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Term Information

Accession
GO:0010018
Name
far-red light signaling pathway
Ontology
biological_process
Synonyms
far red light signalling pathway, far red signaling pathway, far-red light signal transduction
Alternate IDs
None
Definition
The series of molecular signals initiated upon sensing of far red light by a photoreceptor molecule. 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:lr, GOC:sm
Comment
None
History
See term history for GO:0010018 at QuickGO
Subset
None
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Graph of GO:0010018

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Parents of far-red light signaling pathway (GO:0010018)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
far-red light signaling pathway [is_a relation] is_a  red or far-red light signaling pathway (GO:0010017)
far-red light signaling pathway [is_a relation] is_a  cellular response to far red light (GO:0071490)
Children of far-red light signaling pathway (GO:0010018)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
far-red light photoreceptor activity (GO:0031516) [BFO:0000050 relation] BFO:0000050  far-red light signaling pathway
None.