(E)-beta-ocimene synthase

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(E)-beta-ocimene synthase
EC number
IntEnz IntEnz view
ExPASy NiceZyme view
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum

(E)-beta-ocimene synthase (EC, beta-ocimene synthase, AtTPS03, ama0a23, LjEbetaOS, MtEBOS) is an enzyme with systematic name geranyl-diphosphate diphosphate-lyase ((E)-beta-ocimene-forming).[1][2][3][4] This enzyme catalyses the following chemical reaction

geranyl diphosphate (E)-beta-ocimene + diphosphate

This enzyme is widely distributed in plants, which release beta-ocimene when attacked by herbivorous insects.


  1. ^ Faldt, J.; Arimura, G.; Gershenzon, J.; Takabayashi, J.; Bohlmann, J. (2003). "Functional identification of AtTPS03 as (E)-β-ocimene synthase: a monoterpene synthase catalyzing jasmonate- and wound-induced volatile formation in Arabidopsis thaliana". Planta. 216 (5): 745–751. doi:10.1007/s00425-002-0924-0. PMID 12624761. 
  2. ^ Dudareva, N.; Martin, D.; Kish, C.M.; Kolosova, N.; Gorenstein, N.; Faldt, J.; Miller, B.; Bohlmann, J. (2003). "(E)-β-ocimene and myrcene synthase genes of floral scent biosynthesis in snapdragon: function and expression of three terpene synthase genes of a new terpene synthase subfamily". Plant Cell. 15 (5): 1227–1241. doi:10.1105/tpc.011015. PMC 153728Freely accessible. PMID 12724546. 
  3. ^ Arimura, G.; Ozawa, R.; Kugimiya, S.; Takabayashi, J.; Bohlmann, J. (2004). "Herbivore-induced defense response in a model legume. Two-spotted spider mites induce emission of (E)-β-ocimene and transcript accumulation of (E)-β-ocimene synthase in Lotus japonicus". Plant Physiol. 135 (4): 1976–1983. doi:10.1104/pp.104.042929. PMC 520769Freely accessible. PMID 15310830. 
  4. ^ Navia-Gine, W.G.; Yuan, J.S.; Mauromoustakos, A.; Murphy, J.B.; Chen, F.; Korth, K.L. (2009). "Medicago truncatula (E)-β-ocimene synthase is induced by insect herbivory with corresponding increases in emission of volatile ocimene". Plant Physiol. Biochem. 47 (5): 416–425. doi:10.1016/j.plaphy.2009.01.008. PMC 2710562Freely accessible. PMID 19249223. 

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