Transgenic citrus plants expressing the citrus tristeza virus p23 protein exhibit viral-like symptoms
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منابع مشابه
The p23 Protein from Citrus tristeza virus is a Pathogenicity Determinant in Transgenic Citrus Hosts
The 23 kDa protein (p23) coded by the 3 -terminal gene of Citrus tristeza virus (CTV), is a RNA-binding protein that contains a motif rich in cysteine and histidine residues in the core of a putative zinc-finger domain. Transgenic Mexican lime plants were generated carrying a p23 transgene, or a truncated version thereof, under the control of the Cauliflower mosaic virus (CaMV) 35S promoter. Ec...
متن کاملCitrus tristeza virus p23: a unique protein mediating key virus–host interactions
The large RNA genome of Citrus tristeza virus (CTV; ca. 20 kb) contains 12 open reading frames, with the 3'-terminal one corresponding to a protein of 209 amino acids (p23) that is expressed from an abundant subgenomic RNA. p23, an RNA-binding protein with a putative zinc-finger domain and some basic motifs, is unique to CTV because no homologs have been found in other closteroviruses, includin...
متن کاملThe p23 protein of citrus tristeza virus controls asymmetrical RNA accumulation.
Citrus tristeza virus (CTV), a member of the Closteroviridae, has a 19.3-kb positive-stranded RNA genome that is organized into 12 open reading frames (ORFs) with the 10 3' genes expressed via a nested set of nine or ten 3'-coterminal subgenomic mRNAs (sgRNAs). Relatively large amounts of negative-stranded RNAs complementary to both genomic and sgRNAs accumulate in infected cells. As is charact...
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 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...
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ژورنال
عنوان ژورنال: Molecular Plant Pathology
سال: 2001
ISSN: 1464-6722
DOI: 10.1046/j.1364-3703.2001.00047.x