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Literature summary extracted from
- ZmCCD7/ZpCCD7 encodes a carotenoid cleavage dioxygenase mediating shoot branching (2016), Planta, 243, 1407-1418 .
Cloned(Commentary)
| EC Number | Cloned (Comment) | Organism |
|---|---|---|
| 1.13.11.68 | gene ccd7, DNA and amino acid sequence determination and anaysis, sequence comparison and phylogenetic tree, transient expression of GFP-tagged ZmCCD7 in maize mesophyll protoplasts indicating localization in the plastid, recombinant expression in Escherichia coli strain BL21-AI | Zea mays |
| 1.13.11.68 | gene ccd7, DNA and amino acid sequence determination and anaysis, sequence comparison and phylogenetic tree, transient expression of GFP-tagged ZpCCD7 in maize mesophyll protoplasts indicating localization in the plastid, recombinant expression in Escherichia coli strain BL21-AI | Zea mays subsp. parviglumis |
Localization
| EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|---|
| 1.13.11.68 | chloroplast | - |
Zea mays | 9507 | - |
| 1.13.11.68 | chloroplast | - |
Zea mays subsp. parviglumis | 9507 | - |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.13.11.68 | additional information | Zea mays | recombinant ZmCCD7 is able to efficiently catalyze metabolism of linear and cyclic carotenoids in Escherichia coli, and generates bionone by cleaving beta-carotene at the 9,10 (9',10') position. The recombinant enzyme in Escherichia coli catalyzes convertion of individual carotenoids including phytoene, lycopene, delta-carotene, ecarotene, beta-carotene, and zeaxanthin | ? | - |
? |  |
| 1.13.11.68 | additional information | Zea mays subsp. parviglumis | recombinant ZpCCD7 is able to efficiently catalyze metabolism of linear and cyclic carotenoids in Escherichia coli, and generates bionone by cleaving beta-carotene at the 9,10 (9',10') position. The recombinant enzyme in Escherichia coli catalyzes convertion of individual carotenoids including phytoene, lycopene, delta-carotene, ecarotene, beta-carotene, and zeaxanthin | ? | - |
? | |
| 1.13.11.68 | additional information | Zea mays B73 | recombinant ZmCCD7 is able to efficiently catalyze metabolism of linear and cyclic carotenoids in Escherichia coli, and generates bionone by cleaving beta-carotene at the 9,10 (9',10') position. The recombinant enzyme in Escherichia coli catalyzes convertion of individual carotenoids including phytoene, lycopene, delta-carotene, ecarotene, beta-carotene, and zeaxanthin | ? | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 1.13.11.68 | Zea mays | C4PJN3 | - |
- |
| 1.13.11.68 | Zea mays B73 | C4PJN3 | - |
- |
| 1.13.11.68 | Zea mays subsp. parviglumis | - |
- |
- |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 1.13.11.68 | additional information | CCD7 expression is highly responsive to phosphorus deficiency, especially in the meristematic zone and the pericycle of the elongation zone of maize roots | Zea mays subsp. parviglumis | - |
| 1.13.11.68 | additional information | CCD7 expression is highly responsive to phosphorus deficiency, especially in the meristematic zone and the pericycle of the elongation zone of maize roots. The crown root has the strongest ZmCCD7 expression in the meristematic zone under phosphorus limitation | Zea mays | - |
| 1.13.11.68 | root | meristematic zone and the pericycle of the elongation zone of the roots | Zea mays | - |
| 1.13.11.68 | root | meristematic zone and the pericycle of the elongation zone of the roots | Zea mays subsp. parviglumis | - |
| 1.13.11.68 | seedling | - |
Zea mays | - |
| 1.13.11.68 | seedling | - |
Zea mays subsp. parviglumis | - |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.13.11.68 | additional information | recombinant ZmCCD7 is able to efficiently catalyze metabolism of linear and cyclic carotenoids in Escherichia coli, and generates bionone by cleaving beta-carotene at the 9,10 (9',10') position. The recombinant enzyme in Escherichia coli catalyzes convertion of individual carotenoids including phytoene, lycopene, delta-carotene, ecarotene, beta-carotene, and zeaxanthin | Zea mays | ? | - |
? | |
| 1.13.11.68 | additional information | recombinant ZpCCD7 is able to efficiently catalyze metabolism of linear and cyclic carotenoids in Escherichia coli, and generates bionone by cleaving beta-carotene at the 9,10 (9',10') position. The recombinant enzyme in Escherichia coli catalyzes convertion of individual carotenoids including phytoene, lycopene, delta-carotene, ecarotene, beta-carotene, and zeaxanthin | Zea mays subsp. parviglumis | ? | - |
? | |
| 1.13.11.68 | additional information | recombinant ZmCCD7 is able to efficiently catalyze metabolism of linear and cyclic carotenoids in Escherichia coli, and generates bionone by cleaving beta-carotene at the 9,10 (9',10') position. The recombinant enzyme in Escherichia coli catalyzes convertion of individual carotenoids including phytoene, lycopene, delta-carotene, ecarotene, beta-carotene, and zeaxanthin | Zea mays B73 | ? | - |
? | |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 1.13.11.68 | carotenoid cleavage dioxygenase 7 | - |
Zea mays |
| 1.13.11.68 | carotenoid cleavage dioxygenase 7 | - |
Zea mays subsp. parviglumis |
| 1.13.11.68 | CCD7 | - |
Zea mays |
| 1.13.11.68 | CCD7 | - |
Zea mays subsp. parviglumis |
| 1.13.11.68 | ZmCCD7 | - |
Zea mays |
| 1.13.11.68 | ZpCCD7 | - |
Zea mays subsp. parviglumis |
General Information
| EC Number | General Information | Comment | Organism |
|---|---|---|---|
| 1.13.11.68 | evolution | Zea mays ZmCCD7 and Zea mays subsp. parviglumis ZpCCD7 have the same coding sequence, indicating negative selection of the CCD7 gene over domestication from Zea mays subsp. parviglumis to Zea mays. ZmCCD7/ZpCCD7 encodes a carotenoid cleavage dioxygenase mediating strigolactone biosynthesis in maize and its ancestor | Zea mays |
| 1.13.11.68 | evolution | Zea mays ZmCCD7 and Zea mays subsp. parviglumis ZpCCD7 have the same coding sequence, indicating negative selection of the CCD7 gene over domestication from Zea mays subsp. parviglumis to Zea mays. ZmCCD7/ZpCCD7 encodes a carotenoid cleavage dioxygenase mediating strigolactone biosynthesis in maize and its ancestor | Zea mays subsp. parviglumis |
| 1.13.11.68 | malfunction | suppression of shoot branching in the Arabidopsis thaliana Col-0 ccd7 max3 mutant by transformation of ZmCCD7/ZpCCD7. Knockout or knockdown of these CCD7 results in numerous shoot branches by blocking or reducing strigolactone production | Zea mays |
| 1.13.11.68 | malfunction | suppression of shoot branching in the Arabidopsis thaliana Col-0 ccd7 max3 mutant by transformation of ZmCCD7/ZpCCD7. Knockout or knockdown of these CCD7 results in numerous shoot branches by blocking or reducing strigolactone production | Zea mays subsp. parviglumis |
| 1.13.11.68 | physiological function | strigolactones are apocarotenoids generated via all-trans-beta-carotene isomerization, sequential oxidative cleavage of 9-cis-beta-carotene by two carotenoid cleavage dioxygenases (CCD7 and CCD8) | Zea mays |
| 1.13.11.68 | physiological function | strigolactones are apocarotenoids generated via all-trans-beta-carotene isomerization, sequential oxidative cleavage of 9-cis-beta-carotene by two carotenoid cleavage dioxygenases (CCD7 and CCD8) | Zea mays subsp. parviglumis |
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Release 2023.1 (January 2023)
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