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
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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.
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
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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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