiplication of several strains of lactic streptococcus bacteriophage while not required for growth of host bacteria (Shew, 1949; Reiter, 1949; Cherry and Watson, 1949; Collins et al., 1950; Potter and Nelson, 1952b). However, the mode of action of this ion has remained obscure. Calcium action in other bacteriophage systems has been investigated, but disagreement as t...
متن کاملInhibition of Lactic Streptococcus Bacteriophage by Crystal Violet and Other Agents
Ninety-nine selected compounds and eleven antibiotic-producing organisms were tested for antiphage activity and host toxicity. A paper disc-agar diffusion method was used for primary screening and quantitative methods were employed for confirmatory investigation. Most of the agents tested, although previously reported as inhibitory to one or more other virus-host systems, did not selectively pr...
متن کاملStudies on Streptococcus Bacteriophage
A series of experiments was carried out on various strains of streptococci in order to ascertain the changes which bacteriophage produces in the phenomena of agglutination of these organisms. The results can be placed in the following categories. 1. Loss of specific agglutinability was observed with partial and with what appeared as complete loss of specific agglutinin absorption and agglutinog...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1952
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(52)93761-2