نتایج جستجو برای: biolistic
تعداد نتایج: 324 فیلتر نتایج به سال:
Leaves undergo a sink-source transition during which a physiological change occurs from carbon import to export. In sink leaves, biolistic bombardment of plasmids encoding GFP-fusion proteins demonstrated that proteins with an Mr up to 50 kDa could move freely through plasmodesmata. During the sink-source transition, the capacity to traffic proteins decreased substantially and was accompanied b...
The ability to introduce isolated DNA into cells has tremendous influence on advances of molecular biology. Recently, with the development of attractive strategies for gene therapy, successful gene delivery has gained importance once again and become a major challenge in this field. During the past decades, a wide repertoire of gene transfer techniques has evolved. The intentional introduction ...
Plant genetic engineering has become one of the most important molecular tools in the modern molecular breeding of crops. Over the last decade, significant progress has been made in the development of new and efficient transformation methods in plants. Despite a variety of available DNA delivery methods, Agrobacterium- and biolistic-mediated transformation remain the two predominantly employed ...
Šafářová D., Brázda P., Navrátil M. (2014): Effect of artificial dsRNA on infection of pea plants by Pea seedborne mosaic virus. Czech J. Genet. Plant Breed., 50: 105–108. The effect of direct application of artificial dsRNA molecules derived from the viral coat protein gene and the possibility of RNA interference induction leading to protection against Pea seed borne mosaic virus (PSbMV) have ...
We report here a 100-fold increased frequency of plastid transformation in tobacco by selection for a chimeric aadA gene encoding aminoglycoside 3"-adenylyltransferase, as compared with that obtained with mutant 16S rRNA genes. Expression of aadA confers resistance to spectinomycin and streptomycin. In transforming plasmid pZS197, a chimeric aadA is cloned between rbcL and open reading frame OR...
Neurites and other cell processes encounter localized deposits of signaling factors as they grow. The difficulty in generating patterned artificial substrates has hindered the analysis of these instructive factors in vitro. Here we report a simple method for presenting cultured cells with small spots of protein on an otherwise uniform substrate. We use a biolistic device called a gene gun to de...
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