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CarotenoidsDB:
Nicotiana tabacum
carotenoids (Eukaryote) reconstructed pathways in theory
(Land plant: common tobacco)
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Click here to see the carotenoid profile of Nicotiana tabacum
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Pathway reconstructed carotenoids:
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CA01165 (Oxoedulan)
CA01171 (Megastigma-5,8-dien-4-one)
CA01172 (4-oxo-β-ionone)
CA01170 (Megastigma-4,6,8-trien-3-one)
CA01169 (Megastigma-4,7E,9-trien-3-one)
CA01164 (Vitispirane)
CA00802 (γ-Damascenone)
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Pathway unconstructed carotenoids:
CA01165
(Oxoedulan),
CA01171
(Megastigma-5,8-dien-4-one),
CA01170
(Megastigma-4,6,8-trien-3-one),
CA01169
(Megastigma-4,7E,9-trien-3-one),
CA01164
(Vitispirane),
CA00802
(γ-Damascenone)
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Lycopene biosynthesis type:
Plant type (Ref.690)
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CA00043 (Lycopene)
biosynthesis pathway
Path:
CA00189
(Prephytoene pyrophosphate (diphosphate))
->
CA00060
(Phytoene)
->
CA00059
((9Z,15Z)-Phytofluene)
->
CA00053
((9Z,15Z,9'Z)-ζ-Carotene)
->
CA00065
((9Z,9'Z)-ζ-Carotene)
->
CA00066
((7Z,9Z,9'Z)-Neurosporene)
->
CA00044
(Prolycopene)
->
CA00043
(Lycopene)
See:
CB000004
(Cyanobacterial and higher plant pathay: CA00189 -> CA00060 -> CA00059 -> CA00053 -> CA00065 -> CA00066 -> CA00044 -> CA00043)
Necessary enzymes for those reactions in theory:
CrtB(2.5.1.32), CitPsy(2.5.1.32), AtPSY(2.5.1.32) (
CR00277
: CA00189 -> CA00060) --> PDS(1.3.5.5) (
CR00015
: CA00060 -> CA00059) --> PDS(1.3.5.5) (
CR00016
: CA00059 -> CA00053) --> Z-ISO(5.2.1.12) (
CR00390
: CA00053 -> CA00065) --> CrtI(1.3.5.6), CrtQa(1.3.5.6), CrtQb(1.3.5.6), ZDS(1.3.5.6) (
CR00011
: CA00065 -> CA00066) --> CrtI(1.3.5.6), CrtQa(1.3.5.6), CrtQb(1.3.5.6), ZDS(1.3.5.6) (
CR00012
: CA00066 -> CA00044) --> CRTISO(5.2.1.13) (
CR00391
: CA00044 -> CA00043)
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CA01172 (4-oxo-β-ionone)
biosynthesis pathway
Path:
CA00043
(Lycopene)
->
CA00191
(γ-Carotene)
->
CA00309
(β-Carotene)
->
CA00311
((9Z)-β-Carotene)
->
CA00803
(β-Ionone)
->
CA01172
(4-oxo-β-ionone)
See:
CB000007
(Knwon path in general: CA00043 -> CA00191),
CB000009
(Knwon path in general: CA00191 -> CA00309),
CB000079
(Knwon path in Arabidopsis sp.: CA00309 -> CA00311),
CB000086
(Knwon path in general: CA00311 -> CA00803), Proposed reaction (CA00803 -> CA01172)
Necessary enzymes for those reactions in theory:
CrtY(5.5.1.19), CrtL-b(5.5.1.19), CruA/P(5.5.1.19), AL2(5.5.1.19) (
CR00374
: CA00043 -> CA00191) --> CrtL(5.5.1.19), CrtY(5.5.1.19), CrtL-b(5.5.1.19), CruA/P, AL2, PSY(2.5.1.32) (
CR00365
: CA00191 -> CA00309) --> DWARF27 (
CR00357
: CA00309 -> CA00311) --> CCD7, MAX3, D17/HTD1, RMS5, DAD1, NCED7 (
CR00082
: CA00311 -> CA00803) --> unknown (CA00803 -> CA01172)
Ref.690 : Enfissi EM, Nogueira M, Bramley PM, Fraser PD, Plant J. 2017 Feb;89(4):774-788. doi: 10.1111/tpj.13428. Epub 2017 Feb 7., "The regulation of carotenoid formation in tomato fruit.", PMID: 27865019 DOI: 10.1111/tpj.13428
Since June 15th, 2015 by Junko Yabuzaki.
