FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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Term cellular response to singlet oxygen ID (Ontology) GO:0071452 (Gene Ontology)
Definition Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a singlet oxygen stimulus. Singlet oxygen is a dioxygen (O2) molecule in which two 2p electrons have similar spin. Singlet oxygen is more highly reactive than the form in which these electrons are of opposite spin, and it is produced in mutant chloroplasts lacking carotenoids and by leukocytes during metabolic burst.
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response to reactive oxygen species
 |__response to singlet oxygen____________________
 |__cellular response to reactive oxygen species__|
cellular response to oxidative stress             |
 |__cellular response to reactive oxygen species__|
cellular response to oxygen-containing compound   |
 |__cellular response to reactive oxygen species__|
                                                  cellular response to singlet oxygen
                                                   |__singlet oxygen-mediated programmed cell death
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cellular response to reactive oxygen species
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