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(2E,6E)-farnesyl diphosphate
(E)-beta-ocimene + diphosphate
-
-
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
additional information
?
-
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
products are 97% (E)-beta-ocimene plus 2% (Z)-beta-ocimene and 1% myrcene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
product formation does not proceed via an RR-dependent isomerization of geranyl diphosphate to 3S-linalyl diphosphate
97% (E)-beta-ocimene plus minor amounts of (Z)-beta-ocimene and myrcene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
-
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
products of Arabidopsis thaliana TPS10 are 56% beta-myrcene, 20% (E)-beta-ocimene, and less than 5% each of (+)-limonene, (-)-limonene, 2-carene, and tricyclene and an unknown monoterpene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
94% (E)-beta-ocimene plus 4% (Z)-beta-ocimene and 2% myrcene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
main products are 56% beta-myrcene and 20% (E)-beta-ocimene plus minor amounts of (-)-limonene, (+)-limnonene, 2-carene and tricyclene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
-
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
97.2% (E)-beta-ocimene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
97.2% (E)-beta-ocimene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
-
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
-
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
products are alpha-thujene and (+)-sabinene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
products are 98% (E)-beta-ocimene plus 2% (Z)-beta-ocimene, 98% (E)-beta-ocimene plus 2% (Z)-beta-ocimene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
-
98% (E)-beta-ocimene plus 2% (Z)-beta-ocimene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
products are 97.5% (E)-beta-ocimene plus 2% (Z)-beta-ocimene and 0.5% myrcene
-
?
geranyl diphosphate
(E)-beta-ocimene + diphosphate
-
97.5% of (E)-beta-ocimene plus 2% (Z)-beta-ocimene and 0.5% myrcene
-
?
additional information
?
-
enzyme shows both (E)-beta-ocimene and (E,E)-alpha-farnesene synthase activities
-
-
?
additional information
?
-
the enzyme shows no activity with farnesyl diphosphate. Reaction products are identified by GC-MS analysis
-
-
?
additional information
?
-
no substrate: farnesyl diphosphate and geranylgeranyl diphosphate
-
-
?
additional information
?
-
no substrate: farnesyl diphosphate and geranylgeranyl diphosphate
-
-
?
additional information
?
-
GC-MS product analysis
-
-
?
additional information
?
-
-
GC-MS product analysis
-
-
?
additional information
?
-
in vivo emission of E-beta-ocimene from flowers is very low, but southern race Mimulus lewisii flowers emit significantly more E-beta-ocimene than northern race flowers
-
-
?
additional information
?
-
-
in vivo emission of E-beta-ocimene from flowers is very low, but southern race Mimulus lewisii flowers emit significantly more E-beta-ocimene than northern race flowers
-
-
?
additional information
?
-
GC-MS analysis of floral volatiles and enzyme reaction product
-
-
?
additional information
?
-
-
GC-MS analysis of floral volatiles and enzyme reaction product
-
-
?
additional information
?
-
no substrates: farnesyl diphosphate or geranylgeranyl diphosphate.
-
-
?
additional information
?
-
-
no substrates: farnesyl diphosphate or geranylgeranyl diphosphate.
-
-
?
additional information
?
-
no substrate: farnesyl diphosphate
-
-
?
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-
brenda
glandular
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-
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expression occurs constitutively in floral tissues
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abundant in flower, amount decreases towards fruit development
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-
abundant in flower, amount decreases towards fruit development
-
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-
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-
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abundant in flower, amount decreases towards fruit development
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-
abundant in flower, amount decreases towards fruit development
-
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developing fruits and mature fruits
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-
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-
-
-
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male leaves and female leaves
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low constitutive levels of transcripts
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(E)-b-ocimene is released from leaves of both undamaged and insect-damaged plants, but at levels two-fold higher in insect-damaged M.edicago truncatula
brenda
-
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maximum TPS transcript accumulation is observed in flower petals, analysis of JsTPS expression in different developmental stages and in different floral part by semiquantitative RT-PCR. Unopened flower (buds) emit no beta-ocimene or farnesene. Senescence initiated in Jasminnum sambac flower after 24 h of petal opening, while low emission of linalool and beta-ocimene is detected until the abscission of floral tissue. beta-Ocimene is not detected in any other floral tissue except petals with a very lowamount of emission
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additional information
transcriptome analysis of trichomes of the cannabis hemp variety Finola reveals sequences of all stages of terpene biosynthesis. Major terpene compounds such as beta-myrcene, (E)-beta-ocimene, (-)-limonene, (+)-alpha-pinene, beta-caryophyllene, and alpha-humulene. Transcripts associated with terpene biosynthesis are highly expressed in trichomes compared to non-resin producing tissues. Relative composition of terpene profiles in Cannabis sativa var. Finola pistillate flowers, overview
brenda
additional information
during the life span of Jasminum sambac flower, clear variations in monoterpene emission between the day and night periods are observed for linalool and beta-ocimene that continue to emituntil next morning
brenda
additional information
-
during the life span of Jasminum sambac flower, clear variations in monoterpene emission between the day and night periods are observed for linalool and beta-ocimene that continue to emituntil next morning
brenda
additional information
no constitutive expression in flowers, stems or roots
brenda
additional information
transcripts of MtEBOS are not detected via RNA blots in stems, flowers, and roots
brenda
additional information
-
transcripts of MtEBOS are not detected via RNA blots in stems, flowers, and roots
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metabolism
transcriptome analysis of trichomes of the cannabis hemp variety Finola reveal sequences of all stages of terpene biosynthesis. Nine cannabis terpene synthases (CsTPS) are identified in subfamilies TPS-a and TPS-b. Functional characterization identified mono- and sesqui-TPS, whose products collectively comprise most of the terpenes of Finola resin, including major compounds such as beta-myrcene, (E)-beta-ocimene, (-)-limonene, (+)-alpha-pinene, beta-caryophyllene, and alpha-humulene
evolution
the enzyme is a member of the terpene synthase (TPS) superfamily, CsTPSFN TPS-b subfamily
evolution
the taxa closely related to Mimulus lewisii have evolved several diff erent pollination syndromes, including hummingbird pollination and self pollination (autogamy), floral scent variation contributing to species diversification in this clade, E-beta-ocimene emission within this Mimulus clade does only occur in Mimulus lewisii, given the very low E-beta-ocimene emission in vivo, Mimulus parishii has a fully functional ocimene synthase enzyme in vitro, the other taxa do not emit E-beta- ocimene from flowers, overview
physiological function
differences in the relative emissions of (E)-beta-ocimene and (E,E)-alpha-farnesene from accession Wassilewskija, a high-(E)-beta-ocimene emitter, and accession Columbia, a trace-(E)-beta-ocimene emitter, are attributed to allelic variation of closely related, tandem-duplicated terpene synthase genes, TPS02 and TPS03. The Wassilewskija genome contains a functional allele of TPS02 but not of TPS03, while the opposite is the case for Columbia. Recombinant proteins of the functional Wassilewskija TPS02 and Columbia TPS03 genes both show (E)-beta-ocimene and (E,E)-alpha-farnesene synthase activities. Differential subcellular compartmentalization of the two enzymes in plastids and the cytosol is responsible for the ecotype-specific differences in (E)-beta-ocimene/(E,E)-alpha-farnesene emission
physiological function
enzyme is involved in the herbivore-induced indirect defense response of spider mite-infested Lotus japonicus via de novo formation and emission (E)-beta-ocimene
physiological function
E-beta-ocimene, a monoterpene produced by ocimene synthase (OS) in Mimulus lewisii, is a floral scent important in attracting the species' bumblebee pollinators
physiological function
floral scent of Jasminum sambac (Oleaceae) includes three major benzenoid esters: benzylacetate, methylbenzoate, and methylsalicylate, and three major terpene compounds viz. (E)-beta-ocimene, linalool and alpha-farnesene, analysis of concentrations and emission rates of benzenoids and terpenoids during the developmental stages of the flowers, overview
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BOMS_ORIVU
595
0
69381
Swiss-Prot
Chloroplast (Reliability: 1)
TPS4_MATCR
596
0
69526
Swiss-Prot
Mitochondrion (Reliability: 5)
TPS4_MEDTR
580
0
67120
Swiss-Prot
Chloroplast (Reliability: 4)
TPS2_COFAR
572
0
66141
Swiss-Prot
other Location (Reliability: 3)
TPS2_LOTJA
595
0
68846
Swiss-Prot
Chloroplast (Reliability: 2)
TPS3_COFAR
596
0
68839
Swiss-Prot
Chloroplast (Reliability: 3)
FARNS_PICXS
580
0
66198
Swiss-Prot
other Location (Reliability: 3)
TPS1_LITCU
582
0
67150
Swiss-Prot
Chloroplast (Reliability: 3)
TPS1_ANTMA
579
0
66728
Swiss-Prot
Chloroplast (Reliability: 5)
TPSA_ARATH
591
0
69279
Swiss-Prot
Chloroplast (Reliability: 4)
TPS12_SOLHA
545
0
63985
Swiss-Prot
other Location (Reliability: 3)
TPS12_SOLLC
548
0
64321
Swiss-Prot
other Location (Reliability: 5)
TPS17_SOLHA
554
0
64892
Swiss-Prot
other Location (Reliability: 2)
TPS17_SOLLC
554
0
64835
Swiss-Prot
other Location (Reliability: 2)
CIN_NICSU
610
0
71146
Swiss-Prot
Chloroplast (Reliability: 3)
TPS03_ARATH
565
0
65753
Swiss-Prot
Mitochondrion (Reliability: 3)
A0A6C0QGI1_TAICR
593
0
68724
TrEMBL
Chloroplast (Reliability: 4)
A0A6G6A9V1_CAMSI
583
0
67534
TrEMBL
Chloroplast (Reliability: 4)
A0A2P6S2I2_ROSCH
303
0
34760
TrEMBL
Mitochondrion (Reliability: 3)
A0A2P6S2H0_ROSCH
455
0
51476
TrEMBL
Chloroplast (Reliability: 4)
A0A6C0QEC8_TAICR
628
0
72907
TrEMBL
Chloroplast (Reliability: 5)
A0A072UIS6_MEDTR
580
0
67133
TrEMBL
Chloroplast (Reliability: 4)
A0A2P6S2H9_ROSCH
323
0
36239
TrEMBL
Chloroplast (Reliability: 2)
A0A068B0P2_9ROSA
570
0
65203
TrEMBL
other Location (Reliability: 3)
A0A1B0WVE7_9LAMI
184
0
21853
TrEMBL
-
A0A1V0QSH1_CANSA
594
0
70041
TrEMBL
-
B1P189_PHALU
593
0
68496
TrEMBL
-
Q5CD81_CITUN
617
0
71283
TrEMBL
Secretory Pathway (Reliability: 4)
W6A3F2_ERYLE
539
0
62390
TrEMBL
-
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expression is induced in leaves by elicitor and insect treatment
induced in plants infested with two-spotted spider mites (Tetranychus urticae), coinciding with increasing emissions of (E)-beta-ocimene as well as other volatiles, (Z)-3-hexenyl acetate and (E)-4,8-dimethyl-1,3,7-nonatriene, by the infested plants. Mechanical wounding of the leaves or application of alamethicin also induces transiently increased levels of EbOS transcripts in Lotus japonicus. Wounding or alamethicin does not result in elevated release of (E)-beta-ocimene
mRNA is detected first in mature flower buds, and its level increases until it peaks on day 4 after anthesis. Over the next 3 days, mRNA levels decline sharply by 40% and decrease slowly thereafter
only slight variations in monoterpene synthase mRNA levels during the daily light/dark cycle
transcripts accumulate in leaves in response to exogenous jasmonic acid treatments, lepidopteran herbivory, and lepidopteran oral secretions
transcripts are upregulated in response to mechanical wounding and treatment with jasmonic acid, concurrent with induced emission of (E)-beta-ocimene
transcripts of LjEbOS are induced in plants infested with two-spotted spider mites, Tetranychus urticae, coinciding with increasing emissions of (E)-beta-ocimene as well as other volatiles, (Z)-3-hexenyl acetate and (E)-4,8-dimethyl-1,3,7-nonatriene, by the infested plants. Mechanical wounding of the leaves or application of alamethicin, a potent fungal elicitor of plant volatile emission, also induces transiently increased levels of transcripts, but not elevated release of (E)-beta-ocimene
treatment with 1-aminocyclopropane-1-carboxylic acid does not cause an increase in transcripts
treatment with the ethylene precursor, 1-aminocyclopropane-1-carboxylic acid does not cause an increase in transcripts
transcripts accumulate in leaves in response to exogenous jasmonic acid treatments, lepidopteran herbivory, and lepidopteran oral secretions
transcripts accumulate in leaves in response to exogenous jasmonic acid treatments, lepidopteran herbivory, and lepidopteran oral secretions
-
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Bohlmann, J.; Martin, D.; Oldham, N.J.; Gershenzon, J.
Terpenoid secondary metabolism in Arabidopsis thaliana: cDNA cloning, characterization, and functional expression of a myrcene/(E)-beta-ocimene synthase
Arch. Biochem. Biophys.
375
261-269
2000
Arabidopsis thaliana (Q9ZUH4), Arabidopsis thaliana
brenda
Dudareva, N.; Martin, D.; Kish, C.M.; Kolosova, N.; Gorenstein, N.; Fldt, J.; Miller, B.; Bohlmann, J.
(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
Plant Cell
15
1227-1241
2003
Antirrhinum majus (Q84NC8)
brenda
Navia-Gine, W.G.; Yuan, J.S.; Mauromoustakos, A.; Murphy, J.B.; Chen, F.; Korth, K.L.
Medicago truncatula (E)-beta-ocimene synthase is induced by insect herbivory with corresponding increases in emission of volatile ocimene
Plant Physiol. Biochem.
47
416425
2009
Medicago truncatula (Q5UB07)
-
brenda
Arimura, G.; Ozawa, R.; Kugimiya, S.; Takabayashi, J;, Bohlmann, J.
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 Physiol.
135
1976-1983
2004
Lotus japonicus (Q672F7), Lotus japonicus
brenda
Huang, M.; Abel, C.; Sohrabi, R.; Petri, J.; Haupt, I.; Cosimano, J.; Gershenzon, J.; Tholl, D.
Variation of herbivore-induced volatile terpenes among Arabidopsis ecotypes depends on allelic differences and subcellular targeting of two terpene synthases, TPS02 and TPS03
Plant Physiol.
153
1293-1310
2010
Arabidopsis thaliana (A4FVP2)
brenda
Navia-Gine, W.G.; Yuan, J.S.; Mauromoustakos, A.; Murphy, J.B.; Chen, F.; Korth, K.L.
Medicago truncatula (E)-beta-ocimene synthase is induced by insect herbivory with corresponding increases in emission of volatile ocimene
Plant Physiol. Biochem.
47
416-425
2009
Medicago truncatula (Q5UB07), Medicago truncatula
brenda
Shimada, T.; Endo, T.; Fujii, H.; Hara, M.; Omura, M.
Isolation and characterization of (E)-beta-ocimene and 1,8 cineole synthases in Citrus unshiu Marc
Plant Sci.
168
987-995
2005
Citrus unshiu (Q5CD81), Citrus unshiu Marc (Q5CD81)
brenda
Faeldt, J.; Arimura, G.; Gershenzon, J.; Takabayashi, J.; Bohlmann, J.
Functional identification of AtTPS03 as (E)-beta-ocimene synthase: a monoterpene synthase catalyzing jasmonate- and wound-induced volatile formation in Arabidopsis thaliana
Planta
216
745-751
2003
Arabidopsis thaliana (A4FVP2), Arabidopsis thaliana
brenda
Chang, Y.; Chu, F.
Molecular cloning and characterization of monoterpene synthases from Litsea cubeba (Lour.) Persoon
Tree Genet. Genomes
7
835-844
2011
Litsea cubeba (G0Y7D1)
-
brenda
Muroi, A.; Ramadan, A.; Nishihara, M.; Yamamoto, M.; Ozawa, R.; Takabayashi, J.; Arimura, G.
The composite effect of transgenic plant volatiles for acquired immunity to herbivory caused by inter-plant communications
PLoS ONE
6
e24594
2011
Phaseolus lunatus (B1P189)
brenda
Peng, F.; Byers, K.; Bradshaw, H.J.
Less is more Independent loss-of-function ocimene synthase alleles parallel pollination syndrome diversification in monkeyflowers (Mimulus)
Am. J. Bot.
104
1055-1059
2017
Erythranthe lewisii (W6A3F2), Erythranthe lewisii
brenda
Bera, P.; Mukherjee, C.; Mitra, A.
Enzymatic production and emission of floral scent volatiles in Jasminum sambac
Plant Sci.
256
25-38
2017
Jasminum sambac (A0A1B0WVE7), Jasminum sambac
brenda
Booth, J.; Page, J.; Bohlmann, J.
Terpene synthases from Cannabis sativa
PLoS ONE
12
e0173911
2017
Cannabis sativa (A0A1V0QSH1)
brenda