42 research outputs found

    Antibody engineering and therapeutics conference

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    The 25(th) anniversary of the Antibody Engineering & Therapeutics Conference, the Annual Meeting of The Antibody Society, will be held in Huntington Beach, CA, December 7-11, 2014. Organized by IBC Life Sciences, the event will celebrate past successes, educate participants on current activities and offer a vision of future progress in the field. Keynote addresses will be given by academic and industry experts Douglas Lauffenburger (Massachusetts Institute of Technology), Ira Pastan (National Cancer Institute), James Wells (University of California, San Francisco), Ian Tomlinson (GlaxoSmithKline) and Anthony Rees (Rees Consulting AB and Emeritus Professor, University of Bath). These speakers will provide updates of their work, placed in the context of the substantial growth of the industry over the past 25 years

    Construction and behavior of engineered minichromosomes in maize

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    Engineered minichromosomes were constructed in maize by modifying natural A and supernumerary B chromosomes. By using telomere-mediated chromosomal truncation, it was demonstrated that such an approach is feasible for the generation of minichromosomes of normal A chromosomes by selection of spontaneous polyploid events that compensate for the deficiencies produced. B chromosomes are readily fractionated by biolistic transformation of truncating plasmids. Foreign genes were faithfully expressed from integrations into normal B chromosomes and from truncated miniB chromosomes. Site-specific recombination between the terminal transgene on a miniA chromosome and a terminal site on a normal chromosome was demonstrated. It was also found that the miniA chromosome did not pair with its progenitor chromosomes during meiosis, indicating a useful property for such constructs. The miniB chromosomes are faithfully transmitted from one generation to the next but can be changed in dosage in the presence of normal B chromosomes. This approach for construction of engineered chromosomes can be easily extended to other plant species because it does not rely on cloned centromere sequences, which are species-specific. These platforms will provide avenues for studies on plant chromosome structure and function and for future developments in biotechnology and agriculture
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