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EC Tree
IUBMB Comments This diterpene cyclase produces stemar-13-ene, a putative precursor of the rice phytoalexin oryzalexin S. Phytoalexins are diterpenoid secondary metabolites that are involved in the defense mechanism of the plant, and are produced in response to pathogen attack through the perception of elicitor signal molecules such as chitin oligosaccharide, or after exposure to UV irradiation.
Word Map
4.2.3.33
phytoalexins
rice
oryzalexins
diterpene
diterpenoids
sativa
syn-copalyl
oryza
phytohormone
phytocassanes
gibberellin
momilactones
labdane-related
oscps4
elicitors
geranylgeranyl
indica
ent-copalyl
suspension-cultured
chitin
The expected taxonomic range for this enzyme is: Oryza
Synonyms
ent-kaurene synthase like 8 japonica, ent-kaurene synthase-like 8, KS like 8, KSL8, OrKSL8j, OsDTC2, OsKSL8, stemar-13-ene synthase, stemod-13-ene synthase,
more
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ent-kaurene synthase like 8 japonica
UniProt
ent-kaurene synthase-like 8
-
OsDTC2
-
-
stemar-13-ene synthase
-
-
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9alpha-copalyl diphosphate = stemar-13-ene + diphosphate
-
-
-
-
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9alpha-copalyl-diphosphate diphosphate-lyase (stemar-13-ene-forming)
This diterpene cyclase produces stemar-13-ene, a putative precursor of the rice phytoalexin oryzalexin S. Phytoalexins are diterpenoid secondary metabolites that are involved in the defense mechanism of the plant, and are produced in response to pathogen attack through the perception of elicitor signal molecules such as chitin oligosaccharide, or after exposure to UV irradiation.
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9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
9alpha-copalyl diphosphate
stemod-13-ene + diphosphate
9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
-
-
-
-
?
9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
-
-
-
?
9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
-
the enzyme converts syn-copalyl diphosphate into stemar-13-ene, a putative diterpene hydrocarbon precursor of the phytoalexin oryzalexin S. The transcriptional expression of OsDTC2 is induced by treatment of suspension-cultured rice cells with a chitin oligosaccharide elicitor
-
-
?
9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
the enzyme converts syn-copalyl diphosphate to stemar-13-ene, a putative diterpene hydrocarbon precursor of the phytoalexin oryzalexin S
-
-
?
9alpha-copalyl diphosphate
stemod-13-ene + diphosphate
-
-
-
?
9alpha-copalyl diphosphate
stemod-13-ene + diphosphate
-
-
-
?
9alpha-copalyl diphosphate
stemod-13-ene + diphosphate
i.e. syn-copalyl diphosphate
-
-
?
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9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
9alpha-copalyl diphosphate
stemod-13-ene + diphosphate
9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
-
the enzyme converts syn-copalyl diphosphate into stemar-13-ene, a putative diterpene hydrocarbon precursor of the phytoalexin oryzalexin S. The transcriptional expression of OsDTC2 is induced by treatment of suspension-cultured rice cells with a chitin oligosaccharide elicitor
-
-
?
9alpha-copalyl diphosphate
stemar-13-ene + diphosphate
the enzyme converts syn-copalyl diphosphate to stemar-13-ene, a putative diterpene hydrocarbon precursor of the phytoalexin oryzalexin S
-
-
?
9alpha-copalyl diphosphate
stemod-13-ene + diphosphate
-
-
-
?
9alpha-copalyl diphosphate
stemod-13-ene + diphosphate
-
-
-
?
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Mg2+
required
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cv. W01943
UniProt
brenda
cv. Nipponbare
UniProt
brenda
-
-
-
brenda
-
SwissProt
brenda
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-
-
brenda
the level of OsDTC2 mRNA in suspension-cultured rice cells began to increase 3 h after addition of the elicitor and reached the maximum after 8 h
brenda
-
brenda
expression of OsDTC2 is induced in UV-irradiated rice leaves
brenda
-
brenda
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evolution
enzymes KSLs belong to the type A/class I terpene synthase family
evolution
enzymes KSLs belong to the type A/class I terpene synthase family
physiological function
OrKSL8j functions as a stemod-13-ene synthase responsible for biosynthesis of oryzalexins S
physiological function
OsKSL8 encodes a stemar-13-ene synthase responsible for biosynthesis of oryzalexins S
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KSL8_ORYSJ
822
0
90258
Swiss-Prot
Chloroplast (Reliability: 2 )
A0A2Z6BAJ2_ORYRU
822
0
90215
TrEMBL
-
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gene KSL8, sequence comparisons and phylogenetic analysis and tree
gene KSL8ind, sequence comparisons and phylogenetic analysis and tree
OsDTC2 cDNA is overexpressed in Escherichia coli as a fusion protein with glutathione S-transferase
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Mohan, R.S.; Yee, N.K.; Coates, R.M.; Ren, Y.Y.; Stamenkovic, P.; Mendez, I.; West, C.A.
Biosynthesis of cyclic diterpene hydrocarbons in rice cell suspensions: conversion of 9,10-syn-labda-8(17),13-dienyl diphosphate to 9beta-pimara-7,15-diene and stemar-13-ene
Arch. Biochem. Biophys.
330
33-47
1996
Oryza sativa
brenda
Nemoto, T.; Okada, A.; Okada, K.; Shibuya, N.; Toyomasu, T.; Nojiri, H.; Yamane, H.
Promoter analysis of the rice stemar-13-ene synthase gene OsDTC2, which is involved in the biosynthesis of the phytoalexin oryzalexin S
Biochim. Biophys. Acta
1769
678-683
2007
Oryza sativa
brenda
Nemoto, T.; Cho, E.M.; Okada, A.; Okada, K.; Otomo, K.; Kanno, Y.; Toyomasu, T.; Mitsuhashi, W.; Sassa, T.; Minami, E.; Shibuya, N.; Nishiyama, M.; Nojiri, H.; Yamane, H.
Stemar-13-ene synthase, a diterpene cyclase involved in the biosynthesis of the phytoalexin oryzalexin S in rice
FEBS Lett.
571
182-186
2004
Oryza sativa (Q6BDZ9), Oryza sativa
brenda
Toyomasu, T.; Miyamoto, K.; Shenton, M.R.; Sakai, A.; Sugawara, C.; Horie, K.; Kawaide, H.; Hasegawa, M.; Chuba, M.; Mitsuhashi, W.; Yamane, H.; Kurata, N.; Okada, K.
Characterization and evolutionary analysis of ent-kaurene synthase like genes from the wild rice species Oryza rufipogon
Biochem. Biophys. Res. Commun.
480
402-408
2016
Oryza rufipogon (A0A2Z6BAJ2), Oryza rufipogon, Oryza sativa Japonica Group (Q6BDZ9)
brenda
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