FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term pericentric heterochromatin ID (Ontology) GO:0005721 (Gene Ontology)
Definition Heterochromatin that is located adjacent to the CENP-A rich centromere 'central core' and characterized by methylated H3 histone at lysine 9 (H3K9me2/H3K9me3).[ PubMed:12019236 PubMed:20206496 PubMed:21437270 PubMed:22729156 PubMed:9413993 ]
Also Known As "centric heterochromatin" ; "centromeric heterochromatin"
Comment
Links to External Ontologies
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_CELLULAR_COMPONENT      26
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 pericentric heterochromatin (all annotations which use CV term, excluding "NOT" statements)      26
     is_active_in | pericentric heterochromatin      10
     located_in | pericentric heterochromatin      18
Spanning Tree (Parents/Children)
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chromatin
 |__heterochromatin_________________
chromosomal region                  |
 |__chromosome, centromeric region__|
                                    pericentric heterochromatin  29 rec.
                                     |__alpha-heterochromatin 2 rec.
                                     |__beta-heterochromatin 2 rec.
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Is a heterochromatin
Part of chromosome, centromeric region
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Synonyms
  • "centric heterochromatin" EXACT
    "centromeric heterochromatin" EXACT
    "chromosome, centric outer repeat region" RELATED
    "chromosome, centromeric inner repeat region" RELATED
    "chromosome, centromeric outer repeat region" RELATED
    "nuclear centric heterochromatin" NARROW
    "nuclear cluster" NARROW
    "nuclear pericentric heterochromatin" NARROW
Secondary IDs
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