FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term response to red light ID (Ontology) GO:0010114 (Gene Ontology)
Definition Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a red light stimulus. Red light is electromagnetic radiation of wavelength of 580-700nm. An example of this response is seen at the beginning of many plant species developmental stages. These include germination, and the point when cotyledon expansion is triggered. In certain species these processes take place in response to absorption of red light by the pigment molecule phytochrome, but the signal can be reversed by exposure to far red light. During the initial phase the phytochrome molecule is only present in the red light absorbing form, but on absorption of red light it changes to a far red light absorbing form, triggering progress through development. An immediate short period of exposure to far red light entirely returns the pigment to its initial state and prevents triggering of the developmental process. A thirty minute break between red and subsequent far red light exposure renders the red light effect irreversible, and development then occurs regardless of whether far red light exposure subsequently occurs.
Also Known As "response to red light stimulus"
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Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS       2
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 response to red light (all annotations which use CV term, excluding "NOT" statements)       2
     involved_in | response to red light       2
Spanning Tree (Parents/Children)
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  response to light stimulus
   |__response to red or far red light
       |__response to red light  2 rec.
           |__cellular response to red light
           |   |__red light signaling pathway
           |__response to low fluence red light stimulus
           |__response to photoperiod, red light
           |__response to very low fluence red light stimulus
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Is a response to red or far red light
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