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Related Concept Videos

CRISPR01:59

CRISPR

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
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Design Example: Designing a Residential Plumbing System01:25

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A Customizable Protocol for String Assembly gRNA Cloning STAgR
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CRISPR-gRNA Design.

Maria Pallarès Masmitjà1, Nastassia Knödlseder1, Marc Güell2

  • 1Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain.

Methods in Molecular Biology (Clifton, N.J.)
|March 27, 2019
PubMed
Summary
This summary is machine-generated.

This chapter details CRISPR gene editing tools, focusing on Cas9 and Cpf1 endonucleases and guide RNA design. It provides methods for creating effective guide RNAs to improve CRISPR experiment efficiency and reduce off-target mutations.

Keywords:
CRISPRCas9Cpf1Genome editinggRNA design

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Genetics

Background:

  • Gene editing holds significant therapeutic potential, attracting global scientific interest.
  • Clustered regularly interspaced short palindromic repeats (CRISPR) technology offers an efficient, rapid, and cost-effective gene editing solution.

Purpose of the Study:

  • To provide an in-depth overview of CRISPR components, specifically endonucleases (Cas9 and Cpf1) and guide RNA (gRNA).
  • To describe tools and strategies for designing effective gRNAs to enhance CRISPR experiment efficiency and minimize off-target effects.

Main Methods:

  • Review of commonly used endonucleases: Cas9 and Cpf1.
  • Explanation of gRNA targeting mechanisms in genome editing.
  • Description of various tools available for gRNA design.

Main Results:

  • CRISPR technology relies on an endonuclease and a gRNA for successful gene editing.
  • Effective gRNA design is crucial for maximizing on-target edits and minimizing unintended mutations.
  • The chapter presents practical tools to aid researchers in designing optimal gRNAs.

Conclusions:

  • CRISPR gene editing is a powerful therapeutic technology.
  • Understanding and optimizing gRNA design is key to unlocking the full potential of CRISPR systems.
  • This chapter serves as a guide for researchers utilizing CRISPR technology.