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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.
Phage typing is based on the specific binding of phages to antigens and receptors on the surface of bacteria and the resulting bacterial lysis or lack thereof. [4] The binding process is known as adsorption. [5] Once a phage adsorbs to the surface of a bacteria, it may undergo either the lytic cycle or the lysogenic cycle. [6]
The p1 protein of Ff phage (i. e. genus Inovirus), which is required for phage assembly at the membrane, has a membrane-spanning hydrophobic domain with the N-terminal portion in the cytoplasm and the C-terminal portion in the periplasm (the reverse of the orientation of the gene 8 coat protein). Adjacent to the cytoplasmic side of the membrane ...
In order for the T-even phage to infect its host and begin its life cycle it must enter the first process of infection, adsorption of the phage to the bacterial cell. Adsorption is a value characteristic of phage-host pair and the adsorption of the phage on host cell surface is illustrated as a 2-stage process: reversible and irreversible.
Bacteriophages: Methods and Protocols.Volume 1: Isolation, Characterization, and Interactions. ... Phage and the Origins of Molecular Biology (expanded edition).
Plaque exhibiting bacterial lawn with clearings made by Artharobacter phage GantcherGoblin.. The Actinobacteriophage database, more commonly known as PhagesDB, is an interactive, comprehensive, database-backed website that collects and shares information related to the discovery, characterization and genomics of viruses that typically infect Actinobacterial hosts.
Assembled major coat protein, exploded view. The virion is a flexible filament (worm-like chain) about 6 nm in diameter and 900 nm long.Several thousand copies of a small (50 amino-acid residues) elongated alpha-helical major coat protein subunit (the product of gene 8, or p8) in an overlapping shingle-like array form a hollow cylinder enclosing the circular single-stranded DNA genome.
Structure of phage ΦX174 capsid Schematic drawing of a Sinsheimervirus (aka Phix174microvirus) virion. The phi X 174 (or ΦX174) bacteriophage is a single-stranded DNA virus that infects Escherichia coli.