2007
DOI: 10.1007/s10529-007-9315-8
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Production of a recombinant carotenoid cleavage dioxygenase from grape and enzyme assay in water-miscible organic solvents

Abstract: A recombinant carotenoid cleavage dioxygenase from Vitis vinifera L. was produced by Escherichia coli as a fusion with the glutathione-S-transferase (GST) protein under different bacterial growth conditions. The enzyme production was monitored by a GST assay. Addition of Triton X-100 prior to bacterial cell disruption doubled the release of soluble protein. A simple spectrophotometric enzyme assay was developed to measure carotenoid cleavage activity using lutein as substrate. Enzyme activity showed a 26-fold … Show more

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Cited by 24 publications
(17 citation statements)
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“…6A, lane 4) as has been observed for other plant CCD1 enzymes (34,44). As shown previously, addition of Triton X-100 to lysed cells prior to centrifugation increased soluble protein recovery (22,44).…”
Section: Ccd1 Enzymes From Arabidopsis and Tomato Generatesupporting
confidence: 81%
“…6A, lane 4) as has been observed for other plant CCD1 enzymes (34,44). As shown previously, addition of Triton X-100 to lysed cells prior to centrifugation increased soluble protein recovery (22,44).…”
Section: Ccd1 Enzymes From Arabidopsis and Tomato Generatesupporting
confidence: 81%
“…None of the transcripts encoding isoprenoid or anthocyanin biosynthetic enzymes were detected as decreasing during any stage of ripening initiation tested. Transcripts encoding VvCCD1, a carotenoid cleavage dioxygenase previously shown to be a key downstream step in norisoprenoid biosynthesis in grapevine (Mathieu et al 2007; AY856353), were relatively abundant throughout ripening initiation and exhibited no significant change (data not shown).…”
Section: Phenotypic Characterization Of Ripening Initiationmentioning
confidence: 95%
“…Tissue homogenates were centrifuged at 20,800 g for 20 min at 4 C. Protein content of the total soluble protein (TSP) was estimated by Bradford assay. 84 CCD enzyme activity was measured spectrophotometrically with lutein (Sigma Aldrich, USA) as substrate, according to Mathieu et al, 85 with minor modifications. Lutein was dissolved in 80% acetone (0.5 g.L ¡1 ) to obtain a final concentration of 35 mM.…”
Section: Estimation Of Carotenoid Cleavage Dioxygenase (Ccd) Activitymentioning
confidence: 99%