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Term Information

Accession
GO:0010218
Name
response to far red light
Ontology
biological_process
Synonyms
response to far red light stimulus
Alternate IDs
None
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 far red light stimulus. Far red light is electromagnetic radiation of wavelength 700-800nm. 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. Source: GOC:mtg_far_red, GOC:tb
Comment
None
History
See term history for GO:0010218 at QuickGO
Subset
None
Feedback
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Graph of GO:0010218

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Parents of response to far red light (GO:0010218)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
response to far red light [is_a relation] is_a  response to red or far red light (GO:0009639)
Children of response to far red light (GO:0010218)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
response to continuous far red light stimulus by the high-irradiance response system (GO:0010201) [is_a relation] is_a  response to far red light
cellular response to far red light (GO:0071490) [is_a relation] is_a  response to far red light
None.