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Ferguson, Andrew L.; Mann, Jaclyn K.; Omarjee, Saleha; Ndung’u, Thumbi; Walker, Bruce D.; Chakraborty, Arup K.
Immunity, 03/2013, Letnik: 38, Številka: 3Journal Article
A prophylactic or therapeutic vaccine offers the best hope to curb the HIV-AIDS epidemic gripping sub-Saharan Africa, but it remains elusive. A major challenge is the extreme viral sequence variability among strains. Systematic means to guide immunogen design for highly variable pathogens like HIV are not available. Using computational models, we have developed an approach to translate available viral sequence data into quantitative landscapes of viral fitness as a function of the amino acid sequences of its constituent proteins. Predictions emerging from our computationally defined landscapes for the proteins of HIV-1 clade B Gag were positively tested against new in vitro fitness measurements and were consistent with previously defined in vitro measurements and clinical observations. These landscapes chart the peaks and valleys of viral fitness as protein sequences change and inform the design of immunogens and therapies that can target regions of the virus most vulnerable to selection pressure. Display omitted ► Quantitative fitness landscapes were extracted from viral sequence databases ► We developed a landscape for HIV Gag by using a model from statistical physics ► Predictions show good agreement with new in vitro and existing clinical data
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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