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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. The term is derived from Ancient Greek φαγεῖν (phagein) 'to devour' and bacteria .
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.
Bacteriophage T7 (or the T7 phage) is a bacteriophage, a virus that infects bacteria. ... Annotated schematic drawing of a Enterobacteria phage T7 virion (cross ...
The species was formerly named T-even bacteriophage, a name which also encompasses, among other strains (or isolates), Enterobacteria phage T2, Enterobacteria phage T4 and Enterobacteria phage T6. Use in research
Schematic drawing of an Enterobacteria phage P22 virion (cross section and side view) P22 shares many similarities in genetic structure and regulation with bacteriophage λ . [ 1 ] It is a temperate double stranded DNA phage as well as a lambdoid phage since it carries control of gene expression regions and early operons similar to those of ...
Schematic drawing of a Φ29 phage virion (cross section and side view). The structure of Φ29 is composed of seven main proteins: the terminal protein (p3), the head or capsid protein (p8), the head or capsid fiber protein (p8.5), the distal tail knob (p9), the portal or connector protein (p10), the tail tube or lower collar proteins (p11), and the tail fibers or appendage proteins (p12*).
English: The map shows the complete circular single-stranded DNA genome (5386 bp) of Enterobacteria phage ΦX174 (accession NC_001422).This DNA genome was the first one ever sequenced (Fred Sanger and colleagues: 1977).
Schematic drawing of an Enterobacteria phage T5 virion (cross section and side view) The T5 virion includes a 90 nanometer icosahedral capsid (head) and a 160 nanometer-long flexible, non-contractile tail. [3] [4] The capsid contains the phage's 121,750 base pair, double-stranded DNA genome which is predicted to encode about 162 proteins.