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The utility of green fluorescent protein (GFP) for biological research is evident. A fluorescence-based method was developed to quantify GFP levels in transgenic plants and protein extracts. Fluorescence intensity was linear with increasing levels of GFP over a range that encompasses transgene expression in plants by the cauliflower mosaic virus 35S promoter. Standard curves were used to estimate...
AbstractA dual marker plasmid comprising the reporter gene sgfp (green fluorescent protein) and the selectable bar gene (Basta tolerance) was constructed by replacing the uidA (-glucuronidase, GUS) gene in a uidA-bar construct with sgfp. A particle inflow gun was used to propel tungsten particles coated with this plasmid into immature inflorescence-derived embryogenic callus of switchgrass (Panicum...
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