(E)-beta-ocimene synthase

(E)-beta-ocimene synthase
EC no.
IntEnzIntEnz view
ExPASyNiceZyme view
MetaCycmetabolic pathway
PDB structuresRCSB 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. ^ Fäldt J, Arimura G, Gershenzon J, Takabayashi J, Bohlmann J (March 2003). "Functional identification of AtTPS03 as (E)-beta-ocimene synthase: a monoterpene synthase catalyzing jasmonate- and wound-induced volatile formation in Arabidopsis thaliana". Planta. 216 (5): 745–51. doi:10.1007/s00425-002-0924-0. PMID 12624761.
  2. ^ Dudareva N, Martin D, Kish CM, Kolosova N, Gorenstein N, Fäldt J, Miller B, Bohlmann J (May 2003). "(E)-beta-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". The Plant Cell. 15 (5): 1227–41. doi:10.1105/tpc.011015. PMC 153728. PMID 12724546.
  3. ^ Arimura G, Ozawa R, Kugimiya S, Takabayashi J, Bohlmann J (August 2004). "Herbivore-induced defense response in a model legume. Two-spotted spider mites induce emission of (E)-beta-ocimene and transcript accumulation of (E)-beta-ocimene synthase in Lotus japonicus". Plant Physiology. 135 (4): 1976–83. doi:10.1104/pp.104.042929. PMC 520769. PMID 15310830.
  4. ^ Navia-Giné WG, Yuan JS, Mauromoustakos A, Murphy JB, Chen F, Korth KL (May 2009). "Medicago truncatula (E)-beta-ocimene synthase is induced by insect herbivory with corresponding increases in emission of volatile ocimene". Plant Physiology and Biochemistry. 47 (5): 416–25. doi:10.1016/j.plaphy.2009.01.008. PMC 2710562. PMID 19249223.

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