Frédéric Przybilla

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The HIV-1 nucleocapsid protein (NCp7) is a nucleic acid chaperone required during reverse transcription. During the first strand transfer, NCp7 is thought to destabilize cTAR, the (-)DNA copy of the TAR RNA hairpin, and subsequently direct the TAR/cTAR annealing through the zipping of their destabilized stem ends. To further characterize the destabilizing(More)
Reverse transcriptase (RT) of human immunodeficiency virus-1 (HIV-1) is a multifunctional enzyme that catalyzes the conversion of the single stranded viral RNA genome into double-stranded DNA, competent for host-cell integration. RT is endowed with RNA- and DNA-dependent DNA polymerase activity and DNA-directed RNA hydrolysis (RNase H activity). As a key(More)
During HIV-1 reverse transcription, the single-stranded RNA genome is converted into proviral double stranded DNA by Reverse Transcriptase (RT) within a reverse transcription complex composed of the genomic RNA and a number of HIV-1 encoded proteins, including the nucleocapsid protein NCp7. Here, we developed a one-step and one-pot RT polymerization assay.(More)
Upconverting nanoparticles (UCNPs) are luminophores that have been investigated for a multitude of biological applications, notably low-background imaging, high-sensitivity assays, and cancer theranostics. In these applications, they are frequently used as a donor in resonance energy transfer (RET) pairs. However, because of the peculiarity and(More)
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