Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"Lysogeny"”.
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Isolation of bacteriophages against Streptococcus species; Lysogeny of Ten Mycobacteriophages for host Mycobacterium tuberculosis H37Ra
… from the human oral cavity. The second is lysogeny of mycobacteriophages originally obtained from Mycobacterium smegmatis mc2155 as a host that displayed successful cross-infection with Mycobacteria tuberculosis H37Ra in previous assays. Using the previous research, the bacteriophages …
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Determination of cell fate selection during phage lambda Infection
… Building from this analysis, the lambda lysis-lysogeny decision now serves as a paradigm for how intrinsic biomolecular noise can influence cellular behavior, drive developmental processes, and produce population heterogeneity. The aim of this thesis is to re-evaluate lambda as a paradigm for …
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Collective dynamics of evolving populations and their strategies with application to medicine
… microbe-virus systems, including the effects of lysogeny. In the absence of lysogeny, our model is a generalization of that proposed phenomenologically by Weitz and Dushoff. In the presence of lysogeny, we analyze the possible states of the system, identifying a novel limit cycle, which we …
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A genetic analysis of bacteriophage lambda integrase-core site interactions
… its DNA into the E. coli chromosome during lysogeny. The viral protein, Integrase (Int), catalyzes strand exchange between the phage attachment site, attP, and the host target sequence, attB to generate the prophage sites, attL and attR. attP contains the core region, where strand exchange …
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Genes and structural proteins of the phage SYN5 of the marine cyanobacteria, Synechococcus
… in lateral gene transfer, mediated through lysogeny, mixed infections, pseudolysogeny, and transduction.
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Temporal Analysis of Bacteriophage Felix O1 Gene Expression
… strictly virulent in nature, unable to undergo lysogeny. To facilitate the development of the bacteriophage for use in these areas, the full sequence of the genome had been elucidated previously. In this work, identification and classification of functional coding sequences via reverse …
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The Effect of Selected Chemicals on the Induction of Lambda Phage in Escherichia Coli W1709
… hereditary power to produce bacteriophage as lysogeny. A lysogenic bacterium thus is one that possesses and transmits the power to produce bacteriophage (2). | The lysogenic state is considered stable, but a small amount of free phage can be observed in a growing culture of lysogenic bacteria. …
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Characterization of the Gifsy-1 Phage Excisionase
… Salmonella enterica serovar Typhimurium. During lysogeny, the phage integrates site-specifically into a single bacterial attachment sequence in the Salmonella chromosome. The reaction involves recombination between the phage attachment sequence (attP) and the bacterial attachment sequence (attB). …
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The ecology of prophages at the microscale
… However, the ecological modulators of lysogeny-lysis transitions in complex communities remain largely unknown. Therefore, in my second study, I explored the extent to which prophage dynamics may be influenced by chemical cues serving as proxies for the densities and identities of …
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A Stochastic Framework to Model Extrinsic Noise in Gene Regulatory Networks
… to the random decision between lysis and lysogeny as well as explains the bistable switch in the model of the lac operon. Finally, a feed-forward loop analysis is conducted by measuring and comparing the noise level in the target protein of feed-forward loops. This analysis reveals the …
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Isolation, Characterization, And Application Of Novel Bacteriophages For Preventing Experimental Infection With Mycobacterium avium subspecies paratuberculosis (MAP) Of Dairy Calves
… also explored aspects such as cross-resistance, lysogeny, and the influence of pH. Subsequently, we assessed the efficacy of these mycobacteriophages in preventing MAP infection in dairy calves through oral administration in an experimental calf infection trial. This research demonstrated the …
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A Proteomics Approach to Investigate Uropathogenic Escherichia coli
… UPEC following growth in various environments (Lysogeny broth, artificial urine medium and co-culture with uroepithelial cells). The digested proteins and peptides from all fractions were separated on a Dionex Ultimate 3000 RSLC nano flow system and analysed in an Orbitrap Velos Pro FTMS. Data …
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Movement and Stability of the Staphylococcal Cassette Chromosome mec among Staphylococcus aureus
… by β-lactamase inhibitors and the necessity of lysogeny with ϕ11 in the recipient or the presence of a small (4-Kb) tetracycline resistance plasmid, as previously reported were not confirmed. SCCmec transduction was occasionally associated with substantial deletions or truncation of SCCmec and …
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Reprogramming Pseudomonas aeruginosa: an in depth study on phage-host interaction
… of human lung epithelium, than when cultured in lysogeny broth. During phage infection, it was observed that global transcriptomes are substantially different at early infection, an important phase during which phage takeover of the bacterial cell occurs, with particular changes in metabolic …
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Characterization of a salmonella phage using omic tools and mathematical models to predict host-phage interaction
… not reveal any factor or gene responsible for lysogeny, pathogenesis or other which could exclude the use of this myovirus in vivo. Some of the phage proteins identified during this characterization represent an added value for biotechnological applications. From these, the PVP‐SE1 lysozyme is …
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The Deoxythymidine Kinase-Deoxythymidylate Kinase Enzymes in SALMONELLA POTSDAM and ESCHERICHIA COLI K12 Infected with Bacteriophage P3
… since most temperate phage infections lead to lysogeny. Recently though, it has been found that the temperate phage lambda is capable of inducing a virus-specific enzyme in its host.</p> <p>The bacteriophage P3 normally grows in <em>Salmonella potsdam</em>. It is also capable of infecting …