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December 2011

Murine norovirus expresses a novel protein from an alternative reading frame on the viral subgenomic RNA, which plays a role in the regulation of the innate immune response and apoptosis. VF1 is important for efficient infection of its natural host as viruses lacking VF1 are attenuated in mice (see McFadden et al., doi:10.1371/journal.ppat.1002413). The localization of VF1 to the mitochondria is shown by confocal microscopy. The expression of VF1 N-terminally fused with GFP (green) in transfected Cos7 cells co-localizes with the mitochondrial Mitotracker stain (red), while the nucleus is shown in blue using DAPI staining.

Image Credit: Guia Carrara and Ian Goodfellow, Imperial College London

Opinions

Nutritional Immunology: A Multi-Dimensional Approach

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Pearls

Comparative Pathobiology of Fungal Pathogens of Plants and Animals

Martin B. Dickman, Paul de Figueiredo

Review

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Research Articles

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A Novel Human Cytomegalovirus Locus Modulates Cell Type-Specific Outcomes of Infection

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