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ONTOLOGY REPORT - ANNOTATIONS


Term:red or far-red light signaling pathway
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Accession:GO:0010017 term browser browse the term
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.
Synonyms:exact_synonym: red or far red light signalling pathway;   red or far-red light signal transduction;   red/far red light signaling pathway
 broad_synonym: phytochrome signaling pathway


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red, far-red light phototransduction term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Rho rhodopsin IDA RGD PMID:2525480 RGD:6893558 NCBI chr 4:147,832,136...147,837,298
Ensembl chr 4:147,832,136...147,837,298
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Term paths to the root
Path 1
Term Annotations click to browse term
  biological_process 20014
    signaling 7588
      signal transduction 7015
        red or far-red light signaling pathway 1
          far-red light signaling pathway 0
          negative regulation of red or far-red light signaling pathway 0
          positive regulation of red or far-red light signaling pathway 0
          red light signaling pathway 0
          red, far-red light phototransduction 1
          regulation of red or far-red light signaling pathway + 0
Path 2
Term Annotations click to browse term
  biological_process 20014
    cellular process 18788
      cellular response to stimulus 8906
        cellular response to environmental stimulus 406
          cellular response to abiotic stimulus 406
            cellular response to radiation 187
              cellular response to light stimulus 115
                cellular response to red or far red light 1
                  red or far-red light signaling pathway 1
                    far-red light signaling pathway 0
                    negative regulation of red or far-red light signaling pathway 0
                    positive regulation of red or far-red light signaling pathway 0
                    red light signaling pathway 0
                    red, far-red light phototransduction 1
                    regulation of red or far-red light signaling pathway + 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.