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Related Concept Videos

Nucleosome Remodeling02:54

Nucleosome Remodeling

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Nucleosomes are the basic units of chromatin compaction. Each nucleosome consists of the DNA bound tightly around a histone core, which makes the DNA inaccessible to DNA binding proteins such as DNA polymerase and RNA polymerase. Hence, the fundamental problem is to ensure access to DNA when appropriate, despite the compact and protective chromatin structure.
Nucleosome remodeling complex
Eukaryotic cells have specialized enzymes called ATP-dependent nucleosome remodeling enzymes. These enzymes...
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Chromatin Modification in iPS Cells01:32

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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.
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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...
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Heterochromatin02:38

Heterochromatin

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The extent of chromatin compaction can be studied by staining chromatin using specific DNA binding dyes. Under the microscope, the dense-compacted regions that take up more dye are called heterochromatin. Heterochromatin is further classified into two forms – constitutive heterochromatin and facultative heterochromatin.
Constitutive heterochromatin: It is a highly compact region of chromatin that is mostly concentrated in the centromere and telomere. Unlike euchromatin, the amino acid at...
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Duplication of Chromatin Structure02:05

Duplication of Chromatin Structure

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The process of chromosome duplication during cell division requires genome-wide disruption and re-assembly of chromatin. The chromatin structure must be accurately inherited, reassembled, and maintained in the daughter cells to ensure lineage propagation.
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Updated: Jun 17, 2025

Generation and Purification of Human INO80 Chromatin Remodeling Complexes and Subcomplexes
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Generation and Purification of Human INO80 Chromatin Remodeling Complexes and Subcomplexes

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Composition and function of plant chromatin remodeling complexes.

Jing Guo1, Xin-Jian He2

  • 1National Institute of Biological Sciences, Beijing, 102206, China.

Current Opinion in Plant Biology
|August 8, 2024
PubMed
Summary

Plant chromatin remodelers, crucial for DNA processes, form multi-subunit complexes. This review details their classification, interactions, and roles in plant development and stress response.

Keywords:
Chromatin remodeling complexesDevelopmentGene transcriptionHistoneNucleosome

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Area of Science:

  • Molecular Biology
  • Plant Science
  • Genetics

Background:

  • ATP-dependent chromatin remodelers are essential molecular machines that alter DNA accessibility using ATP.
  • These complexes regulate fundamental cellular processes like transcription, DNA replication, and genome stability.
  • In plants, chromatin remodeling complexes are vital for development and responding to environmental stresses.

Purpose of the Study:

  • To review recent advancements in understanding plant chromatin remodeling complexes.
  • To explore their classification, composition, and protein-protein interactions.
  • To elucidate their impact on chromatin structure and interplay with epigenetic modifications and transcription factors.

Main Methods:

  • Literature review of recent studies on plant chromatin remodeling complexes.
  • Analysis of data on complex composition and protein interactions.
  • Synthesis of findings regarding chromatin configuration and functional roles.

Main Results:

  • Plant chromatin remodeling complexes exhibit diverse classifications and compositions.
  • Key protein-protein interactions within these complexes have been identified.
  • These complexes significantly influence chromatin structure, modifications, and gene regulation.

Conclusions:

  • Recent research has significantly advanced the understanding of plant chromatin remodeling complexes.
  • These complexes are critical regulators of plant growth, development, and stress adaptation.
  • Further investigation into their intricate mechanisms promises insights into plant biology.