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The T2 phage can quickly turn an E. coli cell into a T2-producing factory that releases phages when the cell ruptures. Experiments conducted in 1952 by Alfred Hershey and Martha Chase demonstrated how the DNA of viruses is injected into the bacterial cells, while most of the viral proteins remain outside.
Structural model at atomic resolution of bacteriophage T4 [1] The structure of a typical myovirus bacteriophage Anatomy and infection cycle of bacteriophage T4.. A bacteriophage (/ b æ k ˈ t ɪər i oʊ f eɪ dʒ /), also known informally as a phage (/ ˈ f eɪ dʒ /), is a virus that infects and replicates within bacteria and archaea.
Structural overview of T2 phage T4 is a relatively large virus, at approximately 90 nm wide and 200 nm long (most viruses range from 25 to 200 nm in length). The DNA genome is held in an icosahedral head, also known as a capsid . [ 9 ]
Structural overview of T2 phage. Hershey and Chase needed to be able to examine different parts of the phages they were studying separately, so they needed to distinguish the phage subsections. Viruses were known to be composed of a protein shell and DNA, so they chose to uniquely label each with a different elemental isotope. This allowed each ...
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The P" phage is the type species. The subfamily Spounavirinae are all virulent, broad-host range phages that infect members of the Bacillota . They possess isometric heads of 87-94 nm in diameter and conspicuous capsomers , striated 140-219 nm long tails and a double base plate.
Virulent Phage (Selected Papers in Biochemistry, Volume 1). University of Tokyo Press, Tokyo, and University Park Press, Baltimore, MD. OCLC 208390, ISBN 0-8391-0612-2