DNA under force

John Palmeri (1)

1 L2C - Laboratoire Charles Coulomb

We model single-molecule experiments on double-stranded B-DNA stretching that have revealed one or two structural transitions, when increasing the external force. They are characterized by a sudden increase of DNA contour length and a decrease of the bending rigidity.

Domaines: Biophysique [physics.bio-ph]; Matière Molle [cond-mat.soft]; Mécanique statistique [cond-mat.stat-mech]

John Palmeri. DNA under force. 5th GRISBi Meeting (Groupement de Recherche Interdisciplinaire sur les Systèmes Biologiques), Oct 2013, Montpellier, France. ⟨hal-01947033⟩