From: Lytic Efficiency of Mycobacteriophages
"Abstract: Mycobacteriophages D29 and TM4 are the two virulent phages widely used for the study of mycobacterial genetics. Both the phages are capable of killing Mycobacterium tuberculosis but the efficiency of these phages in killing has not been evaluated and compared. There are reports based on codon usage analysis where TM4 is predicted to be a better killing phage over D29 which corroborated with the whole genome in silico analysis. In addition a kill assay using 5 wild type virulent mycobacteriophages viz. D29, TM4, I3, Che7 and Che11 was performed to study the killing efficiency of these phages using LRP assay. Based on the results, D29 was found to infect all the 10 clinical strains of M.tuberculosis and significantly reduced RLU at 3 hours and this effect continued up to 24 hours. Thus, D29 is found to have better killing efficiency than TM4 contradicting the earlier predictions. In silico analysis of holin and lysin genes of TM4 and D29 substantiated our findings."
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"In silico"
From Wikipedia
If the target host* of a phage therapy treatment is not an animal the term "biocontrol" (as in phage-mediated biocontrol of bacteria) is usually employed, rather than "phage therapy".
In silico
From:"Genomics,Proteomics and Clinical Bacteriology",N.Woodford and Alan P.Johnson
Phrase that emphasizes the fact that many molecular biologists spend increasing amounts of their time in front of a computer screen, generating hypotheses that can subsequently be tested and (hopefully) confirmed in the laboratory.
Phage Therapy is influenced by:
Phage therapy is influenced by:
Country : the epidemiological situation is different from country to country in terms of circulating bacteria and bacteriophages. Example: lytic phages from Italy may be no active on the same bacteria (genus and species) isolated from another country and vice versa.
Temporariness
Mutation rate
Phenotypical delay
Phage cocktail
My point of view
Country : the epidemiological situation is different from country to country in terms of circulating bacteria and bacteriophages. Example: lytic phages from Italy may be no active on the same bacteria (genus and species) isolated from another country and vice versa.
Temporariness
Mutation rate
Phenotypical delay
Phage cocktail
My point of view