نتایج جستجو برای: ambisense genome segments
تعداد نتایج: 290628 فیلتر نتایج به سال:
More than 10 years ago it was proposed that the genome of influenza virus is made up of two or more single-stranded ribonucleic acid (RNA) segments rather than one continuous chain of covalently linked nucleotides (26, 60). The first evidence for such an unusual viral genome came from genetic studies. These were later supported by the finding that RNA extracted from influenza and other myxoviru...
All ten reovirus genome RNA segments were radiolabeled at their 3'-termini by incubation with RNA ligase and 32pCp. The extent of radiolabeling was similar for each of the double-stranded RNAs in the genome segment mixture. Radioactivity was equally distributed between the separated plus and minus strands indicating that the 5'-cap in plus strands did not block 3'-end-labeling of minus strands....
Bluetongue virus (BTV), a member of the Orbivirus genus within the Reoviridae family, has a genome of 10 double-stranded RNA segments, with three distinct size classes. Although the packaging of the viral genome is evidently highly specific such that every virus particle contains a set of 10 RNA segments, the order and mechanism of packaging are not understood. In this study we have combined th...
The metabolically versatile Gram-negative bacterium Pseudomonas aeruginosa inhabits terrestrial, aquatic, animal-, human-, and plant-host-associated environments and is an important causative agent of nosocomial infections, particularly in intensive-care units. The population genetics of P. aeruginosa was investigated by an approach that is generally applicable to the rapid, robust, and informa...
We sequenced 2.2 Mb representing triplicated genome segments of Brassica oleracea, which are each paralogous with one another and homologous with a segmentally duplicated region of the Arabidopsis thaliana genome. Sequence annotation identified 177 conserved collinear genes in the B. oleracea genome segments. Analysis of synonymous base substitution rates indicated that the triplicated Brassica...
Microevolution of Puumala hantavirus (PUUV) was studied throughout a population cycle of its host, the bank vole (Myodes glareolus). We monitored PUUV variants circulating in the host population in Central Finland over a five-year period that included two peak-phases and two population declines. Of 1369 bank voles examined, 360 (26.3%) were found infected with PUUV. Partial sequences of each of...
A 190-kb mitochondrial DNA sequence interrupted by seven foreign DNA segments was identified in rice chromosome 12. This fragment is the largest mitochondrial fragment translocated into the rice nuclear genome. The sequence is composed of a 190-kb segment of mitochondrial origin corresponding to 38.79% of the mitochondrial genome, 45 kb comprising four segments of retrotransposon origin, and 13...
Using the extensive segmental duplications of the Arabidopsis thaliana genome, a comparative study of homoeologous segments occurring in chromosomes 1, 2, 4 and 5 was performed. The gene-by-gene BLASTP approach was applied to identify duplicated genes in homoeologues. The levels of synonymous substitutions between duplicated coding sequences suggest that these regions were formed by at least tw...
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