This term is obsolete.
An example of this type of heterochromatin is found in Schizosaccharomyces pombe, where heterochromatin islands are formed at meiotic genes during vegetative (mitotic) growth.

GO:1990342 JSON

heterochromatin island

Cellular Component

Definition (GO:1990342 GONUTS page)

A region of facultative heterochromatin formed dynamically at specific loci in response to environmental signals, independently of RNAi. PMID:22144463 PMID:24210919

Comments

An example of this type of heterochromatin is found in Schizosaccharomyces pombe, where heterochromatin islands are formed at meiotic genes during vegetative (mitotic) growth.

288 annotations

Ancestor Chart

Ancestor chart for GO:1990342
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Ancestor chart

Taxon Constraints

The use of this term should conform to the following taxon constraints:

Ancestor GO ID Ancestor GO Term Name Relationship Taxon ID Taxon Reference(s)
GO:1990342 heterochromatin island Only in Taxon 131567 cellular organisms

More information on taxon constraints in GO is available here

Annotation Blacklist

This list aims to correct incorrect annotations to UniProtKB accessions inferred from electronic annotation (IEA) methods that are supplied by the UniProt-GOA project to the GO Consortium:

Category Entity Type Entity ID Taxon ID Entity Name Ancestor GO ID Reason Rule/Method ID
NOT-qualified manual protein A0A8I5Y7L4 10116 A0A8I5Y7L4_RAT GO:0005694 1 NOT-qualified manual annotation exists with evidence code ECO:0000266 from this reference: GO_REF:0000096
NOT-qualified manual protein O42131 9031 TOP2B_CHICK GO:0000792 1 NOT-qualified manual annotation exists with evidence code ECO:0000314 from this reference: PMID:11453553
NOT-qualified manual protein Q14TE9 10116 Q14TE9_RAT GO:0005694 1 NOT-qualified manual annotation exists with evidence code ECO:0000266 from this reference: GO_REF:0000096
NOT-qualified manual protein Q63177 10116 Q63177_RAT GO:0005694 1 NOT-qualified manual annotation exists with evidence code ECO:0000266 from this reference: GO_REF:0000096
NOT-qualified manual protein Q64511 10090 TOP2B_MOUSE GO:0005694 1 NOT-qualified manual annotation exists with evidence code ECO:0000314 from this reference: PMID:11835579
NOT-qualified manual protein Q8NFT6 9606 DBF4B_HUMAN GO:0000785 1 NOT-qualified manual annotation exists with evidence code ECO:0000314 from this reference: PMID:15668232
NOT-qualified manual protein Q9URY0 284812 YTM1_SCHPO GO:0000785 1 NOT-qualified manual annotation exists with evidence code ECO:0000314 from this reference: PMID:36423630

Co-occurring Terms

These tables show the number of times the term listed in the table has been co-annotated.

No co-occurrence statistics for GO:1990342 based on ALL annotations
The top 100 of 208 co-occurring terms
Co-occurring Term PR S% #Together #Compared
heterochromatin island
711,455.40 100.00 274 274
subtelomeric heterochromatin
558,554.94 55.42 179 228
siRNA-independent facultative heterochromatin formation
391,193.00 43.03 182 331
negative regulation of transcription by transcription factor localization
411,444.10 37.99 144 249
HDA1 complex
91,965.52 11.58 144 1,114
siRNA catabolic process
243,927.58 10.50 36 105
nuclear-transcribed mRNA catabolic process, meiosis-specific transcripts
92,415.86 9.05 63 485
nuclear exosome focus
87,713.69 8.21 54 438
nuclear mRNA surveillance of spliceosomal pre-mRNA splicing
411,895.25 7.59 22 38
SHREC complex
51,386.29 6.91 168 2,326
Totals 4932 598955
No co-occurrence statistics for GO:1990342 based on MANUAL annotations
The top 100 of 141 co-occurring terms
Co-occurring Term PR S% #Together #Compared
heterochromatin island
86,119.94 100.00 15 15
nuclear exosome focus
47,844.41 26.32 5 9
subtelomeric heterochromatin
24,113.58 21.21 7 25
siRNA-independent facultative heterochromatin formation
43,059.97 21.05 4 8
nuclear-transcribed mRNA catabolic process, meiosis-specific transcripts
28,706.65 20.00 5 15
regulation of siRNA-independent facultative heterochromatin formation
51,671.96 17.65 3 5
nuclear mRNA surveillance of spliceosomal pre-mRNA splicing
23,487.25 13.04 3 11
RITS complex
57,413.29 12.50 2 3
regulatory ncRNA 3'-end processing
28,706.65 10.53 2 6
siRNA-mediated pericentric heterochromatin formation
12,758.51 10.53 4 27
Totals 198 19112

Change Log

Timestamp Action Category Detail
2024-09-05 Added CONSTRAINT in_taxon NCBITaxon:131567 (cellular organisms)
2020-10-23 Added RELATION is a GO:0000792 (heterochromatin)
2020-10-23 Deleted RELATION is a GO:0005720 (nuclear heterochromatin)
2020-05-06 Deleted DEFINITION A region of heterochromatin that is formed dynamically in response to environmental signals by a process that does not require RNAi, and is enriched in histone H3 methylated on lysine 9 (H3K9me).
2020-05-06 Added DEFINITION A region of facultative heterochromatin formed dynamically at specific loci in response to environmental signals, independently of RNAi.
2014-03-25 Added RELATION is a GO:0005720 (nuclear heterochromatin)
2014-03-25 Added DEFINITION A region of heterochromatin that is formed dynamically in response to environmental signals by a process that does not require RNAi, and is enriched in histone H3 methylated on lysine 9 (H3K9me).
2014-03-25 Added TERM heterochromatin island
Timestamp Action Category Detail
2014-03-25 Added TERM heterochromatin island
Timestamp Action Category Detail
2020-05-06 Deleted DEFINITION A region of heterochromatin that is formed dynamically in response to environmental signals by a process that does not require RNAi, and is enriched in histone H3 methylated on lysine 9 (H3K9me).
2020-05-06 Added DEFINITION A region of facultative heterochromatin formed dynamically at specific loci in response to environmental signals, independently of RNAi.
2014-03-25 Added DEFINITION A region of heterochromatin that is formed dynamically in response to environmental signals by a process that does not require RNAi, and is enriched in histone H3 methylated on lysine 9 (H3K9me).
Timestamp Action Category Detail
2020-10-23 Added RELATION is a GO:0000792 (heterochromatin)
2020-10-23 Deleted RELATION is a GO:0005720 (nuclear heterochromatin)
2014-03-25 Added RELATION is a GO:0005720 (nuclear heterochromatin)
Timestamp Action Category Detail
Timestamp Action Category Detail
2024-09-05 Added CONSTRAINT in_taxon NCBITaxon:131567 (cellular organisms)
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