WO2015003679A1 - Verfahren zur biosynthese von spezifisch isotopenmarkierten sekundärmetaboliten - Google Patents
Verfahren zur biosynthese von spezifisch isotopenmarkierten sekundärmetaboliten Download PDFInfo
- Publication number
- WO2015003679A1 WO2015003679A1 PCT/DE2014/000343 DE2014000343W WO2015003679A1 WO 2015003679 A1 WO2015003679 A1 WO 2015003679A1 DE 2014000343 W DE2014000343 W DE 2014000343W WO 2015003679 A1 WO2015003679 A1 WO 2015003679A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amino acids
- labeled
- isotope
- secondary metabolites
- methionine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/001—Amines; Imines
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P1/00—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes
- C12P1/02—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes by using fungi
Definitions
- Phytopathogenic fungi not only cause direct crop losses in agriculture, but also often contaminate agricultural products with mycotoxins. These biologically active substances, including acutely toxic, teratogenic and carcinogenic, pose a constant threat to the health of consumers and livestock. For their protection, the exact quantitative assessment of mycotoxins is therefore enormous
- Reference substances are hereby used isotopically labeled secondary metabolites, which differ in the same chemical properties based on their altered mass of the target analytes. Reference substances are essential aids in the analysis of sample materials. Only through them, the identity and content of the proven substance can be detected.
- isotope-labeled secondary metabolites are produced by the addition of labeled glucose or labeled nitrogen or sulfur salts to the culture medium (see patent WO 2006105563). In doing so may
- the previously used method for total marking is very complicated and expensive.
- a key cost factor is the isotope-labeled precursors, which must be fully labeled (eg, glucose 13 C6).
- genetic engineering methods in the genome of bacterial or fungal secondary metabolite produce genes of the
- auxotrophic Molecular structure of secondary metabolites are integrated. Due to this genetic modification, the organisms are no longer able to survive z.T. produce essential amino acids or their precursors, which is why they are referred to as auxotrophic. Either
- auxotrophic mutants By adding these amino acids or donors in isotopically labeled form into the culture medium, the auxotrophic mutants exclusively form target molecules with completely labeled functional groups or atoms in the metabolism of the respective organisms.
- the inventive method of directed incorporation of isotope-labeled functional groups of amino acids or complete amino acids or fragments thereof into secondary metabolites is characterized by a combination of molecular genetic and biotechnological methods.
- the use of isotope-labeled substances is much more targeted than in the currently used method.
- Through the use of specific intermediates or precursors are the metabolism physiological
- the substances that can be produced with this process are precisely defined markings and a very high incorporation rate
- Fumonisins contain two methyl groups (see marker Abbl.), which are transferred during the biosynthesis of S-adenosyl-methionine (SAM) on fumonisin.
- SAM is generated in a one-step enzyme reaction, catalyzed by methionine adenosyl transferase, directly from the amino acid methionine.
- a key enzyme in methionine synthesis is 5-methyltetrahydropteroyl triglutamate homocysteine methyltransferase ( Figure 2).
- Targeted genetic manipulation (see experimental procedure) in Fusarium verticillioides has deleted the gene for homocysteine methyltransferase.
- the method according to the invention comprises the following method steps
- the native gene is replaced by the antibiotic resistance marker (see Fig. 3).
- Transformants in which the gene for the homocysteine methyltransferase has been successfully deleted can be reduced to minimal medium without added
- Methionine does not grow. However, on methionine-supplemented medium the deletion mutants reach similar growth rates as the wild type (see Fig. 4). The growth experiment shows that the function of the
- Homocysteine methyltransferase in the deletion mutants can not be complemented by other enzymes. Conidia of the mef mutants sprout only on methionine-supplemented medium, indicating the need for de novo synthesis of methionine for the growth of F. verticillioides. This fulfills important prerequisites for the biosynthesis of labeled fumonisins of high purity.
- the data from the mass spectrometric analysis confirm the expected mass shift for fumonisin of m + 6 with addition of D3-methyl-methionine or m + 2 with the addition of 13 C-methyl-methionine (see Fig. 5). In addition, the percentage of unlabelled and labeled fumonisin clearly indicates that product purity actually depends only on the purity of the labeled precursors, ie donor of the two methyl groups of the
- Deletion mutants are exclusively added methionine (see Table 1).
- the two methyl groups are derived from methionine or S-adenosyl-methionine (SAM) and are transferred from a methyltransferase to the fumonisin core.
- SAM S-adenosyl-methionine
- This strategy can be used to produce secondary metabolites with methyl groups derived from SAM and methionine, respectively.
- the procedure described opens up the possibility for
- Culture medium can, in a manner analogous to the method according to the invention, specifically mark a large number of natural substances.
- FIG. 2 SAM synthesis; modified according to Thomas and Surdin-Kerjan (1997), Microbiol. Mol. Biol. Rev. 61 (1997): 503-532.
- FIG. 3A DJ-PCR for generating gene-specific deletion constructs
- FIG. 3B Transformation of F. verticillioides and deletion of the homocysteine methyltransferase gene by homologous recombination
- FIG. 4 phenotype of the met mutant; Mycelium growth of the F. verticillioides wild type and a methionine auxotrophic (met " ) mutant
- Figure 5 LC-MS analysis of the crude extracts of F. iert / c / 7 // o / des-liquid cultures without labeled methionine (A), with deuterium-labeled methionine (B) and with 13C-labeled methionine (C).
- FIG. 6 Quantification of fumonisin B1 from F.I.t / ' c / 7 // o / des-liquid cultures without labeled methionine (samples 1 and 2), with deuterium-labeled Methionine (samples 3 and 4) and 13C-labeled methionine (samples 5 and 6).
- Deletion mutants are due to the purity of the added isotope-labeled methionine (13C-methyl-methionine 99%, D3-methyl-methionine 98%).
- BN5WT wild-type strain
- ⁇ 5 ⁇ met " mutant
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Mycology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112014003192.5T DE112014003192A5 (de) | 2013-07-11 | 2014-07-04 | Verfahren zur Biosynthese von spezifisch isotopenmarkierten Sekundärmetaboliten |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013011509.4 | 2013-07-11 | ||
| DE102013011509.4A DE102013011509A1 (de) | 2013-07-11 | 2013-07-11 | Verfahren zur Biosynthese von spezifisch isotopenmarkierten Sekundermetaboliten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015003679A1 true WO2015003679A1 (de) | 2015-01-15 |
Family
ID=51454500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2014/000343 Ceased WO2015003679A1 (de) | 2013-07-11 | 2014-07-04 | Verfahren zur biosynthese von spezifisch isotopenmarkierten sekundärmetaboliten |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE102013011509A1 (de) |
| WO (1) | WO2015003679A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865200A (zh) * | 2017-11-22 | 2018-04-03 | 湖南农业大学 | 一种脱除辣木籽粕中硫代葡萄糖苷的方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006105563A2 (de) | 2005-04-05 | 2006-10-12 | Erber Aktiengesellschaft | Herstellung von hochgradig isotopenmarkierten, sekundären, mikrobiellen stoffwechselprodukten sowie stoffwechselprodukte |
-
2013
- 2013-07-11 DE DE102013011509.4A patent/DE102013011509A1/de not_active Withdrawn
-
2014
- 2014-07-04 DE DE112014003192.5T patent/DE112014003192A5/de not_active Withdrawn
- 2014-07-04 WO PCT/DE2014/000343 patent/WO2015003679A1/de not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006105563A2 (de) | 2005-04-05 | 2006-10-12 | Erber Aktiengesellschaft | Herstellung von hochgradig isotopenmarkierten, sekundären, mikrobiellen stoffwechselprodukten sowie stoffwechselprodukte |
Non-Patent Citations (11)
| Title |
|---|
| GLENN ET AL., MOLECULAR PLANT-MICROBE INTERACTIONS, vol. 21, 2008, pages 87 - 97 |
| HANZELKA B L ET AL: "QUORUM SENSING IN VIBRIO FISCHERI: EVIDENCE THAT S-ADENOSYLMETHIONINE IS THE AMINO ACID SUBSTRATE FOR AUTOINDUCER SYNTHESIS", JOURNAL OF BACTERIOLOGY, AMERICAN SOCIETY FOR MICROBIOLOGY, US, vol. 178, no. 17, 1 September 1996 (1996-09-01), pages 5291 - 5294, XP000857480, ISSN: 0021-9193 * |
| J. D. MOUGOUS ET AL: "Discovery of sulfated metabolites in mycobacteria with a genetic and mass spectrometric approach", PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES, vol. 99, no. 26, 24 December 2002 (2002-12-24), pages 17037 - 17042, XP055153792, ISSN: 0027-8424, DOI: 10.1073/pnas.252514899 * |
| KEVIN D. BARROW ET AL: "Biosynthesis of the neurotoxin alkaloid roquefortine", JOURNAL OF THE CHEMICAL SOCIETY, CHEMICAL COMMUNICATIONS, no. 5, 1 January 1979 (1979-01-01), pages 225, XP055153786, ISSN: 0022-4936, DOI: 10.1039/c39790000225 * |
| LUKACS ET AL., CHROMATOGRAPHIA, vol. 43, no. 3,4, 1996 |
| M. T. LIN ET AL: "Exploring by Pulsed EPR the Electronic Structure of Ubisemiquinone Bound at the QH Site of Cytochrome bo3 from Escherichia coli with in Vivo 13C-Labeled Methyl and Methoxy Substituents", JOURNAL OF BIOLOGICAL CHEMISTRY, vol. 286, no. 12, 25 March 2011 (2011-03-25), pages 10105 - 10114, XP055153610, ISSN: 0021-9258, DOI: 10.1074/jbc.M110.206821 * |
| MARIAN N BEREMAND ET AL: "Leucine Auxotrophy Specifically Alters the Pattern of Trichothecene Production in a T-2 Toxin-Producing Strain of Fusarium sporotrichioides", APPLIED AND ENVIRONMENTAL MICROBIOLOGY, vol. 54, no. 11, 1 November 1988 (1988-11-01), pages 2759 - 2766, XP055153806 * |
| P M SCOTT ET AL: "Roquefortine and isofumigaclavine A, metabolites from Penicillium roqueforti", EXPERIENTIA, vol. 32, no. 2, 15 February 1976 (1976-02-15), pages 140, XP055153878, ISSN: 0014-4754, DOI: 10.1007/BF01937728 * |
| THOMAS; SURDIN-KERJAN, MICROBIOL. MOL. BIOL. REV., vol. 61, 1997, pages 503 - 532 |
| YU ET AL., FUNGAL GENETICS AND BIOLOGY, vol. 41, 2004, pages 973 - 981 |
| Z LUKACS ET AL: "Identification and Determination of Fumonisin FBI and FB2 in Corn and Corn Products by High-Performance Liquid Chromatography-Electrospray-lonization Tandem Mass Spectrometry (HPLC-ESI-MS-MS)", CHROMATOGRAPHIA, vol. 43, no. 3-4, 1 August 1996 (1996-08-01), pages 124 - 128, XP055153923, ISSN: 0009-5893, DOI: 10.1007/BF02292939 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013011509A1 (de) | 2015-01-15 |
| DE112014003192A5 (de) | 2016-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Walker et al. | Exceptional solvent tolerance in Yarrowia lipolytica is enhanced by sterols | |
| Apostel et al. | Biochemical pathways of amino acids in soil: assessment by position-specific labeling and 13C-PLFA analysis | |
| Renault et al. | A phenol-enriched cuticle is ancestral to lignin evolution in land plants | |
| Gunina et al. | Fate of low molecular weight organic substances in an arable soil: from microbial uptake to utilisation and stabilisation | |
| Davey et al. | Triacylglyceride production and autophagous responses in Chlamydomonas reinhardtii depend on resource allocation and carbon source | |
| EP3169775B1 (de) | Biotechnologische herstellung von lnt, lnnt und deren fucosylierten derivaten | |
| Woodall et al. | Enterococcus faecalis readily adapts membrane phospholipid composition to environmental and genetic perturbation | |
| Xia et al. | Multi-functional desaturases in two Spodoptera moths with∆ 11 and∆ 12 desaturation activities | |
| DE102015103608A1 (de) | Verfahren zur mikrobiellen de novo Synthese von Terpenen | |
| An et al. | Biotransformation of food spice curcumin by gut bacterium Bacillus megaterium DCMB-002 and its pharmacological implications | |
| Dodd et al. | Streptomyces albulus yields ε-poly-l-lysine and other products from salt-contaminated glycerol waste | |
| Vallejo et al. | Herbicide glufosinate inhibits yeast growth and extends longevity during wine fermentation | |
| Qiu et al. | Aerobic composting of chicken manure with amoxicillin: alpha diversity is closely related to lipid metabolism, and two-component systems mediating their relationship | |
| Liu et al. | Improving cellular protein content of Saccharomyces cerevisiae based on adaptive evolution and flow cytometry-aided high throughput screening | |
| Dungait et al. | Tracking the fate of dung-derived carbohydrates in a temperate grassland soil using compound-specific stable isotope analysis | |
| Becker et al. | Import and export of mannosylerythritol lipids by Ustilago maydis | |
| Bordet et al. | Impact of Saccharomyces cerevisiae yeast inoculation mode on wine composition | |
| Yang et al. | Comprehensive genomic and metabolomic analysis revealed the physiological characteristics and pickle like odor compounds metabolic pathways of Bacillus amyloliquefaciens ZZ7 isolated from fermented grains of Maotai-flavor baijiu | |
| WO2015003679A1 (de) | Verfahren zur biosynthese von spezifisch isotopenmarkierten sekundärmetaboliten | |
| DE112012002557T5 (de) | Stammverbesserung und Prozessoptimierung in gemischter zweistufiger Fermentation für die Herstellung von Vitamin C | |
| Swietalski et al. | Orotic acid production by Yarrowia lipolytica under conditions of limited pyrimidine | |
| Devers et al. | A processive glycosyltransferase involved in glycolipid synthesis during phosphate deprivation in Mesorhizobium loti | |
| Liebergesell et al. | Linking biosynthetic genes to natural products using inverse stable isotopic labeling (InverSIL) | |
| Borges et al. | Enantioselective analysis of propranolol and 4‐hydroxypropranolol by CE with application to biotransformation studies employing endophytic fungi | |
| DE102010023749A1 (de) | Zelle und Verfahren zur Herstellung von Resveratrol |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14758277 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 112014003192 Country of ref document: DE |
|
| REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112014003192 Country of ref document: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 14758277 Country of ref document: EP Kind code of ref document: A1 |