نتایج جستجو برای: citrus tristeza disease
تعداد نتایج: 1506674 فیلتر نتایج به سال:
Isolates of the Closterovirus, Citrus tristeza virus (CTV), are populations of disparate genotypes and defective RNAs developed during long periods of vegetative propagation of citrus trees. Because it has not been possible to obtain pure cultures of the virus, it is not known what components of the population are primarily responsible for induction of diseases. We previously developed an infec...
Typing of CTV based on coat protein (CP) gene has been approached in diverse ways. The basis for the assay focused on in this paper was presented some years ago and has been subject to several improvements since its appearance. Although the results obtained with this assay have been presented in diverse scientiic meetings, theses and technical seminars, so far no paper has explained the rationa...
Viral infection in both plant and invertebrate hosts requires a virus-encoded function to block the RNA silencing antiviral defense. Here, we report the identification and characterization of three distinct suppressors of RNA silencing encoded by the approximately 20-kb plus-strand RNA genome of citrus tristeza virus (CTV). When introduced by genetic crosses into plants carrying a silencing tra...
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...
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