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red or far-red light signaling pathway

Term Information

Accession
GO:0010017
Name
red or far-red light signaling pathway
Ontology
biological_process
Synonyms
red or far red light signaling pathway, red or far-red light signal transduction, red or far-red light signalling pathway, red/far red light signaling pathway, phytochrome signaling pathway
Alternate IDs
None
Definition
The series of molecular signals initiated upon sensing by photoreceptor molecules of red light or far red light. Red light is electromagnetic radiation of wavelength of 580-700nm. 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:0010017 at QuickGO
Subset
None
Feedback
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Parents of red or far-red light signaling pathway (GO:0010017)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
red or far-red light signaling pathway [is_a relation] is_a  signal transduction (GO:0007165)
red or far-red light signaling pathway [is_a relation] is_a  cellular response to red or far red light (GO:0071489)
Children of red or far-red light signaling pathway (GO:0010017)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
red light signaling pathway (GO:0010161) [is_a relation] is_a  red or far-red light signaling pathway
regulation of red or far-red light signaling pathway (GO:0090227) [RO:0002211 relation] RO:0002211  red or far-red light signaling pathway
red, far-red light phototransduction (GO:0009585) [BFO:0000050 relation] BFO:0000050  red or far-red light signaling pathway
far-red light signaling pathway (GO:0010018) [is_a relation] is_a  red or far-red light signaling pathway
negative regulation of red or far-red light signaling pathway (GO:0090229) [RO:0002212 relation] RO:0002212  red or far-red light signaling pathway
positive regulation of red or far-red light signaling pathway (GO:0090228) [RO:0002213 relation] RO:0002213  red or far-red light signaling pathway
None.