Abstract
The immunogenicity of ribosomes and ribosomal subfractions isolated from Yersina pestis and Salmonella typhimurium has been studied. Ribosomes and ribosomal protein isolated from S. typhimurium protected mice against lethal challenge. Ribosomal ribonucleic acid isolated by phenol extraction failed to induce any significant level of protection in mice. None of the ribosomes or ribosomal subfractions isolated from Y. pestis were effective in inducing immunity to lethal challenge. These results suggest that the immunogen of the ribosomal vaccine is protein.
MeSH Terms
Animals
Antibody Formation
Antigens, Bacterial/isolation & purification
Bacterial Proteins
Bacterial Vaccines
Centrifugation, Density Gradient
Chromatography
Immunization
Male
Mice
Pronase
RNA, Bacterial/isolation & purification
RNA, Ribosomal/isolation & purification
Ribonucleases
Ribosomes/immunology
Salmonella typhimurium/cytology,immunology
Sodium Dodecyl Sulfate
Spectrophotometry
Sucrose
Time Factors
Trypsin
Ultracentrifugation
Yersinia pestis/cytology,immunology
Chemicals
Antigens, Bacterial
Bacterial Proteins
Bacterial Vaccines
RNA, Bacterial
RNA, Ribosomal
Sodium Dodecyl Sulfate
Sucrose
Ribonucleases
Trypsin
Pronase
Authors & Affiliations
1 authors, click to expand affiliations / ORCID
Johnson W
References (17)
17 references, click to expand
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