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The phi X 174 (or ΦX174) bacteriophage is a single-stranded DNA virus that infects Escherichia coli. This virus was isolated in 1935 by Nicolas Bulgakov [1] in Félix d'Hérelle's laboratory at the Pasteur Institute, from samples collected in Paris sewers. Its characterization and the study of its replication mechanism were carried out from ...
Bacteriophage MS2 (Emesvirus zinderi), commonly called MS2, is an icosahedral, positive-sense single-stranded RNA virus that infects the bacterium Escherichia coli and other members of the Enterobacteriaceae. [1] MS2 is a member of a family of closely related bacterial viruses that includes bacteriophage f2, bacteriophage Qβ, R17, and GA. [2]
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.
This can occur when viruses infect cells simultaneously and studies of viral evolution have shown that recombination has been rampant in the species studied. [69] Recombination is common to both RNA and DNA viruses. [70] [71] Coronaviruses have a single-strand positive-sense RNA genome.
The genome contains 48,502 [7] base pairs of double-stranded, linear DNA, with 12-base single-strand segments at both 5' ends. [8] These two single-stranded segments are the "sticky ends" of what is called the cos site. The cos site circularizes the DNA in the host cytoplasm.
M13 is one of the Ff phages (fd and f1 are others), a member of the family filamentous bacteriophage ().Ff phages are composed of circular single-stranded DNA (), which in the case of the m13 phage is 6407 nucleotides long and is encapsulated in approximately 2700 copies of the major coat protein p8, and capped with about 5 copies each of four different minor coat proteins (p3 and p6 at one ...
Microviridae is a family of bacteriophages with a single-stranded DNA genome. The name of this family is derived from the ancient Greek word μικρός ( mikrós ), meaning "small". [ 1 ] [ 2 ] This refers to the size of their genomes, which are among the smallest of the DNA viruses.
It is a positive-strand DNA virus with single-stranded DNA (ssDNA). CTXφ infects some strains of Vibrio cholerae, the bacterium that causes cholera. It carries the genes for cholera toxin (CTX), which makes cholera especially virulent. It can carry genes from one V. cholerae strain to another. [1]