Carotenoids obi
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☀ Pathway reconstructed carotenoids:       Search similar carotenogenesis pathway constructing organisms  ]  
  1. CA01066 (Tectoionols A)
  2. CA01109 (Dihydro-β-ionol)
  3. CA01110 (Tetrahydroionone)
  4. CA01108 (Dihydro-β-ionone)
  5. CA01107 (β-Ionone-5,6-epoxide)
  6. CA01111 (2,4,4-trimethyl-3-(3-oxobutyl)-2-cyclohexen-1-one)
  7. CA01106 (4-oxo-β-Ionone)
☀ Pathway unconstructed carotenoids: CA01066 (Tectoionols A)
☀ Lycopene biosynthesis type: Plant type (Ref.690)


  ☀ 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)




  ☀ CA01109 (Dihydro-β-ionol) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00191 (γ-Carotene) -> CA00309 (β-Carotene) -> CA01108 (Dihydro-β-ionone) -> CA01109 (Dihydro-β-ionol)

   See: CB000007 (Knwon path in general: CA00043 -> CA00191), CB000009 (Knwon path in general: CA00191 -> CA00309), CB000125 (Knwon path in tea: CA00309 -> CA01108), Proposed reaction (CA01108 -> CA01109)

   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) --> unknown (CA00309 -> CA01108) --> unknown (CA01108 -> CA01109)




  ☀ CA01110 (Tetrahydroionone) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00191 (γ-Carotene) -> CA00309 (β-Carotene) -> CA01108 (Dihydro-β-ionone) -> CA01110 (Tetrahydroionone)

   See: CB000007 (Knwon path in general: CA00043 -> CA00191), CB000009 (Knwon path in general: CA00191 -> CA00309), CB000125 (Knwon path in tea: CA00309 -> CA01108), Proposed reaction (CA01108 -> CA01110)

   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) --> unknown (CA00309 -> CA01108) --> unknown (CA01108 -> CA01110)




  ☀ CA01108 (Dihydro-β-ionone) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00191 (γ-Carotene) -> CA00309 (β-Carotene) -> CA01108 (Dihydro-β-ionone)

   See: CB000007 (Knwon path in general: CA00043 -> CA00191), CB000009 (Knwon path in general: CA00191 -> CA00309), CB000125 (Knwon path in tea: CA00309 -> CA01108)

   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) --> unknown (CA00309 -> CA01108)




  ☀ CA01107 (β-Ionone-5,6-epoxide) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00191 (γ-Carotene) -> CA00309 (β-Carotene) -> CA01108 (Dihydro-β-ionone) -> CA01107 (β-Ionone-5,6-epoxide)

   See: CB000007 (Knwon path in general: CA00043 -> CA00191), CB000009 (Knwon path in general: CA00191 -> CA00309), CB000125 (Knwon path in tea: CA00309 -> CA01108), CB000125 (Knwon path in tea: CA01108 -> CA01107)

   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) --> unknown (CA00309 -> CA01108) --> unknown (CA01108 -> CA01107)




  ☀ CA01111 (2,4,4-trimethyl-3-(3-oxobutyl)-2-cyclohexen-1-one) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00191 (γ-Carotene) -> CA00309 (β-Carotene) -> CA01108 (Dihydro-β-ionone) -> CA01111 (2,4,4-trimethyl-3-(3-oxobutyl)-2-cyclohexen-1-one)

   See: CB000007 (Knwon path in general: CA00043 -> CA00191), CB000009 (Knwon path in general: CA00191 -> CA00309), CB000125 (Knwon path in tea: CA00309 -> CA01108), Proposed reaction (CA01108 -> CA01111)

   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) --> unknown (CA00309 -> CA01108) --> unknown (CA01108 -> CA01111)




  ☀ CA01106 (4-oxo-β-Ionone) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00191 (γ-Carotene) -> CA00309 (β-Carotene) -> CA00462 (Echinenone) -> CA00471 (Canthaxanthin) -> CA01106 (4-oxo-β-Ionone)

   See: CB000007 (Knwon path in general: CA00043 -> CA00191), CB000009 (Knwon path in general: CA00191 -> CA00309), CB000055 (Knwon path in Gordonia (bacterium): CA00309 -> CA00462), CB000055 (Knwon path in Gordonia (bacterium): CA00462 -> CA00471), CR00086 (CA00471 -> CA01106)

   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) --> CrtO, CrtW (CR00234: CA00309 -> CA00462) --> CrtO, CrtW (CR00241: CA00462 -> CA00471) --> RdCCD1 (CR00086: CA00471 -> CA01106)




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.