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The Sequence Types and Features Ontology (SO) is downloaded weekly from the SourceForge CVS repository at For more information about this ontology, see the Sequence Ontology Home Page at

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Accession:SO:0002314 term browser browse the term
Definition:A sequence variant that alters the level or amount of gene product produced. This high level term can be applied where the direction of level change (increased vs decreased gene product level) is unknown or not confirmed.
Comment:Added as per request from Ang Roberts as part of GenCC November 2020. See Issue Request #501 ( Updated definition 17 Feb 2023 along with updates from GenCC. See Issue Request #612.
Synonyms:exact_synonym: altered gene product level;   altered transcription level;   altered_transcription_level

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Path 1
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  SO ontology 0
    sequence_variant 0
      functional_effect_variant 0
        altered_gene_product_level 0
          decreased_gene_product_level + 0
          increased_gene_product_level 0
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