Difference between revisions of "Part:BBa K4245130"
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<partinfo>BBa_K4245130 short</partinfo>
 
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This part is a fluorophore molecule labeled with a 6-caryboxy-uroescein (FAM) at the 5’ end designed by researchers of Key Lab at Shaanxi Normal University (Zhou et. al, 2014). When used with BBa_K424132, a quencher molecule labeled with a Black Hole Quencher (BHQ1) at the 3’ end, the parts form a reporter mechanism known as linear DNA probes. Quenchers are molecules that absorb energy from a fluorophore and re-emit a large portion of that energy as either heat or visible light (Ogawa et al., 2009). When a fluorophore and quencher are in proximity, the quencher absorbs the energy released by the excited fluorophore, preventing fluorescence emission (see Fig. 1). When the two molecules are far apart, the quencher can no longer absorb the fluorophore's emission, allowing detection of the fluorescence emission.
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                            Figure 1. Diagram showing FRET between the fluorophore and quencher.
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The fluorophore and quencher can bind to a complementary sequence (BBa_K4245131), which aligns the probes head-to-head. This proximity allows the quencher to suppress the natural fluorescence emitted by the fluorophore, resulting in no fluorescence output. Therefore, an increase in BBa_K4245131 results in a decrease in fluorescence.
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<!-- Add more about the biology of this part here
 
<!-- Add more about the biology of this part here

Revision as of 03:16, 8 October 2022


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