Effect of Solvent on Stretching and Twisting of DNA. (January 2019)

• Record Type: Journal Article
• Authors: Khairani, Rizki; Dwiputra, Donny; Hidayat, Wahyu; Zen, Freddy P.
• Is Part Of: Journal of physics. Volume 1127(2018)
• Publication Date: 2019-01
• Subjects: DNA-Solvent interaction -- breather-soliton -- kink-soliton; Physics -- Congresses; 530.5
• DOI: 10.1088/1742-6596/1127/1/012013
• Languages: English
• ISSNs: 1742-6588

Abstract

Abstract: We extend the Peyrard-Bishop model into helicoidal DNA case in presence of solvent. Our model focuses on twisting and stretching DNA base pair motions. The dynamics of this system are drawn from the solitary wave solution by using multiple scale expansion to the case of the vectorial lattice. The breather soliton is the solution for the stretching motion and the kink soliton is the solution for the twisting motion. A positive value of the solvent strength factor stretches the hydrogen bond and the strand arc length which makes the DNA more winded.