FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

chromatin organization

ID (Ontology)

GO:0006325 (Gene Ontology)

Definition

The assembly or remodeling of chromatin composed of DNA complexed with histones, other associated proteins, and sometimes RNA.[ PubMed:20404130 ]

Also Known As

"chromatin organisation" ; "establishment of chromatin architecture" ; "establishment or maintenance of chromatin architecture"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_BIOLOGICAL_PROCESS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Gene Groups	Genes
chromatin organization (all annotations which use CV term, excluding "NOT" statements)
involved_in \| chromatin organization	--

Spanning Tree (Parents/Children)

  cellular component organization or biogenesis
   |__cellular component organization
       |__chromatin organization  534 rec.
           |__CENP-A containing chromatin assembly 6 rec.
           |__chromatin looping 4 rec.
           |__chromatin remodeling 422 rec.
           |   |__CENP-A eviction from euchromatin
           |   |__DNA repair-dependent chromatin remodeling 17 rec.
           |   |__epigenetic regulation of gene expression(+) 235 rec.
           |   |__nucleosome organization(+) 111 rec.
           |   |__R-loop processing
           |   |__transcription elongation-coupled chromatin remodeling 5 rec.
           |__chromosomal DNA methylation maintenance following DNA replication
           |__DNA replication-dependent chromatin assembly 8 rec.
           |__DNA replication-dependent chromatin disassembly
           |__heterochromatin organization 194 rec.
           |   |__heterochromatin boundary formation 11 rec.
           |   |__heterochromatin formation(+) 190 rec.
           |   |__regulation of heterochromatin organization(+) 23 rec.
           |__nucleolar chromatin organization 2 rec.
           |   |__rDNA chromatin condensation
           |   |__rDNA heterochromatin formation(+) 2 rec.
           |__nucleosome assembly 101 rec.
           |__regulation of chromatin organization 29 rec.
           |   |__negative regulation of chromatin organization(+) 10 rec.
           |   |__positive regulation of chromatin organization(+) 11 rec.
           |   |__regulation of heterochromatin organization(+) 23 rec.
           |__sperm DNA condensation 19 rec.
           |__sperm DNA decondensation 11 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	cellular component organization
Part of
Synonyms & Secondary IDs
Synonyms
	"chromatin assembly" NARROW "chromatin assembly or disassembly" RELATED "chromatin assembly/disassembly" RELATED "chromatin maintenance" BROAD "chromatin modification" RELATED "chromatin organisation" EXACT "DNA replication-independent chromatin assembly" NARROW "DNA replication-independent chromatin organization" NARROW "DNA replication-independent nucleosome organisation" NARROW "DNA replication-independent nuclesome assembly" NARROW "establishment of chromatin architecture" EXACT "establishment or maintenance of chromatin architecture" EXACT "transcription-coupled nucleosome assembly" NARROW
Secondary IDs

External Crossreferences & Linkouts
	Reactome:R-HSA-4839726 "Chromatin organization"