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  2. Bacteriophage - Wikipedia

    en.wikipedia.org/wiki/Bacteriophage

    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.

  3. Phage therapy - Wikipedia

    en.wikipedia.org/wiki/Phage_therapy

    Phage injecting its genome into bacterial cell An electron micrograph of bacteriophages attached to a bacterial cell. These viruses are the size and shape of coliphage T1. Phage therapy, viral phage therapy, or phagotherapy is the therapeutic use of bacteriophages for the treatment of pathogenic bacterial infections.

  4. Prophage - Wikipedia

    en.wikipedia.org/wiki/Prophage

    In the lytic cycle, the virus commandeers the cell's reproductive machinery. The cell may fill with new viruses until it lyses or bursts, or it may release the new viruses one at a time in an exocytotic process. The period from infection to lysis is termed the latent period. A virus following a lytic cycle is called a virulent virus.

  5. Marine viruses - Wikipedia

    en.wikipedia.org/wiki/Marine_viruses

    The average virion is about one one-hundredth the linear size of the average bacterium. A teaspoon of seawater typically contains about fifty million viruses. [6] Most of these viruses are bacteriophages which infect and destroy marine bacteria and control the growth of phytoplankton at the base of the marine food web. Bacteriophages are ...

  6. Lysogenic cycle - Wikipedia

    en.wikipedia.org/wiki/Lysogenic_cycle

    Lysogenic cycle, compared to lytic cycle Lysogenic Cycle:1. The prokaryotic cell is shown with its DNA, in green. 2. The bacteriophage attaches and releases its DNA, shown in red, into the prokaryotic cell. 3. The phage DNA then moves through the cell to the host's DNA. 4. The phage DNA integrates itself into the host cell's DNA, creating ...

  7. Lytic cycle - Wikipedia

    en.wikipedia.org/wiki/Lytic_cycle

    Lytic cycle, compared to lysogenic cycle. The lytic cycle (/ ˈ l ɪ t ɪ k / LIT-ik) is one of the two cycles of viral reproduction (referring to bacterial viruses or bacteriophages), the other being the lysogenic cycle. The lytic cycle results in the destruction of the infected cell and its membrane.

  8. Microbial toxin - Wikipedia

    en.wikipedia.org/wiki/Microbial_toxin

    Several bacteriophages contain toxin genes that become incorporated into the host bacteria genome through infection and render the bacteria toxic. [9] Many well known bacterial toxins are produced from specific strains of the bacteria species that have obtained toxigenicity through lysogenic conversion, pseudolysogeny, or horizontal gene ...

  9. Mycobacteriophage - Wikipedia

    en.wikipedia.org/wiki/Mycobacteriophage

    Mycobacteriophage Bxb1 Structure [1]. A mycobacteriophage is a member of a group of bacteriophages known to have mycobacteria as host bacterial species. While originally isolated from the bacterial species Mycobacterium smegmatis and Mycobacterium tuberculosis, [2] the causative agent of tuberculosis, more than 4,200 mycobacteriophage species have since been isolated from various environmental ...