Keyphrases
Attenuated Vaccine Strains
25%
Attenuated Virulence
25%
Causative Agents
25%
Clonality
25%
Crossover Events
50%
Double Crossover
25%
Endosomal Escape
25%
Epidemic Typhus
50%
Evade
25%
Gene mutant
25%
Genetic Manipulation
25%
Guinea pig Model
25%
Homologous Recombination
25%
Host Immunity
25%
Intracytoplasmic
25%
Linear DNA
50%
Madrid
25%
Mutagenesis
50%
Mutant Strains
25%
PCR Analysis
25%
Phenotypic Differences
25%
Phospholipase D
100%
Phospholipase D Activity
25%
Plasmid
25%
Rickettsia Prowazekii
100%
Rickettsial
100%
Single-point Crossover
25%
Site-directed
50%
Site-directed mutagenesis
100%
Southern Blot Analysis
25%
Tissue Culture
25%
Transformant
25%
Vaccine Strain
25%
Virulence
25%
Wild Strain
25%
Immunology and Microbiology
Attenuated Vaccine
33%
Clonal Variation
33%
Genetic Manipulation
33%
Guinea Pig Model
33%
Homologous Recombination
33%
Live Vaccine
33%
Mutagenesis
100%
Plasmid
33%
Rickettsia prowazekii
100%
Southern Blotting
33%
Tissue Culture
33%
Type Strain
33%
Wild Type
66%