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Topic: TMV


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In the News (Fri 18 Dec 09)

  
 Florinet Floriculture Newsletter - Tomato Mosaic Virus
TMV is not a new virus, as a matter of fact, it was the first plant virus to be identified and it is the most studied of the hundreds of plant viruses known today.
TMV has the potential to be very destructive particularly if it escapes early detection in the host crop.
In order to identify TMV as soon as possible it is important that the grower be able to recognize the symptoms associated in an infected host.
floriculture.osu.edu /archive/mar03/TMV.html   (835 words)

  
 General TMV History   (Site not responding. Last check: 2007-10-22)
TMV is an RNA-virus that infects plants showing characteristic discoloration on the leaves.
Recently TMV has been utilized by molecular biologists as a vehicle to deliver and express foreign sequences in plants and as a model system for virus-host interactions (Knapp and Lewandowski, 2001).
TMV's RNA sequence has been published in "American Chemical Society's Chemical Abstracts" in 1972 as a single word, Acetylseryltyrosylserylisol...serine, which supposedly is the longest word in the English language.
www.udel.edu /chem/bahnson/chem645/websites/Spraggins/General_TMV_History.html   (241 words)

  
 APSnet Feature - 1898 -The beginning of Virology...time marches on.   (Site not responding. Last check: 2007-10-22)
In that time, TMV was the first virus to be purified in pure crystal form, the first pathogen to be passed through filter candles, and the first virus to be identified as composed of an infectious nucleic acid.
In the 1960s and 1970s, TMV was a key component in the shift to molecular work in viruses, particularly with regard to the understanding of genetic information and the biological role of virus encoded proteins.
The history of TMV roughly parallels the early history of the American Phytopathological Society (APS) that was founded in 1908 and celebrates its 90th anniversary this year.
www.apsnet.org /education/feature/TMV/Top.html   (606 words)

  
 Virus Diseases of Tomatoes fact sheet
TMV is one of the most stable viruses known, able to survive in dried plant debris as long as 100 years.
TMV can be seedborne in tomato, is readily transmitted mechanically by human activities, and may be present in tobacco products.
Unlike TMV, CMV is not seedborne in tomato and does not persist in plant debris in the soil or on workers" hands.
vegetablemdonline.ppath.cornell.edu /factsheets/Viruses_Tomato.htm   (1290 words)

  
 RISK ASSESSMENT OF RECOMBINATION AND TRANSCAPSIDATION OF TOBACCO MOSAIC VIRUS WITH THE CUCUMBER MOSAIC VIRUS COAT ...
TMV is a rod-shaped plant virus with a single-stranded RNA genome of 6.4 kb, encoding five proteins involved in virus replication, movement and encapsidation.
The modified TMV cDNA clone was digested with the restriction endonucleases PacI and AccI, which cleave at residues 5785 and 6064, respectively, of the TMV genome, and the ends were made blunt by treatment with the Klenow fragment of E.
Diagram of the TMV genome and of the hybrid viruses T/CMV-0 and T/CMV-1.
www.isb.vt.edu /brarg/brasym96/palukaitis96.htm   (3043 words)

  
 Fresh Market Tomatoes.html   (Site not responding. Last check: 2007-10-22)
Light to dark green mottling of foliage and occasionally on fruit is one symptom of TMV.
TMV is highly infectious and is spread mainly on hands, tools, clothing, and farm equipment that contact foliage.
Insect vectors play only a minor role in the spread of TMV but are extremely important in the spread of other tomato virus diseases.
www.public.iastate.edu /~taber/Extension/tomatoes/tomatoes.html   (5597 words)

  
 LSBC :: Hybrid TMV Vector
Because TMV and related plus-strand RNA viruses are members of the Alphavirus superfamily, consisting of RNA replicons, LSBC has designed a composite system that is manufacturable in commercial quantities cost effectively and has a limited capacity to effect gene expression in mammalian tissue.
These hybrid viral vectors are constructed by growing TMV or related viruses in Nicotiana plants, purifying them to homogeneity, and then isolating their coat protein (CP) subunits away from their native RNA genome.
The TMV virion structure now consists of a repetitive antigen—either monovalent or multivalent—carried and displayed to the immune system on the CP, plus the information to replicate and translate new protein transiently in mammalian antigen-presenting cells, such as Dendritic cells in the skin.
www.lsbc.com /hybridtmv.html   (365 words)

  
 Royal Horticultural Society - Gardening Advice: Virus Diseases of Tomatoes
Fern leaf (CMV, alone or with TMV): leaf blades are reduced to half their width or are not formed at all so that the midribs stand out.
It is probably not worthwhile removing older plants infected with TMV, because considerable spread of the virus may have occurred already.
In a greenhouse, TMV symptoms may be reduced by increasing temperatures slightly.
www.rhs.org.uk /advice/profiles0603/tomato_virus.asp   (851 words)

  
 TB01
Tobacco mosaic virus (TMV) results in losses in North Carolina of about 1 to 2 percent of the crop by reducing the yield and quality of flue-cured tobacco.
Crops planted in North Carolina that are susceptible to TMV are tobacco, tomato, pepper, and eggplant.
Because TMV infects few crops other than tobacco and because the virus survives poorly in the absence of living tissue, crop rotation is a highly effective part of disease management.
www.ces.ncsu.edu /depts/pp/notes/oldnotes/tb1   (1812 words)

  
 The Comatorium Community > When Introducing TMV to Others...   (Site not responding. Last check: 2007-10-22)
TMV are not some sort of cult or religious plan.
she thought i would get into her music (which is the indiest among the indies) but when i told her TMV is one of the best bands i've heard and made her a copy of de-loused, she wouldn't listen to them because they're not indie.
Sep 3 2005, 08:53 AM regardless of how you introduce them, once you play them, or once someone has listened to deloused thouroughly(or frances) i dont understand how people can still not be at least impressed with their talent, yet alone floored by the sound and emotions.
www.thecomatorium.com /board/lofiversion/index.php/t45721.html   (2993 words)

  
 Tobacco mosaic virus (TMV)   (Site not responding. Last check: 2007-10-22)
Tobacco mosaic virus on tomato Mosaic due to TMV on a tomato.
Tobacco mosaic virus on tomato TMV mosaic on tomato leaves.
Tobacco mosaic virus on tomato TMV mosaic on a tomato leaf.
www.inra.fr /Internet/Produits/HYP3/pathogene/6tmv.htm   (180 words)

  
 Novel N Gene-Associated, Temperature-Independent Resistance to the Movement of Tobacco Mosaic Virus Vectors Neutralized ...
Cell-to-cell movement of TMV RNA is temperature-dependent and corresponds to the association of movement protein with microtubules.
A defective movement protein of TMV in transgenic plants confers resistance to multiple viruses whereas the functional analog increases susceptibility.
Identification of the TMV replicase sequence that activates the N gene-mediated hypersensitive response.
jvi.asm.org /cgi/content/full/76/24/12908   (6116 words)

  
 Expression of alfalfa mosaic virus coat protein in tobacco mosaic virus (TMV) deficient in the production of its native ...
The 126- and 183-kDa proteins are required for TMV replication, the 30-kDa protein is the viral movement protein, and CP AUG is the translation-deficient gene of the viral CP.
RNA molecules were separated by electrophoresis in denaturing conditions, transferred to a membrane, and probed with minus-strand RNA resembling 250 5' nt of the TMV genome.
of encapsidating the TMV genomic RNA in vivo.
www.pnas.org /cgi/content/full/96/5/2549   (3481 words)

  
 TMV   (Site not responding. Last check: 2007-10-22)
TMV is a model checker for timed systems, e.g., timed automata, which have real-valued clocks or timer variables in addition to Boolean state variables.
The key theoretical contribution in TMV is a translation of a QSL formula to an equivalent quantified Boolean formula (QBF).
TMV has been successfully applied to the verification of timed circuits.
www.eecs.berkeley.edu /~sseshia/research/tmv.html   (278 words)

  
 Botany online: Plant Viruses and Viroids - Single-Stranded RNA-Viruses - TMV
A number of TMV wild types differing, for example, in their host range or in the primary structure of their coat proteins exist.
He used specific antibodies (indirect fluorescence) in order to prove that both virus antigens are present within a cell.
TMV preparations show usually an abundant amount of particles of variable length.
www.biologie.uni-hamburg.de /b-online/e35/35a.htm   (1817 words)

  
 Rapid identification of a tobacco mosaic virus epitope by using a coat protein gene-fragment-pVIII fusion library -- ...
The deduced amino sequences of ten randomly chosen monoclonal phages isolated after one round of panning and their alignment with the TMV CP sequence are shown.
Amino acid residues that did not reveal a TMV CP sequence were introduced by inverse ligation of a second TMV CP fragment and are shown in bold italics (clone 31).
Serial dilutions of GST-126 and TMV CP were combined with MAb29 to a final concentration of 1·25 nM MAb29 and incubated for 2 h on GST-126-coated plates.
vir.sgmjournals.org /cgi/content/full/82/1/9   (3886 words)

  
 Edmunds TMV Information
TMV pricing for used vehicles is generated by Edmunds using actual transaction data: millions of records of used car sales for thousands of makes, models and styles, in all regions of the country and in all colors, updated on a regular basis.
The Edmunds TMV team then applies a complex and proprietary set of rules to this data to determine TMV prices for individual vehicles.
A complex, proprietary formula for estimating the TMV for new vehicles takes into account a number of factors, including the vehicle's invoice price, manufacturer's suggested retail price, current supply and demand for that vehicle, relative brand strength, and actual transaction prices.
autos.excite.com /tmvPop.html   (486 words)

  
 TMV-OWS
TMV data may be loaded into the system directly from vehicles using wireless ethernet LAN.
Whenever data is transferred, the TMV Office Workstation provides a high level of data verification to protect the integrity of the database.
The primary difference from the MFV system being that the images used to rate are digital still frames from the TMV, not continuous analog video tapes.
www.cmapsystems.com /tmv_ows.htm   (402 words)

  
 Federatie TMV - taxateurs - makelaars - veilinghouders in roerende zaken
Although the Federatie TMV takes great care in providing accurate and up-to-date information, the Federatie TMV makes no warranties or representations as to whether information on this website is accurate, complete or up-to-date.
The Federatie TMV has not verified the accuracy, reliability and completeness of any content of such websites and accepts no responsibility or liability for the content of such websites.
The Federatie TMV retains all rights, including copyrights, in relation to all the information provided on this website, such as texts, graphics, photographs, etc..
www.federatie-tmv.nl /en/disclaimer.php   (236 words)

  
 Tobacco Mosaic Virus: Pioneering Research for a Century -- Creager et al. 11 (3): 301 -- THE PLANT CELL
TMV was also the first virus shown to encode a cell-to-cell
The predicted molecular weights of proteins encoded by the open reading frames (boxes) are given in kilodaltons, and the functions of individual genes are indicated (the function of the putative 54-kD protein is unknown).
TMV mutants were used to confirm the emerging codon dictionary.
www.plantcell.org /cgi/content/full/11/3/301   (4693 words)

  
 SEQUENCE MUTABILITY OF CLONAL VIRAL POPULATIONS DURING LONG-TERM PASSAGING IN DIVERGENT PLANT HOSTS
Many TMV variants have been reported in the literature, and the development of new variants is usually host dependent in some way.
Unfortunately, one cannot compare the mutation frequencies of neutral sequences of the previous study and with those of the native TMV genes of this study, since the frequency of the former was too low to measure.
This is in contrast to the many studies noting the "appearance" of new TMV strains in virus cultures after host shifts.
www.isb.vt.edu /brarg/brasym96/kearney96.htm   (1044 words)

  
 Characterization of tobacco mosaic virus isolated from tomato in India
This sequence was nearly identical to TMV with nine amino acid changes whereas thirty-two changes were observed with ToMV.
This suggests that the virus under study is a strain of TMV and therefore we have named it as tobacco mosaic virus tomato strain from Karnataka, India (TMV(Tom-K)).
strain of TMV and not a strain of ToMV.
www.ias.ac.in /currsci/may25/articles30.htm   (2299 words)

  
 ARS | Publication request: The Helicase Domain of the Tmv Replicase Proteins Induces the N-Mediated Defence Response in ...   (Site not responding. Last check: 2007-10-22)
These results suggest that features of the TMV helicase domain, independent of its enzymatic activity, are recognized by N-containing tobacco to induce TMV resistance.
A previous study indicated that a portion of the TMV replicase containing a putative helicase domain is involved in HR induction.
Here, this observation is confirmed and extended by showing that non-viral expression of a 50 kDa TMV helicase fragment (p50) is sufficient to induce the N-mediated HR in tobacco.
www.ars.usda.gov /research/publications/publications.htm?SEQ_NO_115=138826   (397 words)

  
 A plant virus-encoded protein facilitates long-distance movement of heterologous viral RNA -- Ryabov et al. 96 (4): ...
Exposure time for autoradiography is indicated, and the position of TMV genomic RNA is marked.
GFP is often used as a noninvasive reporter to monitor virus infections (32, 40, 41).
All attempts to generate infectious TMV derivatives producing both GRV ORF3 protein and GFP were unsuccessful.
www.pnas.org /cgi/content/full/96/4/1212   (4430 words)

  
 Tobacco Mosaic Key words: Plant Disease, Tomato, Tobacco Mosaic, TMV   (Site not responding. Last check: 2007-10-22)
It is one of the longest studied viruses contributing much to the understanding of viral structure and the functions of viral genes for viruses in general.
TMV is rod shaped and found in the Tobamovirus family, which is named after TMV.
There are over 150 species of plants, primarily in the Solanaceae family, which TMV affects such as tomatoes, eggplant, spinach, marigold, tobacco, and petunias.
www.ianr.unl.edu /nu-distance/socrates/disease/hort/tomato/ToTMos.html   (337 words)

  
 Identification of a Region of the Tobacco Mosaic Virus 126- and 183-Kilodalton Replication Proteins Which Binds ...
proteins that are essential for cross-linking to the RNA 3'-TR in vitro and for replication of TMV RNA in tomato protoplasts.
It is known that TMV mutants able to express the 183-kDa protein,
bind to TMV RNA in the absence of the 126-kDa protein.
jvi.asm.org /cgi/content/full/77/16/8669   (4775 words)

  
 UCONN IPM: Integrated Pest Management:Greenhouse:Some Virus Diseases of Greenhouse Crops
In recent years, TMV has been reported on ajuga, calibrachoa, cyclamen, epimedium, gerbera, helianthus, impatiens, lisianthus, lysimachia, New Guinea impatiens, nicotiana, pepper, petunia, penstemon, tomato and torenia.
TMV is a very stable virus that can be spread by contact.
TMV can persist in dried tobacco leaves, so tobacco products can also be a source of TMV.
www.hort.uconn.edu /ipm/greenhs/htms/gcrpvirus.htm   (1658 words)

  
 [No title]
Viral coats are made of one (TMV) or more (T4) proteins - can be one or many copies of each protein per virion.
TMV coat protein associates into double discs ("life-savers") of 34 subunits which dislocate into a "lock-washer" helical structure upon interaction with a TMV-RNA.
Assembly process: The nucleation site for TMV assembly on the TMV-RNA (6390 bases) is 1000 bases from the 3'-end at a specific sequence which can form a base-paired hairpin structure.
www.biochem.arizona.edu /classes/bioc461/VirusNotes.htm   (905 words)

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