Blocked 5′ Termini in Brome Mosaic Virus RNA
نویسندگان
چکیده
منابع مشابه
Enhancer-like activity of a brome mosaic virus RNA promoter.
As with transcription from DNA templates, RNA synthesis from viral RNA templates must initiate accurately. RNA sequences named specificity and initiation determinants allow recognition of and coordinated interaction with the viral replication enzyme. Using enriched replicase from brome mosaic virus (BMV)-infected plants and variants of the promoter template for minus-strand and subgenomic RNA i...
متن کاملtRNA-like structure regulates translation of Brome mosaic virus RNA.
For various groups of plant viruses, the genomic RNAs end with a tRNA-like structure (TLS) instead of the 3' poly(A) tail of common mRNAs. The actual function of these TLSs has long been enigmatic. Recently, however, it became clear that for turnip yellow mosaic virus, a tymovirus, the valylated TLS(TYMV) of the single genomic RNA functions as a bait for host ribosomes and directs them to the i...
متن کاملMutations in the N terminus of the brome mosaic virus polymerase affect genetic RNA-RNA recombination.
Previously, we have observed that mutations in proteins 1a and 2a, the two virally encoded components of the brome mosaic virus (BMV) replicase, can affect the frequency of recombination and the locations of RNA recombination sites (P. D. Nagy, A. Dzianott, P. Ahlquist, and J. J. Bujarski, J. Virol. 69:2547-2556, 1995; M. Figlerowicz, P. D. Nagy, and J. J. Bujarski, Proc. Natl. Acad. Sci. USA 9...
متن کاملStable RNA structures can repress RNA synthesis in vitro by the brome mosaic virus replicase.
A 15-nucleotide (nt) unstructured RNA with an initiation site but lacking a promoter could direct the initiation of RNA synthesis by the brome mosaic virus (BMV) replicase in vitro. However, BMV RNA with a functional initiation site but a mutated promoter could not initiate RNA synthesis either in vitro or in vivo. To explain these two observations, we hypothesize that RNA structures that canno...
متن کاملEfficient Amplification of Brome Mosaic Virus
The genome of brome mosaic virus (BMV) is divided among messenger polarity RNA1, RNA2, and RNA3 (3.2, 2.9, and 2.1 kilobases, respectively). cis-Acting sequences required for BMV RNA amplification were investigated with RNA3. By using expressible cDNA clones, deletions were constructed throughout RNA3 and tested in barley protoplasts coinoculated with RNA1 and RNA2. In contrast to requirements ...
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ژورنال
عنوان ژورنال: Journal of Virology
سال: 1976
ISSN: 0022-538X,1098-5514
DOI: 10.1128/jvi.18.1.260-267.1976