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. CA00047 (Neurosporene)
  2. CA00166 (R.g.Keto-I)
  3. CA00175 (R.g.Keto-II)
  4. CA00180 (R.g.Keto-III)
  5. CA00172 (R.g.Keto-IV)
  6. CA00168 (R.g.Keto-V)
  7. CA00167 (R.g.Keto-VI)
  8. CA00173 (R.g.Keto-VII)
☀ 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)




  ☀ CA00175 (R.g.Keto-II) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00073 (Rhodopin) -> CA00124 (Anhydrorhodovibrin) -> CA00175 (R.g.Keto-II)

   See: CB000014 (Knwon path in bacterium: CA00043 -> CA00073), CB000021 (Knwon path in Rubrivivax (purple non-sulfur bacterium): CA00073 -> CA00124), (CA00124 -> CA00175)

   Necessary enzymes for those reactions in theory: CrtC (CR00229: CA00043 -> CA00073) --> unknown (CR00332: CA00073 -> CA00124) --> unknown (CA00124 -> CA00175)




  ☀ CA00180 (R.g.Keto-III) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00166 (R.g.Keto-I) -> CA00180 (R.g.Keto-III)

   See: CB000046 (Knwon path in purple bacterium: CA00043 -> CA00166 -> CA00180)

   Necessary enzymes for those reactions in theory: unknown (CR00339: CA00043 -> CA00166) --> unknown (CR00338: CA00166 -> CA00180)




  ☀ CA00172 (R.g.Keto-IV) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00166 (R.g.Keto-I) -> CA00172 (R.g.Keto-IV)

   See: CB000046 (Knwon path in purple bacterium: CA00043 -> CA00166), similar to CB000018: CA00073 -> CA00088 (proposed reaction: CA00166 -> CA00172)

   Necessary enzymes for those reactions in theory: unknown (CR00339: CA00043 -> CA00166) --> unknown (CA00166 -> CA00172)




  ☀ CA00168 (R.g.Keto-V) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00166 (R.g.Keto-I) -> CA00167 (R.g.Keto-VI) -> CA00168 (R.g.Keto-V)

   See: CB000046 (Knwon path in purple bacterium: CA00043 -> CA00166), Proposed reaction (CA00166 -> CA00167), Proposed reaction (CA00167 -> CA00168)

   Necessary enzymes for those reactions in theory: unknown (CR00339: CA00043 -> CA00166) --> unknown (CA00166 -> CA00167) --> unknown (CA00167 -> CA00168)




  ☀ CA00167 (R.g.Keto-VI) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00166 (R.g.Keto-I) -> CA00167 (R.g.Keto-VI)

   See: CB000046 (Knwon path in purple bacterium: CA00043 -> CA00166), Proposed reaction (CA00166 -> CA00167)

   Necessary enzymes for those reactions in theory: unknown (CR00339: CA00043 -> CA00166) --> unknown (CA00166 -> CA00167)




  ☀ CA00173 (R.g.Keto-VII) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00166 (R.g.Keto-I) -> CA00167 (R.g.Keto-VI) -> CA00173 (R.g.Keto-VII)

   See: CB000046 (Knwon path in purple bacterium: CA00043 -> CA00166), Proposed reaction (CA00166 -> CA00167), Proposed reaction (CA00167 -> CA00173)

   Necessary enzymes for those reactions in theory: unknown (CR00339: CA00043 -> CA00166) --> unknown (CA00166 -> CA00167) --> unknown (CA00167 -> CA00173)




  ☀ CA00175 (R.g.Keto-II) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00073 (Rhodopin) -> CA00070 (3,4-Dehydrorhodopin) -> CA00124 (Anhydrorhodovibrin) -> CA00091 (Rhodovibrin) -> CA00090 (Monodemethyl spirilloxanthin) -> CA00096 (Spirilloxanthin) -> CA00098 (3,4-Dihydrospirilloxanthin) -> CA00175 (R.g.Keto-II)

   See: CB000014 (Knwon path in bacterium: CA00043 -> CA00073), CB000016 (Knwon path in bacterium: CA00073 -> CA00070), CB000016 (Knwon path in bacterium: CA00070 -> CA00124), CB000016 (Knwon path in bacterium: CA00124 -> CA00091), CB000017 (Knwon path in bacterium: CA00091 -> CA00090), CB000017 (Knwon path in bacterium: CA00090 -> CA00096), Proposed reaction (CA00096 -> CA00098), Proposed reaction (CA00098 -> CA00175)

   Necessary enzymes for those reactions in theory: CrtC (CR00229: CA00043 -> CA00073) --> CrtD (CR00120: CA00073 -> CA00070) --> CrtF (CR00326: CA00070 -> CA00124) --> CrtC (CR00352: CA00124 -> CA00091) --> CrtD (CR00121: CA00091 -> CA00090) --> CrtF (CR00327: CA00090 -> CA00096) --> unknown (CA00096 -> CA00098) --> unknown (CA00098 -> CA00175)



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.