Non-seasonal flu vaccine slides closer to reality

University of Pennsylvania researchers have discovered a right-handed, antiparallel double-helix inside influenza ribonucleoprotein complexes that slides strand-against-strand as the viral polymerase copies RNA, offering ...

Unraveling the G4 knot: How cells untie DNA to protect the genome

Not all DNA looks like the familiar twisted ladder. Sometimes, parts of our genetic code fold into unusual shapes. One such structure, the G-quadruplex (G4), looks like a knot. These knots can play important roles in turning ...

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