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Related Concept Videos

Histone Modification02:32

Histone Modification

16.0K
The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
16.0K
Histone Modification02:32

Histone Modification

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Spreading of Chromatin Modifications02:25

Spreading of Chromatin Modifications

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The histone proteins in the nucleosomes are post-translationally modified (PTM) to increase or decrease access to DNA. The commonly observed PTMs are methylation, acetylation, phosphorylation, and ubiquitination of lysine amino acids in the histone H3 tail region. These histone modifications have specific meaning for the cell. Hence, they are called "histone code". The protein complex involved in histone modification is termed as "reader-writer" complex.
Writers
The writer...
9.4K
Behavior Modification01:21

Behavior Modification

591
Behavioral approaches have often been criticized for ignoring mental processes and focusing solely on observable behavior. However, these approaches provide an optimistic perspective for individuals seeking to change their behaviors. Rather than concentrating on intrinsic personality traits, behavioral approaches suggest that even longstanding habits can be modified by changing the reward contingencies that maintain them.
A real-world application of operant conditioning principles is applied...
591
Protein Modifications in the RER01:26

Protein Modifications in the RER

7.0K
Modification of secretory and transmembrane proteins entering the rough ER begins in the ER lumen. These modifications aid in protein folding and stabilize the acquired tertiary structure. Protein modifications in the rough ER co-occur at different stages of protein folding.
Broadly, these modifications can be categorized into four main categories — glycosylation, formation of disulfide bonds, assembly of protein subunits, and specific proteolytic cleavages like removal of signal...
7.0K
Chromatin Modification in iPS Cells01:32

Chromatin Modification in iPS Cells

2.1K
Chromatin modification alters gene expression; therefore, scientists can add histone-modifying enzymes, histone variants, and chromatin remodeling complexes to somatic cells to aid reprogramming into pluripotent stem (iPS) cells.
Compact chromatin makes reprogramming difficult. Enzymes, such as histone demethylases and acetyltransferases, are often added during reprogramming to loosen the chromatin, making the DNA more accessible to transcription factors. Molecules that inhibit histone...
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Related Experiment Video

Updated: Jan 24, 2026

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles
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Silver Nano/Microparticles: Modification and Applications.

Bong-Hyun Jun1

  • 1Department of Bioscience and Biotechnology, Konkuk University, Seoul 143-701, Korea. bjun@konkuk.ac.kr.

International Journal of Molecular Sciences
|May 31, 2019
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Summary
This summary is machine-generated.

Nano/micro-size particles are essential in many scientific fields. This study explores their diverse applications and potential for future innovations.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Particle Physics

Background:

  • Nano/micro-size particles exhibit unique properties due to their small dimensions.
  • These particles are integral to advancements in diverse scientific and technological domains.

Discussion:

  • The study reviews the multifaceted applications of nano/micro-size particles.
  • It highlights their role in areas such as medicine, electronics, and catalysis.
  • The unique physical and chemical characteristics of these particles are discussed in relation to their performance.

Key Insights:

  • Nano/micro-size particles offer enhanced performance and novel functionalities across various applications.
  • Understanding particle behavior at the nano/micro-scale is crucial for optimizing their use.
  • The versatility of these particles makes them key components in cutting-edge technologies.

Outlook:

  • Future research will likely focus on sustainable synthesis methods and advanced characterization techniques.
  • Exploration of novel applications in emerging fields like quantum computing and targeted drug delivery is anticipated.
  • Continued innovation in nano/micro-particle technology promises significant scientific and industrial impact.