Lycopene beta-cyclase

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August undefined, 2024

WebJan 23, 2024 · Lycopene-β-cyclase (LCYB) catalyses the last step of β-carotene synthesis, and therefore plays a key role in this pathway. Overexpression of LCYB leads to increased tolerance to abiotic stresses (e.g. drought and salt) in tomato ( D’Ambrosio et al., 2004 ), Arabidopsis ( Chen et al., 2011 ), and sweet potato ( Kang et al., 2024 ). WebSep 13, 2016 · Lycopene β-cyclases are key enzymes located at the branch point of the carotenoid biosynthesis pathway. However, the transcriptional regulatory mechanisms of LCYb1 in citrus with abundant carotenoid accumulation are still unclear.

The lycopene β-cyclase plays a significant role in provitamin A

WebLYC / Anti-Lycopene beta cyclase, chloroplastic Antibody. Be the first to review this product . In stock. SKU. AT3G10230 Immunogen: AT3G10230 Q38933 : Synonyms: … WebMay 22, 2024 · Data show that the expression of tobacco lycopene beta-cyclase (LCYB) was increased some 10-fold in ripening tomato fruit compared to vegetative tissues. Title: Genetic modification of tomato with the tobacco lycopene β-cyclase gene produces high β-carotene and lycopene fruit. Results show that regutating biosynthetic enzyme in … chairs with dog print fabric

The lycopene β-cyclase plays a significant role in …

WebMar 29, 2013 · Lycopene β-cyclase (LCYB) is a key enzyme involved directly in the synthesis of α-carotene and β-carotene through the cyclization of lycopene. Carotenoids … WebJun 16, 2024 · The key candidate genes influencing β-carotene concentration are lycopene ε-cyclase ( lcyE) located on chromosome 8 and β-carotene hydroxylase1 ( crtRB1) … WebSep 19, 2015 · Lycopene ε-cyclase (ε-LCY) functions at a branch point of the carotenoid biosynthesis pathway and modulates the ratio of lutein to the β-carotenoids. RNA interference (RNAi) and overexpression (OE) of Ntε - LCY were used to evaluate the physiological roles of ε - LCY in Nicotiana tobacum. chairs with cushion material

Lycopene β-cyclase expression influences plant physiology, …

LCY1 lycopene beta-cyclase [ Solanum lycopersicum (tomato) ]

WebDec 22, 2024 · Isomerization of prolycopene to red-colored lycopene is carried out by carotene isomerase ( CRTISO ). Lycopene is further metabolized to produce β-carotene, zeaxanthin, violaxanthin, and neoxanthin, which is catalyzed by two classes of lycopene beta cyclases ( LCY-bs, CYC-b ). WebSep 18, 2009 · The conversion of lycopene to β-carotene is catalysed by the β cyclase enzyme ( Cunningham et al., 1994; Hugueney et al., 1995; Pecker et al., 1996 ). The ϵ and β cyclase enzymes are products of related genes, but the ϵ cyclase only adds one ϵ ring to lycopene, whereas the β cyclase can add two β rings. chairs with contrasting seat cushion fabricWebDec 1, 2001 · A full-length cDNA for lycopene beta-cyclase (LYC-b) was isolated from carrot (Daucus carota L.) roots by 5' and 3' RACE. The cDNA is 2 089 bp long with an open reading frame of 1515 bp, which ... happy birthday in farsi script

"WebOct 18, 2024 · Then, all-trans lycopene is further cycled to α-carotene and β-carotene through the action of cyclases, lycopene β-cyclase (LCYB), and lycopene ε-cyclase (LCYE) [ 4 ]. Subsequently, the β-ring and ε-ring of α-carotene are catalyzed by carotene hydroxylase to produce α-carotene-derived xanthophylls (lutein). " - Lycopene beta-cyclase

Lycopene beta-cyclase

Phytoene Synthase - an overview ScienceDirect Topics

WebMay 7, 2015 · Lycopene β-cyclase (LCYB) is a key enzyme catalyzing the biosynthesis of β-carotene, the main source of provitamin A. However, there is no documented research … WebJul 1, 2024 · Lycopene β-cyclase (LCYB) is an essential enzyme that catalyzes the conversion of lycopene into α-carotene and β-carotene in carotenoid biosynthesis pathway. However, the roles and underlying mechanisms of the LCYB gene in plant responses to abiotic stresses are rarely known.

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WebAug 26, 2024 · LOC4328572 lycopene beta cyclase, chloroplastic [Oryza sativa Japonica Group (Japanese rice)] - Gene - NCBI NCBI Skip to main content Skip to navigation Resources All Resources Chemicals & Bioassays BioSystems PubChem BioAssay PubChem Compound PubChem Structure Search PubChem Substance WebOct 28, 2024 · Lycopene β-cyclase is one of the key enzymes in the biosynthesis of carotenoids, which catalyzes the β-cyclization of both ends of lycopene to produce β-carotene. Lycopene β-cyclases are found ...

WebSep 1, 1996 · These lipid-soluble compounds protect against photooxidation, harvest light for photosynthesis, and dissipate excess light energy absorbed by the antenna pigments. The cyclization of lycopene (psi, psi-carotene) is a key branch point in the pathway of … WebJun 24, 2012 · Two enzymes, lycopene ε-cyclase (LCYe) and lycopene β-cyclase (LCYb), which share high similarity in amino acid sequence and likely evolved from the same …

WebApr 9, 2010 · Lycopene β-cyclase is one of the crucial enzymes for carotenoid biosynthesis. Lycopene β-cyclase along with Lycopene ε-cyclase (LYC-E) bring about … WebThis enzyme converts lycopene to β-carotene by catalyzing the formation of two β-rings at each end of the linear carotene. The enzyme interacts with half of the carotenoid …

WebJul 15, 2024 · Cyclization of lycopene distinguishes branching point of the carotenoid biosynthesis pathway to complete the metabolic processes in higher plants (DellaPenna and Pogson 2006).LCYB catalyzes two β-rings (δ- and γ-lycopene) of lineal lycopene to produce β-carotene, while lycopene ε-cyclase (LCYE) creates one ε-ring to give δ …

WebMar 29, 2024 · Abstract. Carotenoids are important isoprenoids produced in the plastids of photosynthetic organisms that play key roles in photoprotection and antioxidative … happy birthday in fancy lettersWebSep 29, 2024 · The cyclisation of lycopene (psi, psi-carotene) is a key branch point in the pathway of carotenoid biosynthesis. Two types of cyclic end groups are found in higher … chairs with cup holderWebJul 2, 2009 · Expression analysis of carotenoid biosynthetic genes among different genotypes and fruit developmental stages identified Actinidia lycopene beta-cyclase ( LCY-β) as the gene whose expression pattern appeared to be associated with both total carotenoid and beta-carotene accumulation. chairs with french script fabricWebJun 24, 2012 · Two enzymes, lycopene ε-cyclase (LCYe) and lycopene β-cyclase (LCYb), which share high similarity in amino acid sequence and likely evolved from the same ancestor, have been confirmed to catalyze the cyclization of lycopene (Sandmann 2002 ). happy birthday in fijian languageWebSep 18, 2009 · Beta- and α-carotene are redundantly hydroxylated by non-haem (CHY1, CHY2) as well as cytochrome P450 (CYP97A and CYP97C) hydroxylases. Hydroxylation … chairs with fake furWebAug 8, 2010 · Cyclization of lycopene marks a branching point in the carotenoid biosynthetic pathway: One branch leads to β-carotene and its derivative xanthophylls such as zeaxanthin, violaxanthin, and neoxanthin via hydroxylation of β-carotene hydroxylase ( BCH) and ε-carotene hydroxylase ( ECH ), whereas the other leads to α-carotene and lutein. chairs with flare legsWebOct 19, 2024 · This review of lycopene β-cyclases summarizes the major studies on their basic classification, functional activity, metabolic engineering, and plant science. Lycopene β-cyclase is one of the key enzymes in the biosynthesis of carotenoids, which catalyzes the β-cyclization of both ends of lycopene to produce β-carotene. Lycopene β-cyclases are … happy birthday in fijian