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Topic: CaMV


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In the News (Sat 26 Dec 09)

  
  "Genetically Modified Plants and the 35S Promoter: Assessing the Risks and Enhancing the Debate"
The CaMV genome was the first significant piece of plant DNA to be completely sequenced (Frank et al., 1980) and the two CaMV promoters, the 35S and 19S promoters, were the first plant promoters identified (Covey et al., 1981; Hull and Covey, 1983c; Odell et al., 1995).
CaMV can infect a wide range of crucifers (see Schoelz and Bourque, 1999) and is commonly found in cabbages, cauliflowers, oilseed rape, mustard and other brassicas in temperate countries (Tomlinson, 1987).
CaMV was the first plant virus shown to involve reverse transcription in its replication (Hull and Covey, 1983b; Pfeiffer and Hohn, 1983) but has now been joined by more than a thirty other plant viruses which have the same replication mechanism.
www.biotech-info.net /enhancing_debate.html   (3354 words)

  
 ISIS News no.3 index
GNA was chosen because previous studies by the authors showed the effects of the lectin on the rat small bowel have been ‘minimal’, at least when fed on large amounts of the lectin for ten days or less.
Like all viruses, CaMV is a genetic parasite that has the capability to infect cells and hi-jack the cell to make many copies of itself in a short period of time.
Furthermore, the CaMV promoter recombination hotspot strongly resembles the borders of the T-DNA vector carrying the transgenes, which are also known to be prone to recombination.
www.i-sis.org.uk /i-sisnews3.htm   (8667 words)

  
 Lab Manual Exercise #3
It is one component of an operon, a group of structural and regulating genes that functions as a single unit.
Transcription begins when the enzyme RNA polymerase attaches to the promoter.] The CAMV promoter is used in many GM plants because it is more powerful than other promoters, is active in both angiosperms and gymnosperms, and is not greatly influenced by the environment or tissue type.
The presence of CaMV promoter DNA in food crops is evidence of transgenic contamination.
waynesword.palomar.edu /lmexer3.htm   (4123 words)

  
 Plant improvement - Open Encyclopedia   (Site not responding. Last check: 2007-10-22)
Using plant viruses to insert genetic constructs into plants is also a possibility, but the technique is limited by the host range of the virus.
For example Cauliflower Mosaic Virus (CaMV) only infects cauliflowers.
The majority of commercially relased transgenic plants, commonly referred to as genetically modified organisms are currently limited to plants that have introduced resistanace to insect pests and herbicides.
open-encyclopedia.com /Plant_improvement   (1094 words)

  
 Monsanto - SourceWatch   (Site not responding. Last check: 2007-10-22)
Says Science 3/1/2002 "Surprisingly, even Quist and Chapela's most strident critics agree with one of their central points: Illicit transgenic maize may well be growing in Mexico....
At a 23 January meeting in Mexico City, CINVESTAV official Elleli Huerta presented preliminary PCR findings indicating that transgenic promoters, mostly CaMV 35S, were present in about 12% of the plants.
In some areas, up to 35.8% of the grain contained foreign sequences, INE scientific adviser Sol Ortiz Garcia told Science last week." "This is the world's worst case of contamination by genetically modified material because it happened in the place of origin of a major crop.
www.sourcewatch.org /index.php?title=Monsanto   (2013 words)

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