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Related Concept Videos

Riboswitches01:56

Riboswitches

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Riboswitches are non-coding mRNA domains that regulate the transcription and translation of downstream genes without the help of proteins. Riboswitches bind directly to a metabolite and can form unique stem-loop or hairpin structures in response to the amount of the metabolite present. They have two distinct regions – a metabolite-binding aptamer and an expression platform.
The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
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A schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
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Updates on Aptamer Research.

Mohamed H Ali1,2, Marwa E Elsherbiny3, Marwan Emara4

  • 1Center for Aging and Associated Diseases, Zewail City of Science and Technology, Giza 12578, Egypt. mali@zewailcity.edu.eg.

International Journal of Molecular Sciences
|May 24, 2019
PubMed
Summary
This summary is machine-generated.

Aptamers offer significant advantages over antibodies for molecular recognition, including higher specificity and affinity. This review explores their potential as molecular probes in biology and super-resolution microscopy.

Keywords:
SELEXantibodiesaptamernanobodiessuper-resolution microscopy

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Area of Science:

  • Molecular Biology
  • Biotechnology
  • Microscopy

Background:

  • Antibodies have long been the primary tool for molecular recognition in biological research.
  • Aptamers, a newer class of molecules, are emerging as powerful alternatives to antibodies.
  • Key advantages of aptamers include specificity, high binding affinity, and reduced batch variability.

Purpose of the Study:

  • To review the potential of aptamers as molecular probes.
  • To compare aptamers with traditional antibodies in molecular targeting.
  • To discuss aptamer applications in super-resolution microscopy.

Main Methods:

  • Literature review of aptamer technology and applications.
  • Comparative analysis of aptamer and antibody characteristics.
  • Discussion of aptamer utility in advanced imaging techniques.

Main Results:

  • Aptamers demonstrate superior or comparable performance to antibodies in specificity and affinity.
  • Aptamers offer advantages like lower immunogenicity and easier synthesis.
  • Emerging aptamer-based products are entering the market.

Conclusions:

  • Aptamers represent a promising alternative to antibodies for molecular recognition.
  • Their unique properties make them suitable for diverse applications in molecular biology.
  • Further research can enhance aptamer utilization in super-resolution microscopy and diagnostics.