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Several studies have shown that type 1 interferons (IFNs) exert multiple biological effects on both innate and adaptive immune responses. Here, we investigated the pathogenicity and immunogenicity of recombinant rabies virus (RABV) expressing canine interferon α1 (rHEP-CaIFNα1). It was shown that Kun Ming (KM) mice that received a single intramuscular immunization with rHEP-CaIFNα1 had an earlier...
The capsid (CA) sequence of human immunodeficiency virus type 1 (HIV-1) Gag protein consists of two independently folded domains named the N-terminal domain (NTD) and C-terminal domain (CTD) that are connected by a flexible linker. Most of the CTD sequence adopts rigid structure except for the last 11 amino acids (positions 354 to 364) that are disordered even in the context of the downstream SP1...
The Gag protein of human immunodeficiency virus type 1 (HIV-1) contains a 14-amino-acid region termed SP1 that is located between the capsid (CA) and nucleocapsid (NC) domains. It has been previously observed that either a M368A substitution within SP1 or the ΔSP1 deletion impaired virus production. In this study, we further showed that the M368A point mutation, but not the ΔSP1 deletion, severely...
The Tat protein of human immunodeficiency virus type 1 (HIV-1) has been shown to restrict premature reverse transcription at late stages of virus infection and to thus ensure the integrity of the viral RNA genome for packaging. To gain further insights into the roles of Tat in HIV-1 reverse transcription, we have assessed its effects on the first-strand transfer during the synthesis of minus-strand...
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