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ONTOLOGY REPORT - ANNOTATIONS

Term:response to red light
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Accession:GO:0010114 term browser browse the term
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.
Synonyms:exact_synonym: response to red light stimulus


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  biological_process 19870
    response to stimulus 10558
      response to abiotic stimulus 1580
        response to radiation 521
          response to light stimulus 368
            response to red or far red light 1
              response to red light 0
                cellular response to red light + 0
                response to low fluence red light stimulus 0
                response to photoperiod, red light 0
                response to very low fluence red light stimulus 0
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