Carotenoids obi
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                            (Alphaproteobacteria: phototrophic purple non-sulfur bacteria)
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☀ Pathway reconstructed carotenoids:       [  Search similar carotenogenesis pathway constructing organisms  ]  
  1. CA00046 (1,2-Dihydrolycopene)
  2. CA00049 (1,2,1',2'-Tetrahydrolycopene)
  3. CA00063 (1,2-Dihydrophytoene)
  4. CA00067 (1,2-Dihydrophytofluene)
  5. CA00056 (1,2-Dihydro-ζ-carotene)
  6. CA00055 (1,2,1',2'-Tetrahydroneurosporene)
  7. CA00054 (1,2,7,8,11,12-Hexahydrolycopene)
  8. CA00057 (Phytofluene)
  9. CA00048 (1,2-Dihydroneurosporene)
  10. CA00045 (1,2-Dihydro-3,4-dehydrolycopene)
  11. CA00159 (3,4-Didehydro-1,2-dihydrolycopen-20-al)
  12. CA00996 (Lycopenal)
☀ Pathway unconstructed carotenoids: None
☀ Lycopene biosynthesis type: Bacterial type (Ref.690)

  ☀ CA00043 (Lycopene) biosynthesis pathway

   Path: CA00189 (Prephytoene pyrophosphate (diphosphate)) -> CA00060 (Phytoene) -> CA00058 ((all-E)-Phytofluene) -> CA00051 (ζ-Carotene) -> CA00047 (Neurosporene) -> CA00043 (Lycopene)

   See: CB000005 (Bacterial and fungal pathway: CA00189 -> CA00060 -> CA00058 -> CA00051 -> CA00047 -> 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) --> Crtlb(1.3.99.28), CrtI(1.3.99.28, 1.3.99.30, 1.3.99.31), Crtlb(1.3.99.28), PDS(1.3.99.29), Crtla(1.3.99.29) (CR00389: CA00060 -> CA00058) --> CrtI(1.3.99.28, 1.3.99.30, 1.3.99.31), Crtlb(1.3.99.28), PDS(1.3.5.5, 1.3.99.29), Crtla(1.3.99.29) (CR00115: CA00058 -> CA00051) --> PDS(1.3.5.5, 1.3.99.29), CitPDS1(1.3.5.5), BoPDS(1.3.5.5), CrtI(1.3.5.6, 1.3.99.28, 1.3.99.30, 1.3.99.31), Crtlb(1.3.99.28), CrtQa(1.3.5.6), CrtQb(1.3.5.6), ZDS(1.3.5.6) (CR00136: CA00051 -> CA00047) --> CrtI(1.3.5.6, 1.3.99.30, 1.3.99.31), CrtQa(1.3.5.6), CrtQb(1.3.5.6), ZDS(1.3.5.6), Crtlb(1.3.99.26) (CR00132: CA00047 -> CA00043)




  ☀ CA00046 (1,2-Dihydrolycopene) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00046 (1,2-Dihydrolycopene)

   See: Proposed reaction (CA00043 -> CA00046)

   Necessary enzymes for those reactions in theory: unknown (CA00043 -> CA00046)




  ☀ CA00049 (1,2,1',2'-Tetrahydrolycopene) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00046 (1,2-Dihydrolycopene) -> CA00049 (1,2,1',2'-Tetrahydrolycopene)

   See: Proposed reaction (CA00043 -> CA00046), Proposed reaction (CA00046 -> CA00049)

   Necessary enzymes for those reactions in theory: unknown (CA00043 -> CA00046) --> unknown (CA00046 -> CA00049)




  ☀ CA00063 (1,2-Dihydrophytoene) biosynthesis pathway

   Path: CA00061 ((all-E)-Phytoene) -> CA00063 (1,2-Dihydrophytoene)

   See: Proposed reaction (CA00061 -> CA00063)

   Necessary enzymes for those reactions in theory: unknown (CA00061 -> CA00063)




  ☀ CA00067 (1,2-Dihydrophytofluene) biosynthesis pathway

   Path: CA00058 ((all-E)-Phytofluene) -> CA00067 (1,2-Dihydrophytofluene)

   See: Proposed reaction (CA00058 -> CA00067)

   Necessary enzymes for those reactions in theory: unknown (CA00058 -> CA00067)




  ☀ CA00056 (1,2-Dihydro-ζ-carotene) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00046 (1,2-Dihydrolycopene) -> CA00056 (1,2-Dihydro-ζ-carotene)

   See: Proposed reaction (CA00043 -> CA00046), Proposed reaction (CA00046 -> CA00056)

   Necessary enzymes for those reactions in theory: unknown (CA00043 -> CA00046) --> unknown (CA00046 -> CA00056)




  ☀ CA00055 (1,2,1',2'-Tetrahydroneurosporene) biosynthesis pathway

   Path: CA00047 (Neurosporene) -> CA00048 (1,2-Dihydroneurosporene) -> CA00055 (1,2,1',2'-Tetrahydroneurosporene)

   See: Proposed reaction (CA00047 -> CA00048), Proposed reaction (CA00048 -> CA00055)

   Necessary enzymes for those reactions in theory: unknown (CA00047 -> CA00048) --> unknown (CA00048 -> CA00055)




  ☀ CA00054 (1,2,7,8,11,12-Hexahydrolycopene) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00046 (1,2-Dihydrolycopene) -> CA00048 (1,2-Dihydroneurosporene) -> CA00054 (1,2,7,8,11,12-Hexahydrolycopene)

   See: Proposed reaction (CA00043 -> CA00046), Proposed reaction (CA00046 -> CA00048), Proposed reaction (CA00048 -> CA00054)

   Necessary enzymes for those reactions in theory: unknown (CA00043 -> CA00046) --> unknown (CA00046 -> CA00048) --> unknown (CA00048 -> CA00054)




  ☀ CA00054 (1,2,7,8,11,12-Hexahydrolycopene) biosynthesis pathway

   Path: CA00047 (Neurosporene) -> CA00048 (1,2-Dihydroneurosporene) -> CA00054 (1,2,7,8,11,12-Hexahydrolycopene)

   See: Proposed reaction (CA00047 -> CA00048), Proposed reaction (CA00048 -> CA00054)

   Necessary enzymes for those reactions in theory: unknown (CA00047 -> CA00048) --> unknown (CA00048 -> CA00054)




  ☀ CA00057 (Phytofluene) biosynthesis pathway

   Path: CA00060 (Phytoene) -> CA00057 (Phytofluene)

   See: CR00398 (CA00060 -> CA00057)

   Necessary enzymes for those reactions in theory: unknown (CR00398: CA00060 -> CA00057)




  ☀ CA00048 (1,2-Dihydroneurosporene) biosynthesis pathway

   Path: CA00047 (Neurosporene) -> CA00048 (1,2-Dihydroneurosporene)

   See: Proposed reaction (CA00047 -> CA00048)

   Necessary enzymes for those reactions in theory: unknown (CA00047 -> CA00048)




  ☀ CA00045 (1,2-Dihydro-3,4-dehydrolycopene) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00042 (3,4-Dehydrolycopene) -> CA00045 (1,2-Dihydro-3,4-dehydrolycopene)

   See: CB000077 (Knwon path in mold: CA00043 -> CA00042), Proposed reaction (CA00042 -> CA00045)

   Necessary enzymes for those reactions in theory: CrtI (CR00119: CA00043 -> CA00042) --> unknown (CA00042 -> CA00045)




  ☀ CA00159 (3,4-Didehydro-1,2-dihydrolycopen-20-al) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00042 (3,4-Dehydrolycopene) -> CA00045 (1,2-Dihydro-3,4-dehydrolycopene) -> CA00159 (3,4-Didehydro-1,2-dihydrolycopen-20-al)

   See: CB000077 (Knwon path in mold: CA00043 -> CA00042), Proposed reaction (CA00042 -> CA00045), Proposed reaction (CA00045 -> CA00159)

   Necessary enzymes for those reactions in theory: CrtI (CR00119: CA00043 -> CA00042) --> unknown (CA00042 -> CA00045) --> unknown (CA00045 -> CA00159)




  ☀ CA00996 (Lycopenal) biosynthesis pathway

   Path: CA00060 (Phytoene) -> CA00058 ((all-E)-Phytofluene) -> CA00051 (ζ-Carotene) -> CA00047 (Neurosporene) -> CA00043 (Lycopene) -> CA00072 ((13Z)-Lycopen-20-ol) -> CA00996 (Lycopenal)

   See: CB000043 (Knwon path in general: CA00060 -> CA00058 -> CA00051 -> CA00047 -> CA00043 -> CA00072 -> CA00996)

   Necessary enzymes for those reactions in theory: Crtlb(1.3.99.28), CrtI(1.3.99.28, 1.3.99.30, 1.3.99.31), Crtlb(1.3.99.28), PDS(1.3.99.29), Crtla(1.3.99.29) (CR00389: CA00060 -> CA00058) --> CrtI(1.3.99.28, 1.3.99.30, 1.3.99.31), Crtlb(1.3.99.28), PDS(1.3.5.5, 1.3.99.29), Crtla(1.3.99.29) (CR00115: CA00058 -> CA00051) --> PDS(1.3.5.5, 1.3.99.29), CitPDS1(1.3.5.5), BoPDS(1.3.5.5), CrtI(1.3.5.6, 1.3.99.28, 1.3.99.30, 1.3.99.31), Crtlb(1.3.99.28), CrtQa(1.3.5.6), CrtQb(1.3.5.6), ZDS(1.3.5.6) (CR00136: CA00051 -> CA00047) --> CrtI(1.3.5.6, 1.3.99.30, 1.3.99.31), CrtQa(1.3.5.6), CrtQb(1.3.5.6), ZDS(1.3.5.6), Crtlb(1.3.99.26) (CR00132: CA00047 -> CA00043) --> unknown (CA00043 -> CA00072) --> unknown (CA00072 -> CA00996)



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.