odontoglossum/nicotine

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Odontoglossum ringspot virus host range restriction in Nicotiana sylvestris maps to the replicase gene.

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SUMMARY The experimental host range of Odontoglossum ringspot virus (ORSV), a member of the tobamoviruses, includes several species of Nicotiana, but not N. sylvestris. However, ORSV was able to replicate in protoplasts from N. sylvestris leaves. By using the green fluorescent protein (GFP) as a

[Studies on the Odontoglossum ringspot virus, a relative of the tobacco mosaic virus. I. Physical, chemical, serological and symptomatological findings].

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The complete nucleotide sequence of odontoglossum ringspot virus (Cy-1 strain) genomic RNA.

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The complete nucleotide sequence of the genomic RNA of odontoglossum ringspot virus Cy-1 strain (ORSV Cy-1) was determined using cloned cDNA. This sequence is 6611 nucleotides long containing four open reading frames, which correspond to 126 K, 183 K, 31 K, and 18 K proteins. Its genomic

Molecular cloning, sequencing and expression in Escherichia coli of the odontoglossum ringspot virus coat protein gene.

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The sequence of the 3'-terminal 1865 nucleotides of the genome of the tobamovirus odontoglossum ringspot virus (ORSV) was determined. This sequence contained two open reading frames (ORFs), 912 and 477 nucleotides long. The 912 nucleotide ORF has been identified as the cell-to-cell transport protein

First Report of Cymbidium mosaic virus and Odontoglossum ringspot virus in Orchids in Mexico.

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In 2010, a survey for viral diseases in commercial, orchid-producing greenhouses was carried out in Morelos, Mexico. Many symptomatic plants were observed. The most common leaf symptoms were yellow mottle, yellow streaks, and chlorotic and necrotic ringspots. Leaf samples were collected from eight

Mutational analysis of the movement protein of odontoglossum ringspot virus to identify a host-range determinant.

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Tobacco mosaic virus (TMV) which contains the movement protein (MP) of odontoglossum ringspot tobamovirus (ORSV) in place of the TMV MP systemically infects orchids but causes local infection in tobacco unless the carboxy-terminal 48 amino acids of the MP are deleted (C. A. Holt, C. A. Fenczik, S.

Detection of cymbidium mosaic potexvirus and odontoglossum ringspot tobamovirus using immuno-capillary zone electrophoresis.

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ABSTRACT Immuno-capillary zone electrophoresis (I-CZE) is a technique that combines the specificity afforded by serological assays with the sensitivity, rapidity, and automation in detection provided by capillary zone electrophoresis. Cymbidium mosaic potexvirus (CymMV) and odontoglossum ringspot

The use of DIG-labelled cRNA probes for the detection of cymbidium mosaic potexvirus (CymMV) and odontoglossum ringspot tobamovirus (ORSV) in orchids.

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DIG-labelled sense and antisense cRNA probes were synthesized from cDNA clones of CymMV and ORSV for virus detection in infected plants. A slot-blot hybridization assay was developed using either crude leaf extracts or total RNA from infected leaves. The assay could detect 50 and 250 pg of purified

A DNA clone encoding the full-length infectious genome of odontoglossum ringspot tobamovirus and mutagenesis of its coat protein gene.

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A full-length DNA clone encoding the genome of odontoglossum ringspot tobamovirus (ORSV) was synthesized and placed adjacent to a bacteriophage T7 RNA polymerase promoter. Capped-RNA transcripts produced in vitro were highly infectious when mechanically inoculated onto seedlings of Nicotiana

Nucleotide sequence analysis of a cDNA clone encoding the 34K movement protein gene of odontoglossum ringspot virus, ORSV-Cy, the Korean isolate.

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The partial nucleotide sequence of the 3'-terminal region of the Korean isolate of odontoglossum ringspot tobamovirus (ORSV-Cy) from cool-growing Cymbidium was determined. The sequence contained a full length open reading frame (ORF) coding for the viral cell-to-cell movement protein (MP). The ORF

The complete nucleotide sequence and genome organization of odontoglossum ringspot tobamovirus RNA.

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The complete nucleotide sequence of the genomic RNA of odontoglossum ringspot tobamovirus (ORSV) was determined. The RNA genome of ORSV is 6618 nucleotides long and contains five open reading frames (ORFs 1 to 5) coding for proteins of M(r) 126 K, 181 K, 34 K, 18 K and 52 K, respectively. This is

Dual resistance of transgenic plants against Cymbidium mosaic virus and Odontoglossum ringspot virus.

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Taxonomically distinct Cymbidium mosaic potexvirus (CymMV) and Odontoglossum ringspot tobamovirus (ORSV) are two of the most prevalent viruses worldwide; when co-infecting orchids, they cause synergistic symptoms. Because of the huge economic loss in quality and quantity in the orchid industry with

Reciprocal function of movement proteins and complementation of long-distance movement of Cymbidium mosaic virus RNA by Odontoglossum ringspot virus coat protein.

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Complementation of movement and coat proteins of the orchid-infecting potexvirus Cymbidium mosaic virus (CymMV) and tobamovirus Odontoglossum ringspot virus (ORSV) was investigated. Nicotiana benthamiana, which is susceptible to both CymMV and ORSV, was used as a model system. Four transgenic lines,

Mutation of Phe50 to Ser50 in the 126/183-kDa proteins of Odontoglossum ringspot virus abolishes virus replication but can be complemented and restored by exact reversion.

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Sequence comparison of a non-biologically active full-length cDNA clone of Odontoglossum ringspot virus (ORSV) pOT1 with a biologically active ORSV cDNA clone pOT2 revealed a single nucleotide change of T-->C at position 211. This resulted in the change of Phe50 in OT2 to Ser50 in OT1. It was not

Application of an Integrated Omics Approach for Identifying Host Proteins That Interact With Odontoglossum ringspot virus Capsid Protein.

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The glutamic acid at position 100 (E(100)) in the capsid protein (CP) of Odontoglossum ringspot virus (ORSV) plays an important role in long-distance viral movement in Nicotiana benthamiana. The ORSV(E100A) mutant, which has a glutamic acid to alanine substitution, shows a loss of systemic

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