Phase variation is an immune evasion technique employed by various types of bacteria, including Salmonella species. It involves the switching of surface antigens, to evade specific adaptive immune system responses.
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Identification of mutants with increased phase variation frequencies. Mapping and analysis of loci involved in phase variation modulation. REFERENCES ...
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... took place during phase variation of 4BrecA. ... Phase variation is one adaptive process by which bacteria ... control phase variation. ...
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Colony morphology and phase variation correlates with the presence of pili on ... For these strains, phase variation can be achieved by spontaneous mutations in ...
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This phenomenon has been labeled phase variation, but it probably does not ... Restriction analysis of phase variation in Xenorhabdus spp. ...
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Phase variation is a mechanism of ON–OFF switching that is widely utilized by ... These are central features of phase variation but are rarely addressed, with the ...
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dam+/drg and dam/drg+, did not modify phase variation frequencies. ... The frequency of phase variation is a major factor controlling the genetic ...
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During mid-puberty, phase variation is large and explains up to 40 percent of ... Michael Hermanussen (2007) "Phase Variation in Child and Adolescent Growth, ...
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Phase variation can also influence the affinity of pathogens for different host ... The genetic mechanism of phase variation in many cases is expansion and ...
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Consortium Publishes Phase II Map of Human Genetic Variation ... Variation in the human genome is organized into local neighborhoods called ...
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... efficiently, you can measure the phase noise in your signal ... e(t)= amplitude variation of signal and. Δj(t)= phase variation, or phase noise, of signal. ...
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The difference in the phase of the annual variation is, however, large enough to ... Thus, the phase of the semiannual variation predicted by this model is not ...
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During phase variation, the pilin gene is turned on and off at high frequencies. ... We have examined phase variation in more detail, and we report that in most P ...
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Phase variation of H. influenzae fimbriae: Transcriptional control of two ... is subject to reversible phase variation between three expression levels. ...
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Providing a microscope apparatus capable of observing phase variation of a phase object with sufficient contrast with a white light source having an area such as a ...
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We notice that the mean phase variation can be observed as a spectral shift f0 ... Estimating of the variance of the dynamic phase variation ...
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... at many frequencies, so its phase with respect to the main ... Random phase variation. due to noise pk-pk. Random amplitude variation. due to noise pk-pk ...
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Abstract – The phase variation from a 300-m baseline 11.2 GHz interferometer was ... In Figure 5 we have the phase variation seen by the interferometer and the ...
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