Plant Science


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0 Q&A 12726 Views Jan 5, 2014
Biolistic bombardment is based on coating of tungsten or gold particles with DNA and delivery of these “biobullets” into living plant cells under high pressure (Sudowe and Reske-Kunz, 2013). This method enables transient expression of a DNA construct encoding fusion of the protein of interest to a fluorescence protein e.g. GFP for microscopic approaches. Usually it is performed for plants for which infiltration with Agrobacterium tumefaciens does not work efficiently e.g. model plant Arabidopsis thaliana (Ueki et al., 2009). Although transfection rate is relatively low, it is still sufficient to analyze subcellular localization of the protein of interest under a fluorescence microscope. Here we present the protocol that was optimized for Nicotiana benthamiana and also successfully applied to Phaseolus vulgaris (Giska et al., 2013).
0 Q&A 8996 Views Aug 20, 2013
Particle bombardment has been shown to be a useful method to study gene promoter regulatory elements by transient transformation of maize embryos with different constructions of gene promoters fused to a gene reporter. DNA to transfer is coated to high density gold microparticles and introduced into cells when accelerated by a helium pulse. This method allows a first rapid approach, avoiding time consuming stable transformation of maize plants and also allows quantitative promoter expression analysis by a histochemical or fluorometric assay.

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