Defective RNAs of Citrus tristeza virus analogous to Crinivirus genomic RNAs
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چکیده
منابع مشابه
Defective interfering RNAs of a satellite virus.
Panicum mosaic virus (PMV) is a recently molecularly characterized RNA virus with the unique feature of supporting the replication of two subviral RNAs in a few species of the family Gramineae. The subviral agents include a satellite RNA (satRNA) that is devoid of a coding region and the unrelated satellite panicum mosaic virus (SPMV) that encodes its own capsid protein. Here we report the asso...
متن کاملCitrus tristeza virus-host interactions
Citrus tristeza virus (CTV) is a phloem-limited virus whose natural host range is restricted to citrus and related species. Although the virus has killed millions of trees, almost destroying whole industries, and continually limits production in many citrus growing areas, most isolates are mild or symptomless in most of their host range. There is little understanding of how the virus causes sev...
متن کاملThe defective RNAs of Closteroviridae
The family Closteroviridae consists of two genera, Closterovirus and Ampelovirus with monopartite genomes transmitted respectively by aphids and mealybugs and the Crinivirus with bipartite genomes transmitted by whiteflies. The Closteroviridae consists of more than 30 virus species, which differ considerably in their phytopathological significance. Some, like beet yellows virus and citrus trist...
متن کاملThe Complex Genetics of Citrus tristeza virus
The 2000 x 11 nm long bipolar flexuous filamentous particles of Citrus tristeza virus (CTV) (genus Closterovirus, family Closteroviridae) (Figure 1) contain a single-stranded positive-sense RNA genome of 19.3 kb, which is encapsidated in two different capsid proteins that coat the opposite ends of the virions [1, 2]. CTV is the largest identified RNA virus infecting plants and the second larges...
متن کاملNonrandom dimerization of murine leukemia virus genomic RNAs.
Retroviral genomes consist of two unspliced RNAs linked noncovalently in a dimer. Although these two RNAs are generally identical, two different RNAs can be copackaged when virions are produced by coinfected cells. It has been assumed, but not tested, that copackaging results from random RNA associations in the cytoplasm to yield encapsidated RNA homodimers and heterodimers in Hardy-Weinberg pr...
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ژورنال
عنوان ژورنال: Virology
سال: 2003
ISSN: 0042-6822
DOI: 10.1016/s0042-6822(03)00127-2