'Temperate phage' presentation slideshows

acteriophages

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Bacteriophages

Bacteriophages. Dr.T.V.Rao MD. Viruses that attack bacteria were observed by Twort and d'Herelle in 1915 and 1917. They observed that broth cultures of certain intestinal bacteria could be dissolved by addition of a bacteria-free filtrate obtained from sewage. What are Bacteriophages.

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Chapter 4. Bacteriophage ???

Chapter 4. Bacteriophage ???. Bacteriophages ( phages ) are obligate intracellular parasites that multiply inside bacteria by making use of some or all of the host biosynthetic machinery . They are viruses that infect bacteria. Bacteriophage (Phage).

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ISOLATION, QUANTIFICATION AND identification OF VIRUSES

ISOLATION, QUANTIFICATION AND identification OF VIRUSES. REVISION. VIRULENT VIRUS - Upon entering the host, the virus circular DNA will undergo multiplication and lyses the host to release the new virion. The Lytic Cycle Culminates in the death of the host cell

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Viruses

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The basis of diversity in bacteria

The basis of diversity in bacteria. Recombination Homologous Non-homologous Rearrangements/transpositions Deletions. DNA replication Mutation Repair. Plasmid conjugation. DNA transformation. Phage transduction. Transformation. Plating on selective medium (absence of Trp).

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Viruses

Viruses. 0. 17. Figure 17.8. 1 ?m. (a) 2009 pandemic H1N1 influenza A virus. (b) 2009 pandemic screening. Figure 17.2. Membranous envelope. Capsomere. RNA. RNA. DNA. Head. DNA. Capsid. Capsomere of capsid. Tail sheath. Tail fiber. Glycoprotein. Glycoproteins. 80 ? 225 nm.

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NAJRAN UNIVERSITY College of Medicine

NAJRAN UNIVERSITY College of Medicine. Microbiology &Immunology Course Lecture No. 21. By. Dr. Ahmed Morad Asaad Associate Professor of Microbiology. Bacteriophages

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