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Tomato bushy stunt virus is a tombusvirus^[1] first reported in tomatoes in 1935. Depending upon the host, TBSV causes stunting of growth, leaf mottling, and deformed or absent fruit. The virus is transmitted manually through the use of contaminated cutting tools. A wide variety of species are affected.

The virus is a spherical virus with a triangulation number of T = 3, hence it has 180 subunits of capsid protein. In 1978, its structure was determined by x-ray crystallography by Stephen C. Harrison.^[2]

The genome of TBSV is a single-stranded positive-sense RNA of ~4800 nucleotides.^[3] The virus encodes 5 genes, to express a replicase composed of two proteins (P33 and P92), a capsid protein (CP) of 42 kilodaltons, as well as p19 and P22. The P22 protein is primarily associated with cell to cell movement. The p19 protein is a pathogenicity factor and functions by suppressing the RNA silencing pathway. p19 binds viral derived short-interfering RNAs and prevents their incorporation into the RNA-induced Silencing Complex (RISC), thereby allowing viral propagation in the host plant. ^[4]

References

^ Mahy, Brian W. J.; Regenmortel, Marc H. V. Van (2009-10-15). Desk Encyclopedia of Plant and Fungal Virology. Academic Press. pp. 445–. ISBN 9780123751485. Retrieved 4 December 2012.
^ Hellemans, Alexander; Bunch, Bryan H. (1988). The timetables of science: a chronology of the most important people and events in the history of science. Simon and Schuster. ISBN 9780671621308. Retrieved 4 December 2012.
^ Wagner, Edward K.; Hewlett, Martinez J.; Bloom, David C.; David Camerini (2007-11-06). Basic Virology. John Wiley & Sons. pp. 268–. ISBN 9781405147156. Retrieved 4 December 2012.
^ http://www.ncbi.nlm.nih.gov/pubmed/7491767

This plant virus article is a stub. You can help Wikipedia by expanding it.

English Journal

Tomato bushy stunt viruses (TBSV) in nanotechnology investigated by scanning force and scanning electron microscopy.

Lüders A, Müller C, Boonrod K, Krczal G, Ziegler Ch.SourceDepartment of Physics and Research Center OPTIMAS, University of Kaiserslautern, D-67663 Kaiserslautern, Germany.
Colloids and surfaces. B, Biointerfaces.Colloids Surf B Biointerfaces.2012 Mar 1;91:154-61. Epub 2011 Nov 3.
Spherical plant viruses like the tomato bushy stunt virus (TBSV) allow for multiple applications in nanotechnology due to their shape. In this article, different types of the virus were created by extending coat protein (CP) at carboxylic termini with 2 different charged amino acids by point mutatio
PMID 22130526

Host impact on the stability of a plant virus gene vector as measured by a new fluorescent local lesion passaging assay.

Seaberg BL, Hsieh YC, Scholthof KB, Scholthof HB.SourceDepartment of Plant Pathology and Microbiology, Texas A&M University, 2132 TAMU, College Station, TX 77843, United States.
Journal of virological methods.J Virol Methods.2012 Feb;179(2):289-94. Epub 2011 Nov 19.
Viruses can be used as vectors for transient expression of proteins in plants but frequently foreign gene inserts are not maintained stably over time due to recombination events. In this study the hypothesis was that the choice of plant host affects the foreign gene retention level by a Tomato bushy
PMID 22119627

Synergistic Roles of Eukaryotic Translation Elongation Factors 1Bγ and 1A in Stimulation of Tombusvirus Minus-Strand Synthesis.

Sasvari Z, Izotova L, Kinzy TG, Nagy PD.SourceDepartment of Plant Pathology, University of Kentucky, Lexington, Kentucky, United States of America.
PLoS pathogens.PLoS Pathog.2011 Dec;7(12):e1002438. Epub 2011 Dec 15.
Host factors are recruited into viral replicase complexes to aid replication of plus-strand RNA viruses. In this paper, we show that deletion of eukaryotic translation elongation factor 1Bgamma (eEF1Bγ) reduces Tomato bushy stunt virus (TBSV) replication in yeast host. Also, knock down of eEF1Bγ l
PMID 22194687

Japanese Journal

トルコギキョウに発生する2種トンブスウイルスのRT-PCR法による識別検出

伊山幸秀,守川俊幸,島嘉輝 [他]
北陸病害虫研究会報 (58), 19-23, 2009-12
NAID 40017017388

トルコギキョウのえそ萎縮症状株から分離された二種のトンブスウイルス

藤永真史,守川俊幸,土井誠,米山千温,IBRAHIM M.,小木曽秀紀,宮本賢二,宮坂昌実,大木健広,亀谷満朗,夏秋知英
日本植物病理學會報 72(2), 109-115, 2006-05-25
… In a comparison of the amino acid sequence of the CP genes, Shiz-1 had high identity with that of Tomato bushy stunt virus-nipplefruit strain (TBSV-Nf), whereas Nag-4 shared less than 87% identity with sequences reported for tombusviruses, suggesting that the virus might be a new species in the genus Tombusvirus. …
NAID 110004738314

Related Pictures

★リンクテーブル★

リンク元	「トマトブッシースタントウイルス」
関連記事	「TB」

「トマトブッシースタントウイルス」

Tomato bushy stunt virus
Virus classification
Group:	Group IV ((+)ssRNA)
Order:	Unassigned
Family:	Tombusviridae
Genus:	Tombusvirus
Species:	Tomato bushy stunt virus

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英: [[]]
同: TBSV
関: [[]]

同: TBSV

「TB」

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[MahyRegenmortel2009-1] Mahy, Brian W. J.; Regenmortel, Marc H. V. Van (2009-10-15). Desk Encyclopedia of Plant and Fungal Virology. Academic Press. pp. 445–. ISBN 9780123751485. Retrieved 4 December 2012.

[HellemansBunch1988-2] Hellemans, Alexander; Bunch, Bryan H. (1988). The timetables of science: a chronology of the most important people and events in the history of science. Simon and Schuster. ISBN 9780671621308. Retrieved 4 December 2012.

[WagnerHewlett2007-3] Wagner, Edward K.; Hewlett, Martinez J.; Bloom, David C.; David Camerini (2007-11-06). Basic Virology. John Wiley & Sons. pp. 268–. ISBN 9781405147156. Retrieved 4 December 2012.

[4] ttp://www.ncbi.nlm.nih.gov/pubmed/7491767

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TBSV