Carotenoids obi
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                            (Cyanobacteria: rod-shape unicellular cyanobacterium, diverged very early during the evolution of cyanobacteria)
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☀ Pathway reconstructed carotenoids:       [  Search similar carotenogenesis pathway constructing organisms  ]  
  1. CA00964 (Oscillol 2,2'-difucoside)
  2. CA00309 (β-Carotene)
  3. CA00462 (Echinenone)
☀ Pathway unconstructed carotenoids: None
☀ Lycopene biosynthesis type: Bacterial type (Ref.526, 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)




  ☀ CA00964 (Oscillol 2,2'-difucoside) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA01092 ((2S,2'S)-Oscillol) -> CA00964 (Oscillol 2,2'-difucoside)

   See: CB000013 (Knwon path in bacterium: CA00043 -> CA01092 -> CA00964)

   Necessary enzymes for those reactions in theory: unknown (CR00356: CA00043 -> CA01092) --> unknown (CR00306: CA01092 -> CA00964)




  ☀ CA00462 (Echinenone) biosynthesis pathway

   Path: CA00043 (Lycopene) -> CA00191 (γ-Carotene) -> CA00309 (β-Carotene) -> CA00462 (Echinenone)

   See: CB000062 (Knwon path in general: CA00043 -> CA00191 -> CA00309 -> CA00462)

   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)



Ref.526 : Takaichi S., Mar. Drugs 2011, 9, 1101-1118; "Carotenoids in Algae: Distributions, Biosyntheses and Functions", doi:10.3390/md9061101
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.