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The T4 virus initiates an Escherichia coli infection by binding OmpC porin proteins and lipopolysaccharide (LPS) on the surface of E. coli cells with its long tail fibers (LTF). [16] [17] A recognition signal is sent through the LTFs to the baseplate. This unravels the short tail fibers (STF) that bind irreversibly to the E. coli cell surface.
In 1993, it was renamed again to T4-like phages, and was moved into the newly created order Caudovirales in 1998. The next year (1999), it was renamed to T4-like viruses. Once more, the genus was moved into the newly created subfamily Tevenvirinae in 2010-11, renamed to T4likevirus in 2012, and renamed again to T4virus in 2015.
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Zika virus is an arthropod-borne virus transmitted by mosquitos, and infection during pregnancy can lead to severe congenital abnormalities in a newborn. Congenital infection can lead to fetal growth restriction and CNS abnormalities, including microcephaly , ventriculomegaly and intracranial calcifications.
Enterobacteria phage λ (lambda phage, coliphage λ, officially Escherichia virus Lambda) is a bacterial virus, or bacteriophage, that infects the bacterial species Escherichia coli (E. coli). It was discovered by Esther Lederberg in 1950. [ 2 ]
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A 2019 study examined its effectiveness against E. coli in the urinary tract, [76] and a phase-1 trial was completed shortly before March 2021. [77] In February 2019, the FDA approved the first clinical trial of intravenously administered phage therapy in the United States. [78]
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.