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Microbiology - comparison of bacteriophage & animal virus

StageBacteriophageAnimal Virus
Attachment sites attachment of tail fibers to cell wall proteins attachment of spikes, capsid, or envelope to plasm a membrane proteins
Penetration injection of viral nucleic acid through bacterial cell wall endocytosis or fusion
uncoating none needed enzymatic digestion of viral proteins
synthesis in cytoplasm; bacterial synthesis ceased; Viral DNA or RNA replicated, formation of viral mRNA; viral components synthesized host cell synthesis ceased; Viral DNA or RNA replictaed, formation of viral RNA; Viral components synthesized
maturation addition of collar, sheath, base plate, & tail fibers to viral nucleic acid-containing head insertion of viral nucleic acid into capsid
release host cell lysis budding (enveloped viruses), cell rupture (nonenvelopedviruses)
Chronic infection lysogeny latency, chronic infection, cancer
Created by: JYarger