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Guo Y, Wu W, Zhang X, Ding M, Yu J, Zhang J, Jia MA, Tian Y. Triplex Immunostrip Assay for Rapid Diagnosis of Tobacco Mosaic Virus, Tobacco Vein Banding Mosaic Virus, and Potato Virus Y. PLANT DISEASE 2022; 106:3033-3039. [PMID: 35612580 DOI: 10.1094/pdis-08-21-1756-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Mixed virus infection has increasingly become a problem in the production of Solanaceae crops in recent years; therefore, a fast and accurate detection method is needed. In this study, a novel triplex immunostrip assay was developed for the simultaneous detection of tobacco mosaic virus (TMV), tobacco vein banding mosaic virus (TVBMV), and potato virus Y (PVY). The limits of detection of this novel immunostrip reached 200 ppb (ng/ml), 1 ppm (µg/ml), and 2 ppm for TMV, PVY, and TVBMV particles, respectively. Importantly, no cross-reactivity was observed among TMV, TVBMV, and PVY or to a nontarget virus. When the assay was applied to suspected virus-infected tobacco, tomato, and potato samples collected from fields in Southwest China, samples of single or mixed virus infection were successfully identified. In conclusion, the triplex immunostrip assay provides a fast and easy to use on-site detection method for field epidemiological studies of TMV, TVBMV, and PVY, and for managing diseases that are caused by them.
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Affiliation(s)
- Yushuang Guo
- Key Laboratory of Molecular Genetics, Guizhou Academy of Tobacco Science, Guiyang-550081, China
| | - Wei Wu
- Department of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou-350002, China
| | - Xiaolian Zhang
- Key Laboratory of Molecular Genetics, Guizhou Academy of Tobacco Science, Guiyang-550081, China
- Key Laboratory of Plant Resources Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences, Guizhou University, Guiyang-550081, China
| | - Ming Ding
- Biotechnology and Germplasm Resource Institute, Yunnan Academy of Agricultural Sciences, Kunming, China; Key Laboratory of Molecular Genetics, Guizhou Academy of Tobacco Science, Guiyang-550081, China
| | - Jing Yu
- Key Laboratory of Molecular Genetics, Guizhou Academy of Tobacco Science, Guiyang-550081, China
| | - Jie Zhang
- Key Laboratory of Molecular Genetics, Guizhou Academy of Tobacco Science, Guiyang-550081, China
| | - Meng-Ao Jia
- Key Laboratory of Molecular Genetics, Guizhou Academy of Tobacco Science, Guiyang-550081, China
| | - Yanping Tian
- Department of Plant Protection, Shandong Agriculture University, Taian-271018, China
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Abstract
The discovery of a new class of pathogen, viruses, in the late 19th century, ushered in a period of study of the biochemical and structural properties of these entities in which plant viruses played a prominent role. This was, in large part, due to the relative ease with which sufficient quantities of material could be produced for such analyses. As analytical techniques became increasingly sensitive, similar studies could be performed on the viruses from other organisms. However, plant viruses continued to play an important role in the development of molecular biology, including the demonstration that RNA can be infectious, the determination of the genetic code, the mechanism by which viral RNAs are translated, and some of the early studies on gene silencing. Thus, the study of plant viruses should not be considered a "niche" subject but rather part of the mainstream of virology and molecular biology.
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Abstract
Histidyl-tRNA synthetase (HisRS) is responsible for the synthesis of histidyl-transfer RNA, which is essential for the incorporation of histidine into proteins. This amino acid has uniquely moderate basic properties and is an important group in many catalytic functions of enzymes. A compilation of currently known primary structures of HisRS shows that the subunits of these homo-dimeric enzymes consist of 420-550 amino acid residues. This represents a relatively short chain length among aminoacyl-tRNA synthetases (aaRS), whose peptide chain sizes range from about 300 to 1100 amino acid residues. The crystal structures of HisRS from two organisms and their complexes with histidine, histidyl-adenylate and histidinol with ATP have been solved. HisRS from Escherichia coli and Thermus thermophilus are very similar dimeric enzymes consisting of three domains: the N-terminal catalytic domain containing the six-stranded antiparallel beta-sheet and the three motifs characteristic of class II aaRS, a HisRS-specific helical domain inserted between motifs 2 and 3 that may contact the acceptor stem of the tRNA, and a C-terminal alpha/beta domain that may be involved in the recognition of the anticodon stem and loop of tRNA(His). The aminoacylation reaction follows the standard two-step mechanism. HisRS also belongs to the group of aaRS that can rapidly synthesize diadenosine tetraphosphate, a compound that is suspected to be involved in several regulatory mechanisms of cell metabolism. Many analogs of histidine have been tested for their properties as substrates or inhibitors of HisRS, leading to the elucidation of structure-activity relationships concerning configuration, importance of the carboxy and amino group, and the nature of the side chain. HisRS has been found to act as a particularly important antigen in autoimmune diseases such as rheumatic arthritis or myositis. Successful attempts have been made to identify epitopes responsible for the complexation with such auto-antibodies.
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Affiliation(s)
- W Freist
- Max-Planck-Institut für experimentelle Medizin, Abteilung Molekulare Biologie Neuronaler Signale, Göttingen, Germany
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Okada Y. Historical overview of research on the tobacco mosaic virus genome: genome organization, infectivity and gene manipulation. Philos Trans R Soc Lond B Biol Sci 1999; 354:569-82. [PMID: 10212936 PMCID: PMC1692538 DOI: 10.1098/rstb.1999.0408] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Early in the development of molecular biology, TMV RNA was widely used as a mRNA [corrected] that could be purified easily, and it contributed much to research on protein synthesis. Also, in the early stages of elucidation of the genetic code, artificially produced TMV mutants were widely used and provided the first proof that the genetic code was non-overlapping. In 1982, Goelet et al. determined the complete TMV RNA base sequence of 6395 nucleotides. The four genes (130K, 180K, 30K and coat protein) could then be mapped at precise locations in the TMV genome. Furthermore it had become clear, a little earlier, that genes located internally in the genome were expressed via subgenomic mRNAs. The initiation site for assembly of TMV particles was also determined. However, although TMV contributed so much at the beginning of the development of molecular biology, its influence was replaced by that of Escherichia coli and its phages in the next phase. As recombinant DNA technology developed in the 1980s, RNA virus research became more detached from the frontier of molecular biology. To recover from this setback, a gene-manipulation system was needed for RNA viruses. In 1986, two such systems were developed for TMV, using full-length cDNA clones, by Dawson's group and by Okada's group. Thus, reverse genetics could be used to elucidate the basic functions of all proteins encoded by the TMV genome. Identification of the function of the 30K protein was especially important because it was the first evidence that a plant virus possesses a cell-to-cell movement function. Many other plant viruses have since been found to encode comparable 'movement proteins'. TMV thus became the first plant virus for which structures and functions were known for all its genes. At the birth of molecular plant pathology, TMV became a leader again. TMV has also played pioneering roles in many other fields. TMV was the first virus for which the amino acid sequence of the coat protein was determined and first virus for which cotranslational disassembly was demonstrated both in vivo and in vitro. It was the first virus for which activation of a resistance gene in a host plant was related to the molecular specificity of a product of a viral gene. Also, in the field of plant biotechnology, TMV vectors are among the most promising. Thus, for the 100 years since Beijerinck's work, TMV research has consistently played a leading role in opening up new areas of study, not only in plant pathology, but also in virology, biochemistry, molecular biology, RNA genetics and biotechnology.
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Affiliation(s)
- Y Okada
- Department of Bioscience, Teikyo University, Utsunomiya, Japan
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Viral Sequences. Viruses 1987. [DOI: 10.1016/b978-0-12-512516-1.50005-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Florentz C, Mengual R, Briand JP, Giegé R. Large-scale purification of the 3'-OH-terminal tRNA-like sequence (n = 159) of turnip-yellow-mosaic-virus RNA. EUROPEAN JOURNAL OF BIOCHEMISTRY 1982; 123:89-93. [PMID: 7067700 DOI: 10.1111/j.1432-1033.1982.tb06502.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
In order to undertake structural and functional studies on the 3'-terminal part of turnip yellow mosaic virus RNA, a structure which can be specifically aminoacylated by valyl-tRNA synthetase, we have developed large-scale methods for purifying the tRNA-like sequence. Several experimental approaches were tested. One procedure was retained enabling us to purify large quantities of the homogeneous tRNA-like fragment. Starting from 1.5 g turnip yellow mosaic virus, one obtains 400 mg RNA, which is partially digested by T1 ribonuclease and which yields 1-2 mg pure tRNA-like fragment after three chromatographic steps: two filtrations on Ultrogel ACA 54 and one reverse-phase chromatography (RPC 5) in the presence of urea. A method has been worked out allowing preparation of 10 mg of the fragment per month. The purified RNA material appeared homogeneous upon polyacrylamide gel electrophoresis under denaturing conditions. The isolated tRNA-like structure can be valylated to an extent of 100% in the presence of purified yeast valyl-tRNA synthetase with kinetic parameters resembling those of the tRNAVal aminoacylation.
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Haenni AL, Joshi S, Chapeville F. tRNA-like structures in the genomes of RNA viruses. PROGRESS IN NUCLEIC ACID RESEARCH AND MOLECULAR BIOLOGY 1982; 27:85-104. [PMID: 6285419 DOI: 10.1016/s0079-6603(08)60598-x] [Citation(s) in RCA: 131] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Purification and characterization of a HeLa cell transfer RNA(cytosine-5-)-methyltransferase. J Biol Chem 1980. [DOI: 10.1016/s0021-9258(19)85542-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Guilley H, Jonard G, Kukla B, Richards KE. Sequence of 1000 nucleotides at the 3' end of tobacco mosaic virus RNA. Nucleic Acids Res 1979; 6:1287-308. [PMID: 109810 PMCID: PMC327773 DOI: 10.1093/nar/6.4.1287] [Citation(s) in RCA: 98] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The sequence of 1000 nucleotides at the 3' end of tobacco mosaic virus RNA has been determined. The sequence contains the entire coat protein cistron as well as regions to its left and right. Sequence characterization was by conventional methods for use with uniformly 32P labeled RNA complemented by newer methods for in vitro 5' and 3' 32P end-labeling of RNA and its subsequent rapid analysis. The noncoding region separating the coat protein cistron from the 3' terminus is 204 residues long and may be folded into a clover-leaf-type secondary structure. The distribution of termination codons to the left of the coat protein cistron suggests that the end of the adjacent cistron is separated from the beginning of the coat protein cistron by only two nucleotides. The subgenomic viral coat protein mRNA was isolated from infected tissue and shown to be capped. The nontranslated sequence separating the cap from the AUG initiation codon is 9 residues long and thus overlaps a portion of the adjacent cistron on the genome RNA.
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Koper-Zwarthoff EC, Bol JF. 3'-Terminal nucleotide sequence of alfalfa mosaic virus RNA 4. Proc Natl Acad Sci U S A 1979; 76:1114-7. [PMID: 108677 PMCID: PMC383199 DOI: 10.1073/pnas.76.3.1114] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The sequence of the 3'-terminal 91 nucleotides of alfalfa mosaic virus RNA 4, the messenger for the viral coat protein, has been elucidated. A fragment containing the 3' terminus of the RNA was obtained by mild digestion with RNase T1. The primary structure of the fragment was deduced by labeling it in vitro at its 5' terminus and application of RNA sequencing techniques. The sequence is completely extracistronic and is believed to contain the binding sites for the viral coat protein and replicase.
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Dasgupta R, Kaesberg P. Sequence of an oligonucleotide derived from the 3' end of each of the four brome mosaic viral RNAs. Proc Natl Acad Sci U S A 1977; 74:4900-4. [PMID: 270723 PMCID: PMC432064 DOI: 10.1073/pnas.74.11.4900] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
A 3'-terminal oligonucleotide fragment, 161 bases long, can be obtained from each of the four brome mosaic virus RNAs by means of nuclease digestion. Like the four intact brome mosaic virus RNAs, each fragment accepts tyrosine in a reaction catalyzed by wheat germ aminoacyl-tRNA synthetase. The complete nucleotide sequence of the RNA 4 fragment has been determined by use of standard radiochemical methods. Comparative data for the fragments from RNAs 1, 2, and 3 show that they have nearly the same sequence as the RNA 4 fragment. The eight bases adjacent to the 3' terminus of the RNA 4 fragment are identical in sequence to the eight terminal bases of tyrosine tRNA from Torula utilis and eleven interior bases are identical in sequence to eleven bases encompassing the anticodon region of tyrosine tRNA from Saccharomyces cerevisiae, T. utilis, and Escherichia coli. Nevertheless, reasonable base-pairing schemes yield, at best, a distorted cloverleaf secondary structure.
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Lot H, Jonard G, Richards K. Cucumber mosaic virus RNA 5. Partial characterization and evidence for no large sequence homologies with genomic RNAs. FEBS Lett 1977; 80:395-400. [PMID: 891991 DOI: 10.1016/0014-5793(77)80484-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Briand JP, Jonard G, Guilley H, Richards K, Hirth L. Nucleotide sequence (n=159) of the amino-acid-accepting 3'-OH extremity of turnip-yellow-mosaic-virus RNA and the last portion of its coat-protein cistron. EUROPEAN JOURNAL OF BIOCHEMISTRY 1977; 72:453-63. [PMID: 837924 DOI: 10.1111/j.1432-1033.1977.tb11269.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The experiments described in this paper and the following one establish the sequence of the 3'-OH terminal 159 nucleotides of turnip yellow mosaic virus RNA. Uniformly 32P-labeled turnip yellow mosaic virus RNA was partially digested with T1 ribonuclease and the fragments were fractionated by polyacrylamide gel electrophoresis. Fragments originating from the 3'-OH end of the RNA molecule were identified by testing for the 3'-terminal oligonucleotide, C-COH, after total U2 ribonuclease hydrolysis. Once identified, the 3'-OH terminal fragments were sequenced by the methods of Sanger et al. The first 51 nucleotides of the longest of the sequenced fragments (158 nucleotides) extends into the 3'-terminal part of the coat protein cistron. The coat protein cistron is followed by a stretch of 108 untranslated nucleotides whose function, though still unknown, is probably linked to the tRNA-like properties which have been attributed to the 3'-OH extremity of this viral RNA. Two possible secondary structures are proposed for the sequence and the implications of the findings with regard to the tRNA-like properties of the extremity are discussed.
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Silberklang M, Prochiantz A, Haenni AL, Rajbhandary UL. Studies on the sequence of the 3'-terminal region of turnip-yellow-mosaic-virus RNA. EUROPEAN JOURNAL OF BIOCHEMISTRY 1977; 72:465-78. [PMID: 402264 DOI: 10.1111/j.1432-1033.1977.tb11270.x] [Citation(s) in RCA: 157] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A fragment representing the 3'-terminal 'tRNA-like' region of turnip yellow mosaic (TYM) virus RNA has been purified following incubation of intact TYM virus RNA with Escherichia coli 'RNase P'. This fragment, which is 112+3-nucleotides long has been completely digested with T1 RNase and pancreatic RNase and all the oligonucleotides present in such digests have been sequenced using 32P-end labelling techniques in vitro. The TYM virus RNA fragment is free of modified nucleosides and does not contain a G-U-U-C-R sequence. Using nuclease P1 from Penicillium citrinum, the sequence of 26 nucleotides from the 5' end and 16 nucleotides from the 3' end of this fragment has been deduced. The nucleotide sequence at the 5' end of the TYM virus RNA fragment indicates that this fragment includes the end of the TYM virus coat protein gene.
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Jonathan P, Butler G, Durham AC. Tobacco mosaic virus protein aggregation and the virus assembly. ADVANCES IN PROTEIN CHEMISTRY 1977; 31:187-251. [PMID: 337776 DOI: 10.1016/s0065-3233(08)60219-3] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Abstract
For the purpose of attempting to generalize the rules concerning morphogenesis of helical viruses, the in vitro reconstitution of the CAM strain of TRV was studied. The conditions for reconstitution and the importance of the aggregation state of the protein for initiation and elongation are compared with those of TMV. The initiation step consisting of the binding of RNA with the 36S disk of protein was easily accomplished. The polarity and the specificity of encapsidation of TRV RNA by homologous and heterologous viral protein is discussed.
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Hunter TR, Hunt T, Knowland J, Zimmern D. Messenger RNA for the coat protein of tobacco mosaic virus. Nature 1976; 260:759-64. [PMID: 1264250 DOI: 10.1038/260759a0] [Citation(s) in RCA: 223] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
TMV RNA is not an efficient template for translation of the viral coat protein, in spite of containing nucleotide sequences coding for the protein. Efficient translation requires the prior synthesis within infected cells of a smaller RNA carrying only a portion of the information encoded in the whole genome.
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Briand JP, Richards KE, Bouley JP, Witz J, Hirth L. Stucture of the amino-acid accepting 3'-end of high-molecular-weight eggplant mosaic virus RNA. Proc Natl Acad Sci U S A 1976; 73:737-41. [PMID: 1062783 PMCID: PMC335993 DOI: 10.1073/pnas.73.3.737] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The sequence of the first 59 nucleotides from the 3'-OH terminus of high-molecular-weight eggplant mosaic virus RNA has been determined by standard radio-chemical techniques. The fragment was identified among the products of partial T1 RNase digestion by making use of the reverse migration, at pH 2.5, of the 3'-OH terminal oligonucleotide. No abnormal bases were found. A model of secondary structure may be constructed for this fragment, which is known to fix valine in the presence of valyl-tRNA synthetase. Its relation to the structures of genuine tRNAs and to the 3'-OH termini of other viral RNAs that also accept amino acids is discussed.
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Lamy D, Jonard G, Guilley H, Hirth L. Comparison between the 3'OH end RNA sequence of two strains of tobacco mosaic virus (TMV) which may be aminoacylated. FEBS Lett 1975; 60:202-4. [PMID: 1227955 DOI: 10.1016/0014-5793(75)80451-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Abstract
RNA extracted from CsC1-purified virions of tobacco mosaic virus is shown to give rise to an unusual nucleotide on digestion which RNAase T2, in addition to the four major nucleotides. This minor component has the electrophoretic characteristics of a phosphorylated end group, but is partially resistant to bacterial alkaline phosphatase. It is, however, a substrate for venom phosphodiesterase or nucleotide pyrophosphatase, yielding products which imply the structure m7G5'ppp5'Gp. TMV RNA, like many animal cellular and viral mRNAs recently examined, therefore has a 5' terminus blocked by a methylated nucleotide inverted with respect to the rest of the chain.
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