(12) United States Patent (10) Patent No.: US 8,367,395 B2 Bailey Et Al

Total Page:16

File Type:pdf, Size:1020Kb

(12) United States Patent (10) Patent No.: US 8,367,395 B2 Bailey Et Al US008367395 B2 (12) United States Patent (10) Patent No.: US 8,367,395 B2 Bailey et al. (45) Date of Patent: Feb. 5, 2013 (54) PRODUCTION OFSTEROLS IN (58) Field of Classification Search ........................ None OLEAGNOUSYEAST AND FUNG See application file for complete search history. (75) Inventors: Richard B. Bailey, South Natick, MA (56) References Cited (US); Joshua Trueheart, Concord, MA (US); Kevin T. Madden, Arlington, MA U.S. PATENT DOCUMENTS (US) 2006, OO88903 A1 4/2006 Lang et al. 2009/0324800 Al 12/2009 Bailey et al. (73) Assignee: DSM IP Assets B.V., Heerlen (NL) FOREIGN PATENT DOCUMENTS (*) Notice: Subject to any disclaimer, the term of this EP O 486 290 B1 5, 1992 patent is extended or adjusted under 35 OTHER PUBLICATIONS U.S.C. 154(b) by 123 days. Merkulov et al. Yeast. Feb. 2000:16(3):197-206.* Chica et al. Curr Opin Biotechnol. Aug. 2005:16(4):378-84.* (21) Appl. No.: 12/443,350 Sen et al. Appl Biochem Biotechnol. Dec. 2007: 143(3):212-23.* 1-1. Veen et al. FEMSYeast Res. Oct. 2003;4(1):87-95.* (22) PCT Filed: Sep. 28, 2007 Madzak et al. J. Biotechnol. Apr. 8, 2004:109(1-2): 63-81.* Athenstaedt et al., “Lipid particle composition of the yeast Yarrowia (86). PCT No.: PCT/US2007/021091 lipolytica depends on the carbon source'. Proteomica, 6:1450-1459 (2006). S371 (c)(1), Merkulov et al., “Cloning and characterization of the Yarrowia (2), (4) Date: May 28, 2009 lipolytica squalene synthase (SQS1) gene and functional complementation of the Saccharomyces cerevisiae erg9 mutation'. (87) PCT Pub. No.: WO2008/130372 Yeast, 16:197-206 (2000). International Search Report for PCT/US2007/021091, mailed Jan. PCT Pub. Date: Oct. 30, 2008 13, 2009. International Preliminary Report on Patentability for PCT/US2007. (65) Prior Publication Data 021091, mailed Mar. 31, 2009. US 2010/0305341 A1 Dec. 2, 2010 * cited by examiner O O Primary Examiner — Christian Fronda Related U.S. Application Data (74) Attorney, Agent, or Firm — Choate, Hall & Stewart, (60) Provisional application No. 60/848,582, filed on Sep. LLP 28, 2006. (57) ABSTRACT (51) Int. Cl. The present invention provides methods for production of one CI2N 9/00 (2006.01) or more sterol compounds. Further provided are methods and CI2N 9/10 (2006.01) systems for producing engineered oleaginous yeast or fungi CI2N I/00 (2006.01) that are capable of production of one or more sterol com CI2N IS/00 (2006.01) pounds, and compositions which utilize the produced Sterol C7H 2L/04 (2006.01) compound(s). (52) U.S. Cl. ................... 435/254.11: 435/183; 435/193; 435/320.1; 536/23.2 9 Claims, 37 Drawing Sheets U.S. Patent Feb. 5, 2013 Sheet 2 of 37 US 8,367,395 B2 U.S. Patent Feb. 5, 2013 Sheet 4 of 37 US 8,367,395 B2 Non-mevalonate Mevalonate Pathway O O Pathway os-coo". Crop He3 g sco 1 2 OH Acetyl-CoA dxS CO2 FIG.3 . COA-SH OH O' O O s OP H3C 1-sca OH 10 3. Acetyl-CoA 2 NADPH +2H COASH dXr (ispC) 2 NADP 9 'oho SOH or 11Š-Ns. S-CoA OP 2 NADPH + 2H 4 CTP O OH COA-SH ispD (ygbp) PP NH2 S 12 OH OH O O N O S o-P-O-P-o N-so ATP OH OH O ADP O O- O OH - ATP Š- OPP ispE (ychB) S. ADP O 13 ATP O W-O NH2 ADP 9 y Q O O "OH r-i-o-, -o N-so S OH OH p O le. O 1 14- SOPPATP ADP ispF (ygbB) -CMP OP O ul-s-s W-O 15 OPP or \o sai-O1 V CO2 OH OH O P 7 1- OPP ispG (gCpE) 16 idi 's- OPP ispH (lytB) OH -s-s OPP 1 7 U.S. Patent Feb. 5, 2013 Sheet 5 Of 37 US 8,367,395 B2 FIG.4 FPP YEAST ERG ERG 9 trans, trans-farensyl diphosphate = presqualene - PP C-14 demethylase ERG 9 squalene squalene monooxygenase ERG 1 2,3-epoxysqualene 2, 3-oxidosqualene lanosterol synthase ERG 7 lanosterol C-14 demethylase t ERG 11 14-demethyllanosterol (4, 4-dimethyl-cholesta-8, 14,24-trienol) C-14 reductase ERG 24 4, 4-dimethylzymosterol (4, 4-dimethyl-cholesta-8,24-dienol) C-4 methyloxidase ERG 25 -a- Vitamin D3 C-4 decarboxylase ERG 26 Zymosterone 3-ketOreductase ERG 27 zymosterol (cholesta-8,24-dienol) C-24 methyltransferase ERG6 fecOStero (ergosta-8,24-dienol) A8-7 isomerase t ERG 2 episterol (ergosta, 7,24-dienol) C-5 desaturase ERG 3 ergosta-5, 7,24-treinol C-22 desaturase ERG 5 ergosta-5, 7,22,24-tetraenol C-24 reductase ERG 4 ergosterol -- vitamin D2 (ergosta-5, 7,22-trienol) U.S. Patent Feb. 5, 2013 Sheet 6 of 37 US 8,367,395 B2 FIG.5 mevatonate pathway Non-mevalonate pathway (Operates in humans) (Operates in some human pathogens/not in humans) isopentenyl diphosphate - I - Dimethylally diphosphate (IPPC) Somerase (DMAPP; C5) Head-to-tail Condensation GPP synthase Phylosierols Geranyl diphosphate -e- Monoterpenes (GPP; C10) FPP synthase (+ IPP) Squalene Synthase Squalene -s- Farnasyl diphosphate -- Sesquiterpenes, (FPP; C15) Triterpenes GGPP synthase Cholesterol, Bile acids (+ IPP) Steroids hormones (in Human) Geranylgeranyl diphosphate -ie- Diterpenes, Carotenoids, (GGPP; C20) Ubiquinones, Menaquinones, Plastoquinones Prenyl diphosphate synthase (+IPP) Polyprenyl diphosphate V Polyprenyl-phosphate (Pol-P) (Pol-PP) P (e.g. C5-C5 in Mycobacteria) U.S. Patent Feb. 5, 2013 Sheet 7 Of 37 US 8,367,395 B2 FIG.6 Hydroxybenzoate soprenyl Biosynthesis Biosynthesis Acetyl-CoA Acetoacetyl-CoA HMG-COA -- HMG-CoA reducase Mevatonate Tyrosine (or phenylalanine) Mevalonate-P 4OH-Phenylpyruvate Mevatonate-PP 4OH-Phenylaciate isopentenyl-PP oil- cle Protein isoprenylation t 4OH-Benzoate Decaprenyl-PP - Farnesyl-PP Z-r Galley | | - -- cis-Prenyltransferase Decaprenoyl trans Squalene Squalene 40H-benzoatetransferase Prenvlrenyltransferase transf SVnthetasey Polyprenyl-PP Decaprenyl-4OH-benzoate Cholesterol / \ Dolichol Dolichy-PP Ubiquinone Carotenoid Cholesterol Biosynthesis Ubiquinone Biosynthesis Biosynthesis U.S. Patent US 8,367,395 B2 U.S. Patent Feb. 5, 2013 Sheet 9 of 37 US 8,367,395 B2 - - - - -nm - r real are C - N - u mi " in to Wu- - -- Y- a-- Y--> -- war U.S. Patent Feb. 5, 2013 Sheet 10 Of 37 US 8,367,395 B2 **** U.S. Patent Feb. 5, 2013 Sheet 11 of 37 US 8,367,395 B2 U.S. Patent US 8,367,395 B2 J. --------> | TÈ era yar ar, wrw Yra r Y ea as -sa -s Mw ars, ex. as M. Yas - N is war Co. i - st d is are tner - - C, CS, “s at s' CSY or --, IN CO O D C co. cc co do is rs is sy wa wala xa wa Y-M We wer ser a weat U.S. Patent US 8,367,395 B2 GE U.S. Patent US 8,367,395 B2 "501-1// U.S. Patent Feb. 5, 2013 Sheet 17 Of 37 US 8,367,395 B2 61.870€HOITWA 6Z8990-IOITWA 6G).OVOJOTVÅ W1670GTdX 99Z99909||7030GTdX 81879903| U.S. Patent US 8,367,395 B2 U.S. Patent Feb. 5, 2013 Sheet 20 Of 37 US 8,367,395 B2 FIG.9A Schematic diagram of certain plasmids used herein pMB4591 6680 bp kan R hmg1-trunc Ban HI Acc65. Kpni Mll I Spel ACC65 Kpni Sna BI U.S. Patent Feb. 5, 2013 Sheet 21 Of 37 US 8,367,395 B2 FIG.9B Schematic diagram of certain plasmids used herein Accó51 Kpni ampr carb(i-) pMB4660 : 8046 bp exon3 ill Mlul kan R &\ RN / Spe Xho Aw Ni (8261) HindIII (360) - ERG9Orf pMB4789 pcrmut (TioA)(1890)s KAN erg9::URA3 -- BstEIII (2231.) Spe I (2290) Alw NI (5935) F1 Ori --- AfLII (3267) URA3Orf Apa I (5220) Sma I (3695) Aw NI (5134) N. Nsi I (4204) ERG9 3'flank U.S. Patent Feb. 5, 2013 Sheet 22 Of 37 US 8,367,395 B2 FIG.9C Schematic diagram of certain plasmids used herein Acc65 (250) KpnI (254) w Spel (453) NheI (658) NotI (665) Mlul (672) Spel (810) AMP Sal I (1166) if ura3 (1549) KANr Xbal (2734) F1 Or. Spel (8353) Mlul (1) / Spel (139) carrP(-) Spel (6349) Kpnl (6150) i. XbalNot I (2303)(232 I) AccG5I (6146) U.S. Patent Feb. 5, 2013 Sheet 23 Of 37 US 8,367,395 B2 FIG.9D pUC ori ampR Kan R pMB4628 8470 bp exOn2 pMB4638 9596 bp exOn3 U.S. Patent Feb. 5, 2013 Sheet 24 of 37 US 8,367,395 B2 FIG.9F Kan R ampR pMB4692 Kan R U.S. Patent Feb. 5, 2013 Sheet 25 Of 37 US 8,367,395 B2 FIG.9H pUC ori pMB4698 8653 bp ACC65 (250 FIG.91 / ci. Ea Spel (453) HMG1 trune AMPrs BamHI (1783) AccG5 (1883) Kpni (1887) MIul (2178) KANr Spel (2316) Xba I (4240) URA3Of U.S. Patent Feb. 5, 2013 Sheet 26 of 37 US 8,367,395 B2 FIG.9/ pUC ori AMP Acc65 (1008) Kpnl (1012) Spel (1211) KANr. Ay 4- Nhe I (1453) CrtW (Parva.) Mlu I (2220) F1 Ori A Spel (2358) N. AccG5 (2588) Xba I (5832) - Kpnl (2592) Not I (5814) S-Accesi (4030) ADE 1 of Kpnl (4034) FIG.9K pUC ori AMPr AccG5I (1008) Kpnl (1012) Spel (1211) KANr crtW (Aurant.) i-Miul (2377) fis Spel (2515) - Acc65 (2745) Xbal (5989) Kpnl (2749) Nott (5971) AccG5 (4187) ADE 1 of Kpnl (41.91) U.S. Patent Feb. 5, 2013 Sheet 27 Of 37 US 8,367,395 B2 FIG.9L AccG5I (241), Kpn I (245) Spel (444) Nhe I (650) Not I (657) Miu I (664) AMP Bam HI (2028) Spel (2034) Sal I (2398) URA3 Acc 65I (250) Kpn I (254) Spel (453) Mlul (882) CrtZ (Xanth.) Mlul (1178) AMP Spel (1334) Sal I (1690) KANr URA3Orf U.S.
Recommended publications
  • Characterization of the Ergosterol Biosynthesis Pathway in Ceratocystidaceae
    Journal of Fungi Article Characterization of the Ergosterol Biosynthesis Pathway in Ceratocystidaceae Mohammad Sayari 1,2,*, Magrieta A. van der Nest 1,3, Emma T. Steenkamp 1, Saleh Rahimlou 4 , Almuth Hammerbacher 1 and Brenda D. Wingfield 1 1 Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria 0002, South Africa; [email protected] (M.A.v.d.N.); [email protected] (E.T.S.); [email protected] (A.H.); brenda.wingfi[email protected] (B.D.W.) 2 Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, MB R3T 2N2, Canada 3 Biotechnology Platform, Agricultural Research Council (ARC), Onderstepoort Campus, Pretoria 0110, South Africa 4 Department of Mycology and Microbiology, University of Tartu, 14A Ravila, 50411 Tartu, Estonia; [email protected] * Correspondence: [email protected]; Fax: +1-204-474-7528 Abstract: Terpenes represent the biggest group of natural compounds on earth. This large class of organic hydrocarbons is distributed among all cellular organisms, including fungi. The different classes of terpenes produced by fungi are mono, sesqui, di- and triterpenes, although triterpene ergosterol is the main sterol identified in cell membranes of these organisms. The availability of genomic data from members in the Ceratocystidaceae enabled the detection and characterization of the genes encoding the enzymes in the mevalonate and ergosterol biosynthetic pathways. Using Citation: Sayari, M.; van der Nest, a bioinformatics approach, fungal orthologs of sterol biosynthesis genes in nine different species M.A.; Steenkamp, E.T.; Rahimlou, S.; of the Ceratocystidaceae were identified.
    [Show full text]
  • The Biosynthesis of Carotenoids
    THE BIOSYNTHESIS OF CAROTENOIDS C. 0. CHICHESTER Department of Food Science and Technology, University of a4fornia, Davis, Galjf 95616, U.S.A. INTRODUCTION Considerable progress has been made in the field of carotenoid bio- chemistry in the last ten to fifteen years. Prior to that very little, if anything, was known about the units which formed the intermediates of the coloured 40—carbon pigments, or the structures of those that were proposed as intermediates. Like all fields of biochemistry, as knowledge is accumulated specific problems are crystallized. These generally concern key areas, which until an understanding is achieved can substantially hinder the unification of a field or problem. The biochemistry of the carotenoids has arrived at this point. INTERMEDIATE COMPOUNDS IN CAROTENOID BIOSYNTHESIS There is general consensus as to the identity of the intermediate com- pounds which form the building blocks of the carotenoids. Studies in Phycornyces blakesleeanus, tomatoes, corn, carrots, Mucor hiemalis, spinach leaves, and bean leaves all coincide to indicate that the common building block of carotenoids is mevalonic acid'—7. Some experiments concerned with carotenoids, and many with sterols, have shown that /3-methyl-/3- hydroxyglutarate-CoA, and/or acetoacetic-CoA, are the normal sources of inevalonic acid" 8 In Phycomyces blalcesleeanus, as well as tomatoes, it has been shown rather unequivocally that the first steps in the conversion of meva- lonic acid to the C—40's are identical to those postulated for the formation of sterols911. The mevalonic acid is converted via the 5-phosphomevalonic acid to the 5-pyrophosphoryl mevalonic acid'2. This compound is then decarboxylated to form the z3-isopentenol pyrophosphate.
    [Show full text]
  • Synthetic Conversion of Leaf Chloroplasts Into Carotenoid-Rich Plastids Reveals Mechanistic Basis of Natural Chromoplast Development
    Synthetic conversion of leaf chloroplasts into carotenoid-rich plastids reveals mechanistic basis of natural chromoplast development Briardo Llorentea,b,c,1, Salvador Torres-Montillaa, Luca Morellia, Igor Florez-Sarasaa, José Tomás Matusa,d, Miguel Ezquerroa, Lucio D’Andreaa,e, Fakhreddine Houhouf, Eszter Majerf, Belén Picóg, Jaime Cebollag, Adrian Troncosoh, Alisdair R. Ferniee, José-Antonio Daròsf, and Manuel Rodriguez-Concepciona,f,1 aCentre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, 08193 Barcelona, Spain; bARC Center of Excellence in Synthetic Biology, Department of Molecular Sciences, Macquarie University, Sydney NSW 2109, Australia; cCSIRO Synthetic Biology Future Science Platform, Sydney NSW 2109, Australia; dInstitute for Integrative Systems Biology (I2SysBio), Universitat de Valencia-CSIC, 46908 Paterna, Valencia, Spain; eMax-Planck-Institut für Molekulare Pflanzenphysiologie, 14476 Potsdam-Golm, Germany; fInstituto de Biología Molecular y Celular de Plantas, CSIC-Universitat Politècnica de València, 46022 Valencia, Spain; gInstituto de Conservación y Mejora de la Agrodiversidad, Universitat Politècnica de València, 46022 Valencia, Spain; and hSorbonne Universités, Université de Technologie de Compiègne, Génie Enzymatique et Cellulaire, UMR-CNRS 7025, CS 60319, 60203 Compiègne Cedex, France Edited by Krishna K. Niyogi, University of California, Berkeley, CA, and approved July 29, 2020 (received for review March 9, 2020) Plastids, the defining organelles of plant cells, undergo physiological chromoplasts but into a completely different type of plastids and morphological changes to fulfill distinct biological functions. In named gerontoplasts (1, 2). particular, the differentiation of chloroplasts into chromoplasts The most prominent changes during chloroplast-to-chromo- results in an enhanced storage capacity for carotenoids with indus- plast differentiation are the reorganization of the internal plastid trial and nutritional value such as beta-carotene (provitamin A).
    [Show full text]
  • Genetic Modification of Tomato with the Tobacco Lycopene Β-Cyclase Gene Produces High Β-Carotene and Lycopene Fruit
    Z. Naturforsch. 2016; 71(9-10)c: 295–301 Louise Ralley, Wolfgang Schucha, Paul D. Fraser and Peter M. Bramley* Genetic modification of tomato with the tobacco lycopene β-cyclase gene produces high β-carotene and lycopene fruit DOI 10.1515/znc-2016-0102 and alleviation of vitamin A deficiency by β-carotene, Received May 18, 2016; revised July 4, 2016; accepted July 6, 2016 which is pro-vitamin A [4]. Deficiency of vitamin A causes xerophthalmia, blindness and premature death, espe- Abstract: Transgenic Solanum lycopersicum plants cially in children aged 1–4 [5]. Since humans cannot expressing an additional copy of the lycopene β-cyclase synthesise carotenoids de novo, these health-promoting gene (LCYB) from Nicotiana tabacum, under the control compounds must be taken in sufficient quantities in the of the Arabidopsis polyubiquitin promoter (UBQ3), have diet. Consequently, increasing their levels in fruit and been generated. Expression of LCYB was increased some vegetables is beneficial to health. Tomato products are 10-fold in ripening fruit compared to vegetative tissues. the most common source of dietary lycopene. Although The ripe fruit showed an orange pigmentation, due to ripe tomato fruit contains β-carotene, the amount is rela- increased levels (up to 5-fold) of β-carotene, with negli- tively low [1]. Therefore, approaches to elevate β-carotene gible changes to other carotenoids, including lycopene. levels, with no reduction in lycopene, are a goal of Phenotypic changes in carotenoids were found in vegeta- plant breeders. One strategy that has been employed to tive tissues, but levels of biosynthetically related isopre- increase levels of health promoting carotenoids in fruits noids such as tocopherols, ubiquinone and plastoquinone and vegetables for human and animal consumption is were barely altered.
    [Show full text]
  • Biosynthesis of New Alpha-Bisabolol Derivatives Through a Synthetic Biology Approach Arthur Sarrade-Loucheur
    Biosynthesis of new alpha-bisabolol derivatives through a synthetic biology approach Arthur Sarrade-Loucheur To cite this version: Arthur Sarrade-Loucheur. Biosynthesis of new alpha-bisabolol derivatives through a synthetic biology approach. Biochemistry, Molecular Biology. INSA de Toulouse, 2020. English. NNT : 2020ISAT0003. tel-02976811 HAL Id: tel-02976811 https://tel.archives-ouvertes.fr/tel-02976811 Submitted on 23 Oct 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. THÈSE En vue de l’obtention du DOCTORAT DE L’UNIVERSITÉ DE TOULOUSE Délivré par l'Institut National des Sciences Appliquées de Toulouse Présentée et soutenue par Arthur SARRADE-LOUCHEUR Le 30 juin 2020 Biosynthèse de nouveaux dérivés de l'α-bisabolol par une approche de biologie synthèse Ecole doctorale : SEVAB - Sciences Ecologiques, Vétérinaires, Agronomiques et Bioingenieries Spécialité : Ingénieries microbienne et enzymatique Unité de recherche : TBI - Toulouse Biotechnology Institute, Bio & Chemical Engineering Thèse dirigée par Gilles TRUAN et Magali REMAUD-SIMEON Jury
    [Show full text]
  • Direct Regulation of Phytoene Synthase Gene Expression and Carotenoid Biosynthesis by Phytochrome-Interacting Factors
    Direct regulation of phytoene synthase gene expression and carotenoid biosynthesis by phytochrome-interacting factors Gabriela Toledo-Ortiza, Enamul Huqb, and Manuel Rodríguez-Concepcióna,1 aCentre for Research in Agricultural Genomics, CSIC-IRTA-UAB, 08034 Barcelona, Spain; and bSection of Molecular Cell and Developmental Biology and Institute for Cellular and Molecular Biology, University of Texas, Austin, TX 78712 Edited* by Peter H. Quail, University of California, Albany, CA, and approved May 14, 2010 (received for review December 15, 2009) Carotenoids are key for plants to optimize carbon fixing using the known about the specific factors involved in this coordinated energy of sunlight. They contribute to light harvesting but also control, however. channel energy away from chlorophylls to protect the photosyn- Although the main pathway for carotenoid biosynthesis in plants thetic apparatus from excess light. Phytochrome-mediated light has been elucidated (9, 10), we still lack fundamental knowledge of signals are major cues regulating carotenoid biosynthesis in plants, the regulation of carotenogenesis in plant cells (11). In fact, to date but we still lack fundamental knowledge on the components of this no regulatory genes directly controlling carotenoid biosynthetic signaling pathway. Here we show that phytochrome-interacting gene expression have been isolated. Nonetheless, it is known that factor 1 (PIF1) and other transcription factors of the phytochrome- a major driving force for carotenoid production in different plant interacting factor (PIF) family down-regulate the accumulation of species is the transcriptional regulation of genes encoding phy- carotenoids by specifically repressing the gene encoding phytoene toene synthase (PSY), the first and main rate-determining enzyme synthase (PSY), the main rate-determining enzyme of the pathway.
    [Show full text]
  • Compensation Mechanisms for Altered Membrane Sterol Compositions in the Yeast: Saccharomyces Cerevisiae
    Syracuse University SURFACE Syracuse University Honors Program Capstone Syracuse University Honors Program Capstone Projects Projects Spring 5-1-2007 Compensation Mechanisms for Altered Membrane Sterol Compositions in the Yeast: Saccharomyces cerevisiae David M. DeWolfe Follow this and additional works at: https://surface.syr.edu/honors_capstone Part of the Biochemistry Commons Recommended Citation DeWolfe, David M., "Compensation Mechanisms for Altered Membrane Sterol Compositions in the Yeast: Saccharomyces cerevisiae" (2007). Syracuse University Honors Program Capstone Projects. 566. https://surface.syr.edu/honors_capstone/566 This Honors Capstone Project is brought to you for free and open access by the Syracuse University Honors Program Capstone Projects at SURFACE. It has been accepted for inclusion in Syracuse University Honors Program Capstone Projects by an authorized administrator of SURFACE. For more information, please contact [email protected]. Compensation Mechanisms for Altered Membrane Sterol Compositions in the Yeast: Saccharomyces cerevisiae David M. DeWolfe Candidate for B.S. Degree in Biochemistry with Honors May 2007 Approved Thesis Project Advisor:______________________ Dr. Scott Erdman Honors Reader:____________________________ Dr. John Belote Honors Director:___________________________ Samuel Gorovitz Honors Representative:______________________ Date:__________________ Abstract Cell membranes are composed of several different lipid and sterol products. Among these are, chiefly, phospholipids, glycolipids, sphingolipids, various proteins posttranslationally modified to carry lipids and sterols. The sterol that is prevalent in fungi, including yeast, is ergosterol. It plays the same physiological role as cholesterol in mammalian cells. That is, mainly, to control membrane fluidity. Membranes in general are extremely important to the normal functioning of any cell and its sub- cellular compartments. The primary factor in the normal functioning of a membrane is the relative composition of the previously mentioned components.
    [Show full text]
  • Multiplicity of Carotene Patterns Derives from Competition Between
    www.nature.com/scientificreports OPEN Multiplicity of carotene patterns derives from competition between phytoene desaturase diversifcation and biological environments Mathieu Fournié1,2,3 & Gilles Truan1* Phytoene desaturases catalyse from two to six desaturation reactions on phytoene, generating a large diversity of molecules that can then be cyclised and produce, depending on the organism, many diferent carotenoids. We constructed a phylogenetic tree of a subset of phytoene desaturases from the CrtI family for which functional data was available. We expressed in a bacterial system eight codon optimized CrtI enzymes from diferent clades. Analysis of the phytoene desaturation reactions on crude extracts showed that three CrtI enzymes can catalyse up to six desaturations, forming tetradehydrolycopene. Kinetic data generated using a subset of fve purifed enzymes demonstrate the existence of characteristic patterns of desaturated molecules associated with various CrtI clades. The kinetic data was also analysed using a classical Michaelis–Menten kinetic model, showing that variations in the reaction rates and binding constants could explain the various carotene patterns observed. Competition between lycopene cyclase and the phytoene desaturases modifed the distribution between carotene intermediates when expressed in yeast in the context of the full β-carotene production pathway. Our results demonstrate that the desaturation patterns of carotene molecules in various biological environments cannot be fully inferred from phytoene desaturases classifcation but is governed both by evolutionary-linked variations in the desaturation rates and competition between desaturation and cyclisation steps. Carotenoids are organic pigments produced by plants, algae, fungi, and bacteria and can be subdivided into two families of molecules, carotenes and their oxidised counterparts, xanthophylls 1.
    [Show full text]
  • Chemical Inhibition of Lycopene Β-Cyclases Unmask Operation of Phytoene Synthase 2 in 4 Ripening Tomato Fruits
    bioRxiv preprint doi: https://doi.org/10.1101/2021.07.19.452896; this version posted July 22, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. 1 Rameshwar Sharma (orcid.org/0000-0002-8775-8986) 2 Yellamaraju Sreelakshmi (orcid.org/0000-0003-3468-9136) 3 Chemical inhibition of lycopene β-cyclases unmask operation of phytoene synthase 2 in 4 ripening tomato fruits 5 Prateek Gupta1, Marta Rodriguez‐Franco2, Reddaiah Bodanapu1,#, Yellamaraju Sreelakshmi1*, 6 and Rameshwar Sharma1* 7 1Repository of Tomato Genomics Resources, Department of Plant Sciences, University of 8 Hyderabad, Hyderabad-500046, India 9 2Department of Cell Biology, Faculty of Biology, University of Freiburg, Freiburg D‐79104, 10 Germany 11 *Corresponding authors: [email protected], [email protected] 12 Short title: Role of PSY2 in tomato fruit carotenogenesis. 13 *Author for Correspondence 14 # Deceased 15 E-mails authors: [email protected] (PG), [email protected] 16 freiburg.de (MR), [email protected] (YS), [email protected] (RS) 17 Date of Submission: July 2021 18 Tables: Nil. 19 Figures: Six. 20 Supplementary figures: Nine. 21 Supplementary tables: Two. 22 Word count: 5602. 23 Highlight: 24 In tomato phytoene synthase 1 mutant fruit, which is bereft of lycopene, the chemical 25 inhibition of lycopene β-cyclases triggers lycopene accumulation. Above lycopene is likely 26 derived from phytoene synthase 2, which is hitherto presumed to be idle in tomato fruits.
    [Show full text]
  • ERG11) Gene of Moniliophthora Perniciosa
    Genetics and Molecular Biology, 37, 4, 683-693 (2014) Copyright © 2014, Sociedade Brasileira de Genética. Printed in Brazil www.sbg.org.br Research Article Analysis of the ergosterol biosynthesis pathway cloning, molecular characterization and phylogeny of lanosterol 14 a-demethylase (ERG11) gene of Moniliophthora perniciosa Geruza de Oliveira Ceita1,4, Laurival Antônio Vilas-Boas2, Marcelo Santos Castilho3, Marcelo Falsarella Carazzolle5, Carlos Priminho Pirovani6, Alessandra Selbach-Schnadelbach4, Karina Peres Gramacho7, Pablo Ivan Pereira Ramos4, Luciana Veiga Barbosa4, Gonçalo Amarante Guimarães Pereira5 and Aristóteles Góes-Neto1 1Laboratório de Pesquisa em Microbiologia, Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brazil. 2Centro de Ciências Biológicas, Departamento de Biologia Geral, Universidade Estadual de Londrina, Londrina, PR, Brazil. 3Laboratório de Bioinformática e Modelagem Molecular, Departamento do Medicamento, Faculdade de Farmácia, Universidade Federal da Bahia, Salvador, BA, Brazil. 4Laboratório de Biologia Molecular, Instituto de Biologia, Departamento de Biologia Geral, Universidade Federal da Bahia, Salvador, BA, Brazil. 5Laboratório de Genômica e Proteômica, Departamento de Genética e Evolução, Universidade Estadual de Campinas, Campinas, SP, Brazil. 6Centro de Biotecnologia e Genética, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil. 7Laboratório de Fitopatologia Molecular, Centro de Pesquisas do Cacau, Ilhéus, BA, Brazil. Abstract The phytopathogenic fungus Moniliophthora perniciosa (Stahel) Aime & Philips-Mora, causal agent of witches’ broom disease of cocoa, causes countless damage to cocoa production in Brazil. Molecular studies have attempted to identify genes that play important roles in fungal survival and virulence. In this study, sequences deposited in the M. perniciosa Genome Sequencing Project database were analyzed to identify potential biological targets.
    [Show full text]
  • Characterization of the Cytochrome P450 Monooxygenase Genes (P450ome) from the Carotenogenic Yeast Xanthophyllomyces Dendrorhous
    Córdova et al. BMC Genomics (2017) 18:540 DOI 10.1186/s12864-017-3942-9 RESEARCH ARTICLE Open Access Characterization of the cytochrome P450 monooxygenase genes (P450ome) from the carotenogenic yeast Xanthophyllomyces dendrorhous Pamela Córdova1, Ana-María Gonzalez1, David R. Nelson2, María-Soledad Gutiérrez1, Marcelo Baeza1, Víctor Cifuentes1 and Jennifer Alcaíno1* Abstract Background: The cytochromes P450 (P450s) are a large superfamily of heme-containing monooxygenases involved in the oxidative metabolism of an enormous diversity of substrates. These enzymes require electrons for their activity, and the electrons are supplied by NAD(P)H through a P450 electron donor system, which is generally a cytochrome P450 reductase (CPR). The yeast Xanthophyllomyces dendrorhous has evolved an exclusive P450-CPR system that specializes in the synthesis of astaxanthin, a carotenoid with commercial potential. For this reason, the aim of this work was to identify and characterize other potential P450 genes in the genome of this yeast using a bioinformatic approach. Results: Thirteen potential P450-encoding genes were identified, and the analysis of their deduced proteins allowed them to be classified in ten different families: CYP51, CYP61, CYP5139 (with three members), CYP549A, CYP5491, CYP5492 (with two members), CYP5493, CYP53, CYP5494 and CYP5495. Structural analyses of the X. dendrorhous P450 proteins showed that all of them have a predicted transmembrane region at their N-terminus and have the conserved domains characteristic of the P450s, including the heme-binding region (FxxGxRxCxG); the PER domain, with the characteristic signature for fungi (PxRW); the ExxR motif in the K-helix region and the oxygen- binding domain (OBD) (AGxDTT); also, the characteristic secondary structure elements of all the P450 proteins were identified.
    [Show full text]
  • A Combined Growth Factor-Deleted and Thymidine Kinase-Deleted Vaccinia Virus Vector
    (19) & (11) EP 2 325 321 A1 (12) EUROPEAN PATENT APPLICATION (43) Date of publication: (51) Int Cl.: 25.05.2011 Bulletin 2011/21 C12N 15/863 (2006.01) A61K 48/00 (2006.01) (21) Application number: 10179286.9 (22) Date of filing: 26.05.2000 (84) Designated Contracting States: • Bartlett, David L. AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU Darnestown, MD 20878 (US) MC NL PT SE • Moss, Bernard Bethesda, MD 20814 (US) (30) Priority: 28.05.1999 US 137126 P (74) Representative: Donald, Jenny Susan (62) Document number(s) of the earlier application(s) in Forrester & Boehmert accordance with Art. 76 EPC: Pettenkoferstrasse 20-22 00939374.5 / 1 180 157 80336 München (DE) (71) Applicant: THE GOVERNMENT OF THE UNITED Remarks: STATES OF AMERICA as •This application was filed on 24-09-2010 as a represented by the SECRETARY OF THE divisional application to the application mentioned DEPARTMENT OF under INID code 62. HEALTH AND HUMAN SERVICES •Claims filed after the date of filing of the application Rockville, MD 20852 (US) / after the date of receipt of the divisional appliaction (Rule 68(4) EPC). (72) Inventors: • McCart, Andrea J. Silver Springs, MD 20910 (US) (54) A combined growth factor-deleted and thymidine kinase-deleted vaccinia virus vector (57) A composition of matter comprising a vaccinia virus expression vector with a negative thymidine kinase phe- notype and a negative vaccinia virus growth factor phenotype. EP 2 325 321 A1 Printed by Jouve, 75001 PARIS (FR) EP 2 325 321 A1 Description Background of the Invention 5 Field of the Invention [0001] The present invention relates to mutant vaccinia virus expression vectors The mutant expression vectors of the present invention show substantially no virus replication in non dividing cells and as such are superior to previous vaccinia virus expression vectors.
    [Show full text]