nester13 - Chapter 13: Virus of Bacteria Important Point:...

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Chapter 13: Virus of Bacteria
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Important Point:
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What is a Phage? “The agents were called filterable viruses… Virus means ‘poison,’ a term that once had been applied to all infectious agents. With time, the adjective filterable was dropped and only the word virus was retained.” Bacteriophage were originally described as a macroscopic phenomenon that was slightly different from the “poisoning” of a plant or animal. Instead, what was observed was the destruction of a bacterial culture. People weren’t all that sure what a bacterium was so the destruction was seen more as an “eating” of the culture (by an otherwise unseen agent) rather than a poisoning. The filterable agent in this case was described as an “eater” of bacteria, or “Phage” from Greek: Bacteriophage = “Bacteria Eater.”
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What is a Phage? “The agents were called filterable viruses… Virus means ‘poison,’ a term that once had been applied to all infectious agents. With time, the adjective filterable was dropped and only the word virus was retained.” Bacteriophage were originally described as a macroscopic phenomenon that was slightly different from the “poisoning” of a plant or animal. Instead, what was observed was the destruction of a bacterial culture. People weren’t all that sure what a bacterium was so the destruction was seen more as an “eating” of the culture (by an otherwise unseen agent) rather than a poisoning. The filterable agent in this case was described as
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nester13 - Chapter 13: Virus of Bacteria Important Point:...

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