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Literature summary extracted from

  • Schnee, C.; K๖llner, T.G.; Held, M.; Turlings, T.C.; Gershenzon, J.; Degenhardt, J.
    The products of a single maize sesquiterpene synthase form a volatile defense signal that attracts natural enemies of maize herbivores (2006), Proc. Natl. Acad. Sci. USA, 103, 1129-1134.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
4.2.3.47 expression in Arabidopsis thaliana Zea mays
4.2.3.81 overexpression of tps10 in Arabidopsis thaliana results in plants emitting high quantities of TPS10 sesquiterpene products identical to that released by maize Zea mays

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.2.3.47 (2E,6E)-farnesyl diphosphate Zea mays
-
 (E)-beta-farnesene + diphosphate
-
 ?
4.2.3.81 (2E,6E)-farnesyl diphosphate Zea mays after herbivory by lepidopteran larvae, maize releases a mixture of volatiles that is highly attractive to females of various parasitic wasp species. The terpene synthase TPS10 forms (E)-beta-farnesene, (E)-alpha-bergamotene, and other herbivory-induced sesquiterpene hydrocarbons from the substrate farnesyl diphosphate (-)-exo-alpha-bergamotene + diphosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
4.2.3.47 Zea mays Q2NM15
-
-
4.2.3.81 Zea mays Q2NM15
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.3.47 (2E,6E)-farnesyl diphosphate
-
 Zea mays (E)-beta-farnesene + diphosphate
-
 ?
4.2.3.81 (2E,6E)-farnesyl diphosphate
-
 Zea mays (-)-exo-alpha-bergamotene + diphosphate
-
 ?
4.2.3.81 (2E,6E)-farnesyl diphosphate after herbivory by lepidopteran larvae, maize releases a mixture of volatiles that is highly attractive to females of various parasitic wasp species. The terpene synthase TPS10 forms (E)-beta-farnesene, (E)-alpha-bergamotene, and other herbivory-induced sesquiterpene hydrocarbons from the substrate farnesyl diphosphate Zea mays (-)-exo-alpha-bergamotene + diphosphate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
4.2.3.47 terpene synthase T0
-
 Zea mays
4.2.3.47 terpene synthase TPS10
-
 Zea mays
4.2.3.81 TPS10
-
 Zea mays

Expression

EC Number Organism Comment Expression
4.2.3.47 Zea mays the gene is expressed in response to herbivore attack and is regulated at the transcript level up
4.2.3.81 Zea mays expressed in response to herbivore attack and is regulated at the transcript level up

General Information

EC Number General Information Comment Organism
4.2.3.47 physiological function the enzyme forms the herbivore-induced sesquiterpene volatiles of maize. Females of the parasitoid Cotesia marginiventris learn to exploit the TPS10 sesquiterpenes to locate their lepidopteran hosts after prior exposure to these volatiles in association with hosts. Thus the sesquiterpenes produced by TPS10 can provide a volatile signal for the indirect defense of the plant against herbivore attack Zea mays