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                            (purple sulfur bacteria)
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☀ Pathway reconstructed carotenoids:       [  Search similar carotenogenesis pathway constructing organisms  ]  

1. CA00096 (Spirilloxanthin)
   
2. CA00717 (Okenone)

☀ Pathway unconstructed carotenoids: None
☀ Lycopene biosynthesis type: Bacterial type (Ref.637, Ref.690)

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  ☀ 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)




  ☀ CA00096 (Spirilloxanthin) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00073 (Rhodopin) -> CA00070 (3,4-Dehydrorhodopin) -> CA00124 (Anhydrorhodovibrin) -> CA00091 (Rhodovibrin) -> CA00090 (Monodemethyl spirilloxanthin) -> CA00096 (Spirilloxanthin)

   See: CB000047 (Knwon path in purple bacterium: CA00043 -> CA00073 -> CA00070 -> CA00124 -> CA00091 -> CA00090 -> CA00096)

   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)




  ☀ CA00717 (Okenone) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00166 (R.g.Keto-I) -> CA00265 (Thiothece-474) -> CA00717 (Okenone)

   See: CB000054 (Knwon path in purple sulfur bacteria: CA00043 -> CA00166 -> CA00265 -> CA00717)

   Necessary enzymes for those reactions in theory: unknown (CR00339: CA00043 -> CA00166) --> unknown (CR00369: CA00166 -> CA00265) --> unknown (CR00152: CA00265 -> CA00717)

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Ref.637 : Akos T. Kovacs, Ga´bor Rakhely, and Kornel L. Kovacs, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, June 2003, p. 3093–3102, "Genes Involved in the Biosynthesis of Photosynthetic Pigments in the Purple Sulfur Photosynthetic Bacterium Thiocapsa roseopersicina", DOI: 10.1128/AEM.69.6.3093–3102.2003
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

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Since June 15th, 2015 by Junko Yabuzaki.