Word: gfp
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Last October, Guan began working with the green fluorescent protein (GFP) to “improve activities of proteins and enzymes...
According to Guan, part of the theory behind her research, discovered by members of the lab team she works with, is that proteins that are not water-soluble tend to clump together, thereby diminishing the ability of each protein to function. When the residues of these GFP proteins are positively charged, however, they have the ability to penetrate cell walls. Additionally, these super-charged proteins demonstrated the ability to carry nucleic, and even genomic, material into cells if the material was negatively charged...
Though many of the details concerning the current experiments going on in the Liu laboratory are classified information, Guan continues to help the team investigate properties of the GFP proteins and expand upon recent discoveries...
...Japanese scientist joined a researcher from Princeton, Frank Johnson, to successfully isolated a specific glowing protein, now known as the GFP, in the crystal jelly...
...vivid demonstration, Dowling attaches GFP protein to the promoter regions of photoreceptor genes, so that a highly fluorescent protein is produced. This serves as a marker for how the rod cells develop and, as Dowling notes, “it enables us to find mutants who have specific defects in the development of photoreceptor cells.” This marker helps to mutant behavior to specific structural defects...