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相关概念视频

Genomic DNA in Eukaryotes00:58

Genomic DNA in Eukaryotes

Eukaryotes have large genomes compared to prokaryotes. To fit their genomes into a cell, eukaryotic DNA is packaged extraordinarily tightly inside the nucleus. To achieve this, DNA is tightly wound around proteins called histones, which are packaged into nucleosomes that are joined by linker DNA and coil into chromatin fibers. Additional fibrous proteins further compact the chromatin, which is recognizable as chromosomes during certain phases of cell division.
Organization of Genes02:07

Organization of Genes

Overview
Complementary DNA01:44

Complementary DNA

Overview
Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
Complementary DNA01:44

Complementary DNA

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相关实验视频

Updated: May 12, 2026

gDNA Enrichment by a Transposase-based Technology for NGS Analysis of the Whole Sequence of BRCA1, BRCA2, and 9 Genes Involved in DNA Damage Repair
08:15

gDNA Enrichment by a Transposase-based Technology for NGS Analysis of the Whole Sequence of BRCA1, BRCA2, and 9 Genes Involved in DNA Damage Repair

Published on: October 6, 2014

非编码RNA基因的计算基因组学

Sean R Eddy1

  • 1Howard Hughes Medical Institute, Department of Genetics, Washington University School of Medicine, St. Louis, MO 63110, USA. eddy@genetics.wustl.edu

Cell
|May 15, 2002
PubMed
概括

快速发现非编码RNA基因需要先进的计算基因组学. 分析这些非编码RNA基因为基因组学研究带来了独特的计算挑战.

科学领域:

  • 基因组学就是基因组学.
  • 分子生物学分子生物学
  • 生物信息学是一种生物信息学.

背景情况:

  • 已识别的非编码RNA (ncRNA) 基因的数量正在迅速增加.
  • 计算基因组学在分析蛋白质编码基因方面发挥了重要作用.
  • 了解ncRNA基因的全部范围对于完整的基因组图像至关重要.

研究的目的:

  • 探索计算基因组学在分析非编码RNA基因中的应用.
  • 确定非编码RNA所带来的特定计算挑战.
  • 为未来的ncRNA基因发现和分析计算策略奠定基础.

主要方法:

  • 审查当前的计算基因组学技术.
  • 分析非编码RNA的独特特征.
  • 识别ncRNA分析现有计算工具的局限性.

主要成果:

  • 非编码RNA具有独特的结构和功能特性,与编码蛋白质的基因有所不同.
  • 现有的计算方法可能无法直接转移或不足以进行全面的ncRNA分析.
  • 需要新的计算方法来解决ncRNAs的复杂性和多样性.

更多相关视频

Targeted RNA Sequencing Assay to Characterize Gene Expression and Genomic Alterations
11:52

Targeted RNA Sequencing Assay to Characterize Gene Expression and Genomic Alterations

Published on: August 4, 2016

Overexpressing Long Noncoding RNAs Using Gene-activating CRISPR
13:04

Overexpressing Long Noncoding RNAs Using Gene-activating CRISPR

Published on: March 1, 2019

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Last Updated: May 12, 2026

gDNA Enrichment by a Transposase-based Technology for NGS Analysis of the Whole Sequence of BRCA1, BRCA2, and 9 Genes Involved in DNA Damage Repair
08:15

gDNA Enrichment by a Transposase-based Technology for NGS Analysis of the Whole Sequence of BRCA1, BRCA2, and 9 Genes Involved in DNA Damage Repair

Published on: October 6, 2014

Targeted RNA Sequencing Assay to Characterize Gene Expression and Genomic Alterations
11:52

Targeted RNA Sequencing Assay to Characterize Gene Expression and Genomic Alterations

Published on: August 4, 2016

Overexpressing Long Noncoding RNAs Using Gene-activating CRISPR
13:04

Overexpressing Long Noncoding RNAs Using Gene-activating CRISPR

Published on: March 1, 2019

结论:

  • 计算基因组学对推进非编码RNA基因的研究具有重大潜力.
  • 克服ncRNAs独特的计算挑战对于未来的基因组研究至关重要.
  • 为了高效的ncRNA基因识别和表征,需要进一步开发专门的计算工具.