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Class 435/67 - Preparing compound containing a carotene nucleus (i.e., carotene)


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Processes wherein the product synthesized contains either
No. of patents: 146
Last issue date: 05/08/2012


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NumberTitleIssue Date
8173391Golden yellow algae and method of producing the same
The present invention relates to a method for cultivating carotenoid rich golden yellow algae by varying the ratio of carbon to nitrogen content in the culture medium during cultivation and supplementing the media periodically with citrate and acetate compounds to e...
05/08/2012
8030022Microorganism and method for producing carotenoid using it
A carotenoid producing bacterium belonging to the genus Paracoccus that selectively produces canthaxanthin so that the amount thereof is not less than 90 percent by weight of the total amount of produced carotenoids including β-carotene, β-cryptoxanthin, ec...
10/04/2011
7799540Method of producing lycopene through the fermentation of selected strains of , formulations and uses of the lycopene thus obtained
The method of fermentation with selected strains of B. trispora described in the present invention makes it possible to achieve lycopene yields higher than those currently described. The methods of isolation, purification and formulation are applicable to any...
09/21/2010
7785823Method for selective separation of free-astaxanthin from green algae
There is provided a method of separating free-astaxanthin selectively from green algae and, more particularly, to a method of separating free-astaxanthin selectively from Haematococcus pluvialis, the method comprising: mixing a cell culture containing Haem...
08/31/2010
7745170Process for producing carotenoid compound
The present invention relates to a process for producing zeaxanthin, β-carotene, or lycopene, comprising inducing mutation in a carotenoid-producing microorganism in which the base sequence of DNA corresponding to 16S ribosomal RNA is substantially homologous to th...
06/29/2010
7741070Gene targets for enhanced carotenoid production
The present invention provides engineered cells and methods for utilizing same. Methods of enhanced carotenoid synthesis utilizing cells genetically disrupted for a yjiD, hnr or yjfP gene, or further disrupted for a gdhA, gpmB, aceE, ppc, talB or fdhF gene, or any c...
06/22/2010
7723066Processes for in vivo production of astaxanthin and phaffia rhodozyma yeast of enhanced astaxanthin content
An economical process for in vivo production of the pigment astaxanthin, and particularly a process for enhancing astaxanthin content of cultures of microorganisms of genus Phaffia, the process comprising culturing a microorganism of genus Phaffia in a...
05/25/2010
7695931Carotenoid hydroxylase gene, method for preparing hydroxylated carotenoid, and novel geranylgeranyl pyrophosphate synthase
The present invention provides a Brevundimonas sp. strain SD212-derived peptide having β-ionone ring-2-hydroxylase activity and a gene encoding the same, to thereby make it possible to produce rare carotenoids in which a hydroxyl group is introduced at the p...
04/13/2010
7695932Gene targets for enhanced carotenoid production
The present invention provides genetically manipulated cells and methods for utilizing same. Methods of enhanced carotenoid synthesis utilizing cells genetically disrupted for a yjiD, hnr or yjfP gene, or further disrupted for a gdhA, gpmB aceE, ppc, talB or fdhF ge...
04/13/2010
7687246Process for producing carotenoids
The present invention relates to a biological process for producing carotenoids utilizing a microorganism which is capable of producing carotenoids and belonging to the genus Xanthophyllomyces (Phaffia) in the presence of an inhibitor for biosynthesis ...
03/30/2010
7595171Ketocarotenoids from
Methods for the production of new Adonis palaestina plants and plant populations with improved characteristics such as increased flower size, astaxanthin content, and/or reduced cardenolide content are provided. Also provided are an astaxanthin-containing ...
09/29/2009
7566551Method of producing xanthophyll
The present invention provides a method for producing a xanthophyll from a photosynthetic microalga, which includes inoculating a photosynthetic microalga containing a xanthophyll, preferably an encysted microalga, into a nutrient medium to grow the microalga; and e...
07/28/2009
7504236Method to increase carotenoid production in a microbial host cell by down-regulating glycogen synthase
A method to increase carotenoid production in carotenogenic microbial host cells is provided by down-regulating or disrupting glycogen synthesis. Disruption of glycogen synthase activity in a carotenogenic microbial host cell significantly increased carotenoid produ...
03/17/2009
7459288Method of producing retinyl esters
A method of producing a retinyl ester compound comprising subjecting a composition comprising retinyl or a retinyl ester and a fat or oil of animal or vegetable origins to enzyme catalysed trans-esterification in solvent free conditions to produce a retinyl ester.
12/02/2008
7432076Astaxanthin production using fed-batch fermentation process by Phaffia rhodozyma
Disclosed is a fermentation method of astaxanthin using Phaffia rhodozyma comprising the steps of: (a) in the growing phase, feeding of a nutrient medium containing glucose or sucrose based on the specific growth rate (μ) of Phaffia rhodozyma cells, and (b) in the ...
10/07/2008
7422873Mutant carotenoid ketolase
CrtW carotenoid ketolases are provided useful for the production of astaxanthin. The ketolases genes of the present invention exhibit improved ketolase activity when converting cyclic hydroxylated carotenoid intermediates into astaxanthin. Recombinant expression of ...
09/09/2008
7413872Device for preparing specimens for a cryo-electron microscope
The invention relates to a device for preparing specimens for a cryo-electron microscope, comprising an environmental chamber, a holder for a sample or a carrier, and at least one blotting element to which a medium for absorbing liquid is or can be attached, both di...
08/19/2008
7393671Mutant carotenoid ketolases
CrtW carotenoid ketolases are provided that are useful for the production of astaxanthin and other cyclic ketocarotenoids. The mutant ketolase genes of the present invention encode polypeptides characterized by an improvement in astaxanthin synthesis activity when c...
07/01/2008
7381541Methods for producing animal feed preparations with astaxanthin-containing plants or parts of plants of the genus
The present invention relates to the use of astaxanthin-containing plants or parts of plants of the genus Tagetes or astaxanthin-containing extracts of astaxanthin-containing plants or parts of plants of the genus Tagetes for oral administration to ani...
06/03/2008
7374908Microorganism and production of carotinoid compounds thereby
It is intended to provide a process for conveniently and efficiently producing large amounts of astaxanthin and canthaxanthin from a material which can be easily obtained. A microorganism Thraustochytrium sp. CHN-3 (FERM P-18556) capable of producing astaxant...
05/20/2008
7347163Microbial feedstock for filter feeding aquatic organisms
The present invention provides a method of cultivating filter feeders such as Artemia by substituting special microorganisms for naturally occurring microscopic algae, and providing conditions optimal for the growth of these organisms. These subsituted special micro...
03/25/2008
7335815Nucleic acid sequences to proteins involved in isoprenoid synthesis
Methods are provided for producing plants and seeds having altered isoprenoid content and compositions. The methods find particular use in increasing the isoprenoid levels in plants, and in providing desirable isoprenoid compositions in a host plant cell. ...
02/26/2008
7291482Mutations affecting plasmid copy number
Mutations in chromosomal genes have been identified that affect plasmid copy number in plasmids that are anti-sense RNA regulated such as the pMB1-derived and p15A-derived plasmids. ...
11/06/2007
7288387Genes of strain DC413 encoding enzymes involved in biosynthesis of carotenoid compounds
A carotenogenic biosynthetic gene cluster has been isolated from Panteoa stewartii strain DC413, wherein the genetic organization of the cluster is crtE-idi-crtX-crtY-crtI-crtB-crtZ. The genes contained within this cluster encode geranylgeranyl pyrophosphate ...
10/30/2007
7288395ACC gene
The present invention relates to a gene useful in a process to increase the microbial production of carotenoids. The carotenoids astaxanthin is distributed in a wide variety of organisms such as animals, algae and microorganisms. It has a strong antioxidation proper...
10/30/2007
7252964Isolated carotenoid biosynthesis gene cluster involved in canthaxanthin production and applications thereof
Isolated gene cluster involved in canthaxanthin biosynthesis, which comprises a polynucleotide wherein: crtY, crtI, crtB and crtW genes are clustered in this order and in the same orientation, and, preceding the fo...
08/07/2007
7252965Method of production of β-carotene by fermentation in mixed culture using (+) and (−) strains of
The invention consists of fermenting selected strains of Blakeslea trispora in conditions such that β-carotene is produced in the form of stabilized preparations with residual contents of other carotenoids (γ-carotene and β-zeacarotene). The fermentation c...
08/07/2007
7244596Separation of biomass from lactic-acid containing fermentation products by means of flocculation
The present invention is in the field of the preparation of lactic acid by means of fermentation, more particularly it is directed to processes to separate the biomass from the lactic acid-containing fermentation product by means of flocculation. We have foun...
07/17/2007
7240862Method and apparatus for disrupting cells in a fluid suspension by means of a continuous process
Method for disrupting S. Cerevisiae yeast cells in an aqueous solution, by means of a continuous process under high pressure (up to 4000 bar), using a homogenizer. The suspension to be processed passes through a homogenizing valve with a “sharp edgeâ...
07/10/2007
7238514Diterpene-producing unicellular organism
The present invention is directed to a unicellular organism system, such as a yeast, for producing geranylgeranyl pyrophosphate and a diterpene in vivo. The yeast cell preferably comprises an inducible nucleic acid sequence encoding geranylgeranyl pyrophosphate synt...
07/03/2007
7235270Pain balm
The present invention comprises a pain balm comprising a fermentation extract of the cultivar of the genus capsicum. ...
06/26/2007
7232665Mutations affecting carotenoid production
Mutations in genes having no direct relationship to the carotenoid biosynthetic pathway have been found to increase carbon flux through that pathway. Complete disruption in the deaD, mreC, and yfhE genes were effective. Additionally where genes of the lower caroteno...
06/19/2007
7232666Optimized bacterial host strains of 16a
Methanotrophic bacterial strains are provided that have been optimized for the production of carotenoid compounds through the down-regulation of one or more of the crtN1, ald, crtN2 and crtN3 genes of the carotenoid biosynthetic pathway. The resulting strains lack p...
06/19/2007
7229784Modulation of secondary metabolite production by zinc binuclear cluster proteins
Methods for improving the production of a secondary metabolite by a fungus by increasing the yield or productivity of the secondary metabolite produced by the fungus are described. The methods include increasing the expression of LYS14, for example, by transforming ...
06/12/2007
7229786Method of producing purified carotenoid compounds
A method of producing a carotenoid in solid form includes culturing a strain of Chlorophyta algae cells in a minimal inorganic medium and separating the algae comprising a solid form of carotenoid. In one embodiment f the invention, the strain of Chlorophyta algae c...
06/12/2007
7217537Method to increase carotenoid production in a microbial host cell by down-regulating glycogen synthase
A method to increase carotenoid production in carotenogenic microbial host cells is provided by down-regulating or disrupting glycogen synthesis. Disruption of glycogen synthase activity in a carotenogenic microbial host cell significantly increased carotenoid produ...
05/15/2007
7217546Commercially viable process for high purity of fatty alcohol Cto Cand its cosmetic application for skin hair and nails
The present invention discloses an economically viable process for producing large quantity of higher fatty alcohol of chain length C24–C36 from natural waxes. The said alkanols have enriched percentage of 70–95% of C28 fatty alc...
05/15/2007
7214379Method for the purification of marigold oleoresin
Marigold oleoresin having a low viscosity and a high lutein content which can be filled in soft capsules can be obtained according to the method of the present invention, which is characterized by combining a step of subjecting oleoresin to supercritical fluid extra...
05/08/2007
7211656Desaturase genes, enzymes encoded thereby, and uses thereof
Disclosed are isolated polynucleotides encoding an omega-3 desaturase and a delta-12 desaturase, the enzymes encoded by the isolated polynucleotides, vectors containing the isolated polynucleotides, transgenic hosts that contain the isolated polynucleotides that exp...
05/01/2007
7205123Recombinant materials for carotenoid production
The present invention provides recombinant DNA comprising a transcription promoter and a downstream sequence to be expressed, in operable linkage therewith, wherein the transcription promoter comprises a region found upstream of the open reading frame of a highly ex...
04/17/2007
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