Articles: PubMed: Effect of Illumination Intensity and Inhibition of Carotenoid Biosynthesis on Assembly of Peripheral Light-Gathering Complexes in Purple Sulfur Bacteria C Allochromatium vinosum ATCC 17899. PubMed: High carotenoid production by a halotolerant bacterium, Kocuria sp. strain QWT-12 and anticancer activity of its carotenoid. PubMed: Origin of the S* Excited State Feature of Carotenoids in Light-Harvesting Complex 1 from Purple Photosynthetic Bacteria. PubMed: Functional Lycopene Cyclase (CruA) in Cyanobacterium, Arthrospira platensis NIES-39, and its Role in Carotenoid Synthesis. PubMed: A metabolomic evaluation of the phytochemical composition of tomato juices being used in human clinical trials. PubMed: Enzymatic study on AtCCD4 and AtCCD7 and their potential to form acyclic regulatory metabolites. PubMed: Thermal processing differentially affects lycopene and other carotenoids in cis-lycopene containing, tangerine tomatoes. PubMed: Vibronic coupling in the excited-states of carotenoids. PubMed: Identification and spectroscopic characterization of neurosporene. PubMed: Enhanced bioavailability of lycopene when consumed as cis-isomers from tangerine compared to red tomato juice, a randomized, cross-over clinical trial. PubMed: Assembly of functional photosystem complexes in Rhodobacter sphaeroides incorporating carotenoids from the spirilloxanthin pathway. PubMed: Distribution of colored carotenoids between light-harvesting complexes in the process of recovering carotenoid biosynthesis in Ectothiorhodospira haloalkaliphila cells. PubMed: Multiple transformation with the crtYB gene of the limiting enzyme increased carotenoid synthesis and generated novel derivatives in Xanthophyllomyces dendrorhous. PubMed: Construction of carotenoid biosynthetic pathways using squalene synthase. PubMed: Dissection of tomato lycopene biosynthesis through virus-induced gene silencing. PubMed: Acyclic carotenoid and cyclic apocarotenoid cleavage by an orthologue of lignostilbene-α,β-dioxygenase in Rhodopseudomonas palustris. PubMed: Neurosporene is the major carotenoid accumulated by Rhodobacter viridis JA737. PubMed: New insight into the cleavage reaction of Nostoc sp. strain PCC 7120 carotenoid cleavage dioxygenase in natural and nonnatural carotenoids. PubMed: Heterologous carotenoid-biosynthetic enzymes: functional complementation and effects on carotenoid profiles in Escherichia coli. PubMed: High-level production of the industrial product lycopene by the photosynthetic bacterium Rhodospirillum rubrum. PubMed: Carotenogenesis gene cluster and phytoene desaturase catalyzing both three- and four-step desaturations from Rhodobacter azotoformans. PubMed: Rhodobacter viridis sp. nov., a phototrophic bacterium isolated from mud of a stream. PubMed: Elucidation of the biosynthetic pathway for Okenone in Thiodictyon sp. CAD16 leads to the discovery of two novel carotene ketolases. PubMed: Carotenoid radical formation: dependence on conjugation length. PubMed: Structural and kinetics properties of a mutated phytoene desaturase from Rubrivivax gelatinosus with modified product specificity. PubMed: Ultrafast time-resolved absorption spectroscopy of geometric isomers of carotenoids. PubMed: Ultrafast Time-resolved Absorption Spectroscopy of Geometric Isomers of Carotenoids. PubMed: Excitation energy transfer and carotenoid radical cation formation in light harvesting complexes - a theoretical perspective. PubMed: Carotenoids and carotenogenic genes in Podospora anserina: engineering of the carotenoid composition extends the life span of the mycelium. PubMed: Heterogeneity of carotenoid content and composition in LH2 of the purple sulphur bacterium Allochromatium minutissimum grown under carotenoid-biosynthesis inhibition. PubMed: Isorenieratene biosynthesis in green sulfur bacteria requires the cooperative actions of two carotenoid cyclases. PubMed: Ultrafast time-resolved carotenoid to-bacteriochlorophyll energy transfer in LH2 complexes from photosynthetic bacteria. PubMed: Mutation of a single residue, beta-glutamate-20, alters protein-lipid interactions of light harvesting complex II. PubMed: Culture characteristics of carotenoid-producing filamentous fungus T-1, and carotenoid production. PubMed: Evaluation of colors in green mutants isolated from purple bacteria as a host for colorimetric whole-cell biosensors. PubMed: Role of B800 in carotenoid-bacteriochlorophyll energy and electron transfer in LH2 complexes from the purple bacterium Rhodobacter sphaeroides. PubMed: Ultrafast dynamics and excited state spectra of open-chain carotenoids at room and low temperatures. PubMed: Kinetic variations determine the product pattern of phytoene desaturase from Rubrivivax gelatinosus. PubMed: Carotenoid radical cation formation in LH2 of purple bacteria: a quantum chemical study. PubMed: Astaxanthin formation in the marine photosynthetic bacterium Rhodovulum sulfidophilum expressing crtI, crtY, crtW and crtZ. PubMed: Mechanism of carotenoid singlet excited state energy transfer in modified bacterial reaction centers. PubMed: Sll0254 (CrtL(diox)) is a bifunctional lycopene cyclase/dioxygenase in cyanobacteria producing myxoxanthophyll. PubMed: Investigation of the effects of different carotenoids on the absorption and CD signals of light harvesting 1 complexes. PubMed: Monocyclic carotenoid biosynthetic pathway in the yeast Phaffia rhodozyma (Xanthophyllomyces dendrorhous). PubMed: Efficient light harvesting through carotenoids. PubMed: Accumulation of unusual carotenoids in the spheroidene pathway, demethylspheroidene and demethylspheroidenone, in an alkaliphilic purple nonsulfur bacterium Rhodobaca bogoriensis. PubMed: Effects of carotenoid inhibition on the photosynthetic RC-LH1 complex in purple sulphur bacterium Thiorhodospira sibirica. PubMed: Construction and characterization of genetically modified synechocystis sp. PCC 6803 photosystem II core complexes containing carotenoids with shorter pi-conjugation than beta-carotene. PubMed: [Isoprenoid pigments in representatives of the family Microbacteriaceae]. PubMed: Photo-oxidative stress in Rhodobacter sphaeroides: protective role of carotenoids and expression of selected genes. PubMed: Novel carotenoid oxidase involved in biosynthesis of 4,4'-diapolycopene dialdehyde. PubMed: Analysis in vitro of the enzyme CRTISO establishes a poly-cis-carotenoid biosynthesis pathway in plants. PubMed: Elimination of polarity in the carotenoid terminus promotes the exposure of B850-binding sites (Tyr 44, 45) and ANS-mediated energy transfer in LH2 complexes of Rhodobacter sphaeroides. PubMed: Conjugation length dependence of internal conversion in carotenoids: role of the intermediate state. PubMed: zeta-Carotene cis isomers as products and substrates in the plant poly-cis carotenoid biosynthetic pathway to lycopene. PubMed: Acquirement and characterization of a carotenoid mutant (GM309) of Rhodobacter sphaeroides 601. PubMed: Slr1293 in Synechocystis sp. strain PCC 6803 Is the C-3',4' desaturase (CrtD) involved in myxoxanthophyll biosynthesis. PubMed: Asymmetrically acting lycopene beta-cyclases (CrtLm) from non-photosynthetic bacteria. PubMed: Role of the C-terminal extrinsic region of the alpha polypeptide of the light-harvesting 2 complex of Rhodobacter sphaeroides: a domain swap study. PubMed: Response of Escherichia coli Containing Mycobacterial Carotene Genes to UV Radiation. PubMed: Chemistry, distribution, and metabolism of tomato carotenoids and their impact on human health. PubMed: Carotenoid composition and vitamin A value of an Argentinian squash (Cucurbita moschata). PubMed: Functional assembly of the foreign carotenoid lycopene into the photosynthetic apparatus of Rhodobacter sphaeroides, achieved by replacement of the native 3-step phytoene desaturase with its 4-step counterpart from Erwinia herbicola. PubMed: Tangerine dreams: cloning of carotenoid isomerase from Arabidopsis and tomato. PubMed: Interallelic complementation provides genetic evidence for the multimeric organization of the Phycomyces blakesleeanus phytoene dehydrogenase. PubMed: Phytoene desaturase, CrtI, of the purple photosynthetic bacterium, Rubrivivax gelatinosus, produces both neurosporene and lycopene. PubMed: Alteration of product specificity of Rhodobacter sphaeroides phytoene desaturase by directed evolution. PubMed: Biosynthesis of carotenoids in plastids of plants. PubMed: A single five-step desaturase is involved in the carotenoid biosynthesis pathway to beta-carotene and torulene in Neurospora crassa. PubMed: Carotenoid and ultrastructure variations in plastids of Arum italicum Miller fruit during maturation and ripening. PubMed: Substrate specificity of the expressed carotenoid 3,4-desaturase from Rubrivivax gelatinosus reveals the detailed reaction sequence to spheroidene and spirilloxanthin. PubMed: Catalytic properties of an expressed and purified higher plant type zeta-carotene desaturase from Capsicum annuum. PubMed: Heliorestis daurensis, gen. nov. Sp. Nov., An alkaliphilic rod-to-coiled-shaped phototrophic heliobacterium from a siberian soda lake PubMed: Refined crystal structures of reaction centres from Rhodopseudomonas viridis in complexes with the herbicide atrazine and two chiral atrazine derivatives also lead to a new model of the bound carotenoid. PubMed: Evaluation of structurally different carotenoids in Escherichia coli transformants as protectants against UV-B radiation. PubMed: A higher-plant type zeta-carotene desaturase in the cyanobacterium Synechocystis PCC6803. PubMed: The major carotenoid in all known species of heliobacteria is the C30 carotenoid 4,4'-diaponeurosporene, not neurosporene. PubMed: The carotenoid 7,8-dihydro-psi end group can be cyclized by the lycopene cyclases from the bacterium Erwinia uredovora and the higher plant Capsicum annuum. PubMed: Expression, purification and properties of lycopene cyclase from Erwinia uredovora. PubMed: Purification in an active state and properties of the 3-step phytoene desaturase from Rhodobacter capsulatus overexpressed in Escherichia coli. PubMed: Biochemical characterization of purified zeta-carotene desaturase from Anabaena PCC 7120 after expression in Escherichia coli. PubMed: Carotenoid composition and vitamin A value of Brazilian loquat (Eriobotrya japonica Lindl.). PubMed: Molecular cloning and functional expression in E. coli of a novel plant enzyme mediating zeta-carotene desaturation. PubMed: A specific carotenoid is required for reconstitution of the Rubrivivax gelatinosus B875 light harvesting complex from its subunit form B820. PubMed: Molecular structure and enzymatic function of lycopene cyclase from the cyanobacterium Synechococcus sp strain PCC7942. PubMed: Early steps in carotenoid biosynthesis: sequences and transcriptional analysis of the crtI and crtB genes of Rhodobacter sphaeroides and overexpression and reactivation of crtI in Escherichia coli and R. sphaeroides. PubMed: A novel carotenoid biosynthesis gene coding for zeta-carotene desaturase: functional expression, sequence and phylogenetic origin. PubMed: Functional complementation in Escherichia coli of different phytoene desaturase genes and analysis of accumulated carotenes. PubMed: Elucidation of the Erwinia uredovora carotenoid biosynthetic pathway by functional analysis of gene products expressed in Escherichia coli. PubMed: Photoisomerization of lycopene during carotenogenesis in mutant C-6D of Scenedesmus obliquus. PubMed: Evidence for an essential role of carotenoids in the assembly of an active photosystem II. PubMed: A Rhodobacter sphaeroides puf L, M and X deletion mutant and its complementation in trans with a 5.3 kb puf operon shuttle fragment. PubMed: The triterpenoid carotenoids and related terpenoids in Staphylococcus aureus 209P. PubMed: Reconstitution of carotenoids into the light-harvesting pigment-protein complex from the carotenoidless mutant of Rhodopseudomonas as sphaeroides R26. PubMed: Inhibition of carotenoid synthesis in Micrococcus roseus. PubMed: Biosynthesis of carotenoids derived from neurosporene in Rhodopseudomonas capsulata. PubMed: The resonance Raman spectrum of carotenoids as an intrinsic probe for membrane potential. Oscillatory changes in the spectrum of neurosporene in the chromatophores of Rhodopseudomonas sphaeroides. PubMed: Biosynthesis of aryl carotenoids: inhibitor studies of chlorobactene biosynthesis in Chlorobium limicola f. thiosulfatophilum. PubMed: Carotenogenesis associated with arthrosporulation of Trichophyton mentagrophytes. PubMed: Studies on the near-UV effect on carotenogenesis in Verticillium agaricinum. PubMed: A series of mutant strains of Scenedesmus obliquus with abnormal carotenoid compositions. PubMed: The carotenoids of Flavobacterium strain R1560. PubMed: The carotenoid shift in Rhodopseudomonas sphaeroides. The flash induced change. PubMed: Enzymatic synthesis of C40 carotenes by cell-free preparation from Halobacterium cutirubrum. PubMed: An enzyme complex for the dehydrogenation of phytoene in Phycomyces. PubMed: [Effect of high pressure on the carotenoid content of Blakeslea trispora Thaxter mycelium]. PubMed: Carotenoid pigments of Mycobacterium kansasii. PubMed: Triterpenoid carotenoids and related lipids. Triterpenoid monohydroxy- and monoglucosyloxy-carotenoids from Streptococcus faecium UNH 564P. PubMed: Triterpenoid carotenoids and related lipids. The triterpenoid carotenes of Streptococcus faecium UNH 564P. PubMed: Biosynthesis of carotenoids in Brevibacterium sp. KY-4313. PubMed: Biosynthesis of spheroidene and hydroxyspheroidene in Rhodopseudomonas species: experiments with nicotine as inhibitor. PubMed: [Light dependent carotenoid synthesis : VI. Time course of synthesis of various carotenoids in Fusarium aquaeductuum after various inductive treatments]. PubMed: A novel sequence for phytoene dehydrogenation in Rhodospirillum rubrum. PubMed: Alternative pathways of spirilloxanthin biosynthesis in Rhodospirillum rubrum. PubMed: The stereospecific biosynthesis of phytoene and polyunsaturated carotenes. PubMed: BIOSYNTHESIS OF YEAST CAROTENOIDS. PubMed: Nonsaponifiable lipids of representative pleuropneumonia-like organisms. PubMed: [Identification of the major carotenoids of some fungi of the Ascomycetes and Basidiomycetes group. Neurosporene in Cantharellus infundibul informis]. PubMed: On a cis-neurosporene ex Pyracantha and the in vitro; stereoisomerization of neurosporene.