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CarotenoidsDB:
Rhodobacter capsulatus
carotenoids () reconstructed pathways in theory
(Alphaproteobacteria: photosynthetic purple nonsulfur bacterium)
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Click here to see the carotenoid profile of Rhodobacter capsulatus
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Pathway reconstructed carotenoids:
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CA00043 (Lycopene)
CA00060 (Phytoene)
CA00058 ((all-E)-Phytofluene)
CA00070 (3,4-Dehydrorhodopin)
CA00073 (Rhodopin)
CA00157 (Rhodobacterioxanthin)
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Pathway unconstructed carotenoids:
None
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Lycopene biosynthesis type:
Bacterial type (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)
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CA00058 ((all-E)-Phytofluene)
biosynthesis pathway
Path:
CA00060
(Phytoene)
->
CA00058
((all-E)-Phytofluene)
See:
CB000145
(CA00060 -> CA00058)
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)
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CA00157 (Rhodobacterioxanthin)
biosynthesis pathway
Path:
CA00043
(Lycopene)
->
CA00073
(Rhodopin)
->
CA00070
(3,4-Dehydrorhodopin)
->
CA00084
(1,1'-Dihydroxy-3,4-didehydrolycopene)
->
CA00078
(Didemethylspirilloxanthin)
->
CA00096
(Spirilloxanthin)
->
CA00157
(Rhodobacterioxanthin)
See:
CB000014
(Knwon path in bacterium: CA00043 -> CA00073),
CB000016
(Knwon path in bacterium: CA00073 -> CA00070), similar to
CB000018: CA00073 -> CA00088
(proposed reaction: CA00070 -> CA00084),
CB000020
(Knwon path in Rubrivivax (purple non-sulfur bacterium): CA00084 -> CA00078),
CB000019
(Knwon path in Rubrivivax (purple non-sulfur bacterium): CA00078 -> CA00096), similar to
CB000044: CA00073 -> CA00155
(proposed reaction: CA00096 -> CA00157)
Necessary enzymes for those reactions in theory:
CrtC (
CR00229
: CA00043 -> CA00073) --> CrtD (
CR00120
: CA00073 -> CA00070) --> unknown (CA00070 -> CA00084) --> unknown (
CR00130
: CA00084 -> CA00078) --> unknown (
CR00335
: CA00078 -> CA00096) --> unknown (CA00096 -> CA00157)
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.
