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相关概念视频

RNA Structure01:23

RNA Structure

70.9K
Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
70.9K
Nucleic Acid Structure01:25

Nucleic Acid Structure

5.9K
The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
DNA Structure
DNA...
5.9K
Protein Folding Quality Check in the RER01:29

Protein Folding Quality Check in the RER

3.7K
ER is the primary site for the maturation and folding of soluble and transmembrane secretory proteins. The calnexin cycle is a specific chaperone system that folds and assesses the confirmation of N-glycosylated proteins before they can exit the ER lumen. The primary players of this quality check pipeline are the lectins, ER-resident chaperones, and a glucosyl transferase enzyme. In case the calnexin system in the lumen fails to salvage a misfolded protein, it is transported to the cytoplasm...
3.7K
RNA Stability01:53

RNA Stability

33.2K
Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
33.2K
RNA-seq03:21

RNA-seq

9.8K
RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
9.8K
Types of RNA01:23

Types of RNA

63.1K
Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
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相关实验视频

Updated: Nov 23, 2025

Probing RNA Structure with Dimethyl Sulfate Mutational Profiling with Sequencing In Vitro and in Cells
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Probing RNA Structure with Dimethyl Sulfate Mutational Profiling with Sequencing In Vitro and in Cells

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R2DT:一个全面的平台可视化RNA二次结构.

Holly McCann1, Caeden D Meade1, Loren Dean Williams1

  • 1NASA Center for Integration of the Origin of Life, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA; School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA.

bioRxiv : the preprint server for biology
|January 13, 2025
PubMed
概括

R2DT 2.0 增强了RNA二次结构可视化,提供了新的功能,如位置特定数据显示和无模板折叠. 该软件为功能分析提供可重现的RNA 2D结构布局.

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RNA Secondary Structure Prediction Using High-throughput SHAPE
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RNA Secondary Structure Prediction Using High-throughput SHAPE

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相关实验视频

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RNA Secondary Structure Prediction Using High-throughput SHAPE
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科学领域:

  • 分子生物学分子生物学
  • 生物信息学是一种生物信息学.
  • 结构生物学 结构生物学

背景情况:

  • RNA二次 (2D) 结构可视化对于理解RNA功能至关重要.
  • R2DT是一个软件包,用于一致和可重复的RNA 2D结构可视化.

研究的目的:

  • 介绍R2DT的最新版本,版本2.0,强调其新功能和改进.
  • 将R2DT作为RNA 2D结构可视化和分析的综合平台.

主要方法:

  • R2DT 2.0 包含位置特定信息显示 (例如,SNP,SHAPE反应率).
  • 引入了一个没有模板的模式,用于在没有预先存在的模板的情况下可视化RNA.
  • 支持受约束的折叠,动画可视化和通过手动输入或自然语言提示程序进行交互式图形修改.

主要成果:

  • R2DT 2.0提供了增强的可视化功能,包括无模板和受限制的折叠模式.
  • 改进了性能,扩展了模板库,并与生物数据库集成.
  • 能够进行交互式编辑和生成出版品质的RNA 2D结构图像.

结论:

  • R2DT 2.0代表了RNA 2D结构可视化工具的重大进步.
  • 该软件是研究人员的多功能和可访问的平台,集成到主要的生物数据库中.
  • 在https://r2dt.bio上访问,R2DT通过改进的可视化来促进对RNA功能的更深入理解.