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It has been proven that the accessibility of the target sites has a critical influence for miRNA and siRNA. In this paper, we present a program, rip2.0, not only the energetically most favorable targets site based on the hybrid-probability,…

组合数学 · 数学 2009-08-06 F. W. D. Huang , J. Qin , C. M. Reidys , P. F. Stadler

Many computerized methods for RNA-RNA interaction structure prediction have been developed. Recently, $O(N^6)$ time and $O(N^4)$ space dynamic programming algorithms have become available that compute the partition function of RNA-RNA…

数学物理 · 物理学 2010-07-15 Andrew X. Li , Manja Marz , Jing Qin , Christian M. Reidys

Recently several minimum free energy (MFE) folding algorithms for predicting the joint structure of two interacting RNA molecules have been proposed. Their folding targets are interaction structures, that can be represented as diagrams with…

组合数学 · 数学 2010-06-22 Thomas J. X. Li , Christian M. Reidys

Recently, a framework considering RNA sequences and their RNA secondary structures as pairs, led to some information-theoretic perspectives on how the semantics encoded in RNA sequences can be inferred. In this context, the pairing arises…

生物大分子 · 定量生物学 2017-11-30 Fenix W. Huang , Qijun He , Christopher Barrett , Christian M. Reidys

Many non-coding RNAs are known to play a role in the cell directly linked to their structure. Structure prediction based on the sole sequence is however a challenging task. On the other hand, thanks to the low cost of sequencing…

定量方法 · 定量生物学 2020-05-05 Francesca Cuturello , Guido Tiana , Giovanni Bussi

The tertiary structures of functional RNA molecules remain difficult to decipher. A new generation of automated RNA structure prediction methods may help address these challenges but have not yet been experimentally validated. Here we apply…

生物大分子 · 定量生物学 2011-10-05 Wipapat Kladwang , Fang-Chieh Chou , Rhiju Das

RNA-RNA binding is an important phenomenon observed for many classes of non-coding RNAs and plays a crucial role in a number of regulatory processes. Recently several MFE folding algorithms for predicting the joint structure of two…

组合数学 · 数学 2010-06-16 Thomas J. X. Li , Christian M. Reidys

Dynamic graphs are rife with higher-order interactions, such as co-authorship relationships and protein-protein interactions in biological networks, that naturally arise between more than two nodes at once. In spite of the ubiquitous…

机器学习 · 计算机科学 2021-02-09 Manohar Kaul , Masaaki Imaizumi

It has been shown that minimum free energy structure for RNAs and RNA-RNA interaction is often incorrect due to inaccuracies in the energy parameters and inherent limitations of the energy model. In contrast, ensemble based quantities such…

生物大分子 · 定量生物学 2013-01-09 Hamidreza Chitsaz , Elmirasadat Forouzmand , Gholamreza Haffari

RNA function crucially depends on its structure. Thermodynamic models currently used for secondary structure prediction rely on computing the partition function of folding ensembles, and can thus estimate minimum free-energy structures and…

生物大分子 · 定量生物学 2022-07-26 Nicola Calonaci , Alisha Jones , Francesca Cuturello , Michael Sattler , Giovanni Bussi

Click-Through Rate (CTR) prediction is one of the most important and challenging in calculating advertisements and recommendation systems. To build a machine learning system with these data, it is important to properly model the interaction…

机器学习 · 计算机科学 2020-06-11 Dafang Zou , Leiming Zhang , Jiafa Mao , Weiguo Sheng

We describe a dynamic programming algorithm for predicting optimal RNA secondary structure, including pseudoknots. The algorithm has a worst case complexity of ${\cal O}(N^6)$ in time and ${\cal O}(N^4)$ in storage. The description of the…

生物物理 · 物理学 2009-09-25 Elena Rivas , Sean R. Eddy

In this paper, we study the interaction of an antisense RNA and its target mRNA, based on the model introduced by Alkan {\it et al.} (Alkan {\it et al.}, J. Comput. Biol., Vol:267--282, 2006). Our main results are the derivation of the…

组合数学 · 数学 2009-03-20 Fenix W. D. Huang , Jing Qin , Christian M. Reidys , Peter F. Stadler

A new statistical method of alignment of two heteropolymers which can form hierarchical cloverleaf-like secondary structures is proposed. This offers a new constructive algorithm for quantitative determination of binding free energy of two…

定量方法 · 定量生物学 2010-11-12 S. K. Nechaev , M. V. Tamm , O. V. Valba

Understanding the base pairing of an RNA sequence provides insight into its molecular structure.By mining suboptimal sampling data, RNAprofiling 1.0 identifies the dominant helices in low-energy secondary structures as features, organizes…

生物大分子 · 定量生物学 2023-03-29 Forrest Hurley , Christine Heitsch

RNA function is tied to secondary structure, operating through dynamic and heterogeneous structural ensembles. While current analysis tools typically output single static structures or averaged contact maps, chemical probing methods like…

生物大分子 · 定量生物学 2026-05-20 Giuseppe Sacco , Jianhui Li , Redmond P. Smyth , Guido Sanguinetti , Giovanni Bussi

The information-encoding molecules RNA and DNA form a combinatorially large set of secondary structures through nucleic acid base pairing. Thermodynamic prediction algorithms predict favoured, or minimum free energy (MFE), secondary…

数据结构与算法 · 计算机科学 2024-07-16 Ahmed Shalaby , Damien Woods

Background: In the Nearest-Neighbor Thermodynamic Model, a standard approach for RNA secondary structure prediction, the energy of the multiloops is modeled using a linear entropic penalty governed by three branching parameters. Although…

生物大分子 · 定量生物学 2025-10-15 Svetlana Poznanović , Owen Cardwell , Christine Heitsch

Identifying the secondary structure of an RNA is crucial for understanding its diverse regulatory functions. This paper focuses on how to enhance target identification in a Boltzmann ensemble of structures via chemical probing data. We…

生物大分子 · 定量生物学 2019-09-13 Thomas J. X. Li , Christian M. Reidys

Profiling is a process that finds similarities between different RNA secondary structures by extracting signals from the Boltzmann sampling. The reproducibility of profiling can be identified by the standard deviation of number of features…

生物大分子 · 定量生物学 2024-03-20 Qiuyun Li , Manda Riehl
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