Blar i forfatter "van den Berg, Johnnie"

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    • Cry1Ab Protein from Bacillus thuringiensis and MON810 cry1Ab-transgenic Maize Exerts No Adjuvant Effect After Airway Exposure 

      Andreassen, Monica; Bøhn, Thomas; Wikmark, Odd Gunnar; van den Berg, Johnnie; Løvik, Martinus; Traavik, Terje; Nygaard, Unni Cecilie (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-02-24)
      The genetically modified (GM) maize event MON810 has been inserted with a processed version of the transgene, cry1Ab, derived from the soil bacterium Bacillus thuringiensis (Bt) to express proteins with insecticidal properties. Such proteins may introduce new allergens and also act as adjuvants that promote allergic responses. While focus has been on safe consumption and hence the oral exposure to ...

    • Humoral and cellular immune responses in mice after airway administration of Bacillus thuringiensis Cry1Ab and MON810 cry1Ab-transgenic maize 

      Andreassen, Monica; Rocca, Elena; Bøhn, Thomas; Wikmark, Odd Gunnar; van den Berg, Johnnie; Løvik, Martinus; Traavik, Terje; Nygaard, Unni Cecilie (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
      Genetically modified (GM) crops may bring new proteins with immunogenic and allergenic properties into the food and feed chains. The most commonly grown GM maize, MON810, expresses a modified version of the insecticidal Cry1Ab protein originating in the soil bacterium Bacillus thuringiensis(Bt). Immune reactions following inhalation of pollen and debris from such plants have been scarcely studied. ...

    • Implications of GM crops in subsistence-based agricultural systems in Africa 

      Aheto, Denis; Bøhn, Thomas; Breckling, Broder; van den Berg, Johnnie; Ching, Lim Li; Wikmark, Odd Gunnar (Chapter; Bokkapittel, 2013)
      <p>Africa has deep contentions on the use of GM crops in agriculture, similar to those found in Europe and elsewhere. However, it is apparent that the debate is most protracted on the continent with two entrenched viewpoints i.e. the pro-GMO and anti-GMO groups. The challenge for an acceptable consensus is attributable to a complexity of issues relative to the introduction of GM maize into small-scale ...