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Related Concept Videos

Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

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...
Eukaryotic Evolution01:24

Eukaryotic Evolution

The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
Convergent Evolution01:54

Convergent Evolution

Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.The structures that arise from convergent evolution are called analogous structures. They are similar in function even if they are dissimilar in structure. Further, structures can be analogous while also...

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Related Experiment Video

Updated: Jun 17, 2026

High Content Screening in Neurodegenerative Diseases
13:32

High Content Screening in Neurodegenerative Diseases

Published on: January 6, 2012

High-content screening: a decade of evolution.

Nick Thomas1

  • 1GE Healthcare, Whitchurch, Cardiff, United Kingdom. nick.thomas@ge.com

Journal of Biomolecular Screening
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

High-content screening uses automated microscopy to gather detailed cell data. This technique is now a key tool for cell biology research in academic and industrial settings.

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Pooled CRISPR-Based Genetic Screens in Mammalian Cells
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Pooled CRISPR-Based Genetic Screens in Mammalian Cells

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Competitive Genomic Screens of Barcoded Yeast Libraries

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Last Updated: Jun 17, 2026

High Content Screening in Neurodegenerative Diseases
13:32

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Published on: January 6, 2012

Pooled CRISPR-Based Genetic Screens in Mammalian Cells
09:05

Pooled CRISPR-Based Genetic Screens in Mammalian Cells

Published on: September 4, 2019

Competitive Genomic Screens of Barcoded Yeast Libraries
11:59

Competitive Genomic Screens of Barcoded Yeast Libraries

Published on: August 11, 2011

Area of Science:

  • Cell Biology
  • Biotechnology
  • Microscopy

Background:

  • High-content screening (HCS) has advanced significantly over the last decade.
  • Automated microscopy enables the acquisition of detailed, quantitative phenotypic data.

Purpose of the Study:

  • To highlight the evolution and broad applicability of high-content screening.
  • To emphasize its role in modern cell biology research.

Main Methods:

  • Utilizes automated microscopy for image acquisition.
  • Employs sophisticated analysis to extract quantitative phenotypic data.

Main Results:

  • HCS has expanded beyond drug screening to diverse applications.
  • It is recognized for efficiency in large-scale biological investigations.

Conclusions:

  • High-content screening is an established, effective method for in situ cell biology.
  • Its quantitative and contextual data are valuable across research sectors.