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相关概念视频

Genome Annotation and Assembly03:36

Genome Annotation and Assembly

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The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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Genomics02:02

Genomics

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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...
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相关实验视频

Updated: May 20, 2025

Transcriptomic Analysis of C. elegans RNA Sequencing Data Through the Tuxedo Suite on the Galaxy Project
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Transcriptomic Analysis of C. elegans RNA Sequencing Data Through the Tuxedo Suite on the Galaxy Project

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通过多组织转录组分析进行更新的Gallus gallus基因组注释.

Andressa O de Lima1, Theros T Ng2, Brandi Sparling2

  • 1Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA.

Genomics
|May 18, 2025
PubMed
概括
此摘要是机器生成的。

这项研究使用多组织RNA测序增强了基因组注释,发现了数千个新的转录和基因. 这些发现提高了对家禽生育能力和肉质等特征的基因表达的理解.

关键词:
一个等位基因的特定表达.动物基因组的功能注释 (FAANG)基因组注释 基因组注释组织特定表达的表达.转录组 转录组就是一个转录组.

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RNA-Seq Analysis of Differential Gene Expression in Electroporated Chick Embryonic Spinal Cord
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Transcriptome Profiling of In-Vivo Produced Bovine Pre-implantation Embryos Using Two-color Microarray Platform
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Transcriptome Profiling of In-Vivo Produced Bovine Pre-implantation Embryos Using Two-color Microarray Platform

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相关实验视频

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Transcriptomic Analysis of C. elegans RNA Sequencing Data Through the Tuxedo Suite on the Galaxy Project
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Transcriptomic Analysis of C. elegans RNA Sequencing Data Through the Tuxedo Suite on the Galaxy Project

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RNA-Seq Analysis of Differential Gene Expression in Electroporated Chick Embryonic Spinal Cord
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RNA-Seq Analysis of Differential Gene Expression in Electroporated Chick Embryonic Spinal Cord

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科学领域:

  • 基因组学就是基因组学.
  • 文字转录学 (Transcriptomics) 是一个学科.
  • 动物科学动物科学

背景情况:

  • 准确的基因组注释对于理解基因功能和改善牲畜至关重要.
  • 动物基因组功能注释 (FAANG) 计划旨在全面描述基因组元素.
  • 以前的基因组注释需要扩展以捕捉完整的转录多样性.

研究的目的:

  • 通过全面的多组织转录组分析,更新Gallus gallus的基因组注释.
  • 识别新型的转录异型,未注释的转录,以及等位基特异性表达 (ASE) 模式.
  • 为家禽养殖和农业应用提供增强的基因组资源.

主要方法:

  • 对20种不同的组织和细胞类型进行了RNA测序 (RNA-Seq).
  • 分析了转录组数据,以识别和注释转录异型,包括新型异型.
  • 对样本组织进行了基因特异表达 (ASE) 分析.

主要成果:

  • 识别了110,930个转录异型,其中约有37,000个以前没有注释的转录.
  • 发现了11,530个独特的基因,在整个组织中表现出等位基因特异性表达 (ASE).
  • 组织特异性异构体和差异表达基因的表征,特别是在生殖和肌肉组织中.

结论:

  • 更新的基因组注释显著扩大了Gallus gallus的转录多样性和功能注释.
  • 研究结果强调了组织特异性基因表达和ASE对于生育能力和肉质等经济重要特征的重要性.
  • 这项研究提供了有价值的基因组资源,以支持养殖策略,以提高家禽的疾病抵抗力和生产力.