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相关概念视频

DNA Microarrays02:34

DNA Microarrays

17.2K
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...
17.2K
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

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Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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相关实验视频

Updated: May 29, 2025

DNA-based Fish Species Identification Protocol
09:15

DNA-based Fish Species Identification Protocol

Published on: April 28, 2010

29.4K

一个通用的DNA微阵列,用于鱼类物种快速认证.

Patrizia Bade1, Sebastian Stix2, Kristina Kappel1

  • 1National Reference Centre for Authentic Food, Max Rubner-Institut (MRI), Hermann-Weigmann-Str. 1, 24103 Kiel, Germany.

Food chemistry. Molecular sciences
|February 6, 2025
PubMed
概括
此摘要是机器生成的。

一种新的通用DNA微阵列可以使用特定的DNA探针模式识别所有鱼类. 这项技术有助于打击海鲜欺诈,确保产品的真实性.

关键词:
这是一个DNA芯片,一个DNA芯片.基因组杂交是DNA的杂交方式.食品欺诈行为 食品欺诈行为在状的中.选方法 选方法全球DNA探测器的使用

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Rapid and Efficient Zebrafish Genotyping Using PCR with High-resolution Melt Analysis
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Rapid and Efficient Zebrafish Genotyping Using PCR with High-resolution Melt Analysis

Published on: February 5, 2014

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Robust 3D DNA FISH Using Directly Labeled Probes
12:16

Robust 3D DNA FISH Using Directly Labeled Probes

Published on: August 15, 2013

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相关实验视频

Last Updated: May 29, 2025

DNA-based Fish Species Identification Protocol
09:15

DNA-based Fish Species Identification Protocol

Published on: April 28, 2010

29.4K
Rapid and Efficient Zebrafish Genotyping Using PCR with High-resolution Melt Analysis
06:30

Rapid and Efficient Zebrafish Genotyping Using PCR with High-resolution Melt Analysis

Published on: February 5, 2014

22.2K
Robust 3D DNA FISH Using Directly Labeled Probes
12:16

Robust 3D DNA FISH Using Directly Labeled Probes

Published on: August 15, 2013

34.6K

科学领域:

  • 分子生物学分子生物学
  • 食品科学 食品科学 食品科学
  • 遗传学 遗传学 是一个

背景情况:

  • DNA微阵列用于基因表达分析,病原体检测和生物标记物识别.
  • 目前的DNA微阵列在食品部门的物种识别方面存在局限性,特别是由于物种多样性高,对鱼类产品有限制.

研究的目的:

  • 开发一种能够区分所有鱼类物种的通用DNA微阵列.
  • 建立一种方法来验证鱼类标本的真实性,并打击海鲜行业的欺诈行为.

主要方法:

  • 设计了一种通用DNA微阵列,利用100个DNA探针准遗传标记基因 (16S核糖体RNA和细胞染色体b).
  • 分析了86个鱼标本的杂交信号模式,与参考模式对比.

主要成果:

  • 全球DNA微阵列成功地为所有86个分析的鱼标本生成了特定物种的DNA探针模式.
  • 该方法证明了能够区分各种鱼类物种的能力.

结论:

  • 开发的通用DNA微阵列显示了对所有鱼类物种认证的巨大潜力.
  • 这种选方法可以在防止海鲜行业的欺诈和造方面发挥至关重要的作用.