Mutational Analysis of the Bovine Respiratory Syncytial Virus Nucleocapsid Protein Using a Minigenome System: Mutations That Affect Encapsidation, RNA Synthesis, and Interaction with the Phosphoprotein
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چکیده
منابع مشابه
Mapping the domains on the phosphoprotein of bovine respiratory syncytial virus required for N-P and P-L interactions using a minigenome system.
The interaction of bovine respiratory syncytial virus (BRSV) phosphoprotein (P) with nucleocapsid (N) and large polymerase (L) proteins was investigated using an intracellular BRSV-CAT minigenome replication system. Coimmunoprecipitation assays using P-specific antiserum revealed that the P protein can form complexes with N and L proteins. Deletion mutant analysis of the P protein was performed...
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15 صفحه اولMutations in the 5' trailer region of a respiratory syncytial virus minigenome which limit RNA replication to one step.
The 3' termini of the genomic and antigenomic RNAs of human respiratory syncytial virus (RSV) are identical at 10 of the first 11 nucleotide positions and 21 of the first 26 positions. These conserved 3'-terminal sequences are thought to contain the genomic and antigenomic promoters. Furthermore, the complement of each conserved sequence (i.e., the 5' end of the RNA it encodes) might contain an...
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The influenza A virus nucleoprotein (NP) is a multifunctional polypeptide which plays a pivotal role in virus replication. To get information on the domains and specific residues involved in the different NP activities, we describe here the preparation and characterization of 20 influenza A virus mutant NPs. The mutations, mostly single-amino-acid substitutions, were introduced in a cDNA copy o...
متن کاملThe NS1 protein of human respiratory syncytial virus is a potent inhibitor of minigenome transcription and RNA replication.
The NS1 protein (139 amino acids) is one of the two nonstructural proteins of human respiratory syncytial virus (RSV) and is encoded by a very abundant mRNA transcribed from the promoter-proximal RSV gene. The function of NS1 was unknown and was investigated here by using a reconstituted transcription and RNA replication system that involves a minireplicon and viral proteins (N, P, L and M2-1) ...
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ژورنال
عنوان ژورنال: Virology
سال: 2000
ISSN: 0042-6822
DOI: 10.1006/viro.2000.0264