SG11202111208RA - Using synthetic lixiviant biology for the recovery of precious and toxic metals from anthropogenic sources - Google Patents

Using synthetic lixiviant biology for the recovery of precious and toxic metals from anthropogenic sources

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Publication number
SG11202111208RA
SG11202111208RA SG11202111208RA SG11202111208RA SG11202111208RA SG 11202111208R A SG11202111208R A SG 11202111208RA SG 11202111208R A SG11202111208R A SG 11202111208RA SG 11202111208R A SG11202111208R A SG 11202111208RA SG 11202111208R A SG11202111208R A SG 11202111208RA
Authority
SG
Singapore
Prior art keywords
lixiviant
precious
biology
recovery
synthetic
Prior art date
Application number
SG11202111208RA
Inventor
Wen Shan Yew
Maybelle Darlene Kho Go
Lu Ting Liow
Rashmi Rajasabhai
Original Assignee
Nat Univ Singapore
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nat Univ Singapore filed Critical Nat Univ Singapore
Publication of SG11202111208RA publication Critical patent/SG11202111208RA/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/08Obtaining noble metals by cyaniding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/06Lysis of microorganisms
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/10Processes for the isolation, preparation or purification of DNA or RNA
    • C12N15/102Mutagenizing nucleic acids
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/52Genes encoding for enzymes or proenzymes
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/70Vectors or expression systems specially adapted for E. coli
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    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/74Vectors or expression systems specially adapted for prokaryotic hosts other than E. coli, e.g. Lactobacillus, Micromonospora
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/87Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation
    • C12N15/90Stable introduction of foreign DNA into chromosome
    • C12N15/902Stable introduction of foreign DNA into chromosome using homologous recombination
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    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/0004Oxidoreductases (1.)
    • C12N9/0006Oxidoreductases (1.) acting on CH-OH groups as donors (1.1)
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    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/0004Oxidoreductases (1.)
    • C12N9/0012Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7)
    • C12N9/0014Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7) acting on the CH-NH2 group of donors (1.4)
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    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/0004Oxidoreductases (1.)
    • C12N9/0091Oxidoreductases (1.) oxidizing metal ions (1.16)
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    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14Hydrolases (3)
    • C12N9/16Hydrolases (3) acting on ester bonds (3.1)
    • C12N9/22Ribonucleases RNAses, DNAses
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    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14Hydrolases (3)
    • C12N9/78Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5)
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    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00Preparation of nitrogen-containing organic compounds
    • C12P13/002Nitriles (-CN)
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    • C12P3/00Preparation of elements or inorganic compounds except carbon dioxide
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    • C12YENZYMES
    • C12Y101/00Oxidoreductases acting on the CH-OH group of donors (1.1)
    • C12Y101/01Oxidoreductases acting on the CH-OH group of donors (1.1) with NAD+ or NADP+ as acceptor (1.1.1)
    • C12Y101/01095Phosphoglycerate dehydrogenase (1.1.1.95)
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    • C12YENZYMES
    • C12Y104/00Oxidoreductases acting on the CH-NH2 group of donors (1.4)
    • C12Y104/99Oxidoreductases acting on the CH-NH2 group of donors (1.4) with other acceptors (1.4.99)
    • C12Y104/99005Glycine dehydrogenase (cyanide-forming) (1.4.99.5)
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12YENZYMES
    • C12Y116/00Oxidoreductases oxidizing metal ions (1.16)
    • C12Y116/01Oxidoreductases oxidizing metal ions (1.16) with NAD+ or NADP+ as acceptor (1.16.1)
    • C12Y116/01001Mercury(II) reductase (1.16.1.1)
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12YENZYMES
    • C12Y305/00Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5)
    • C12Y305/05Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) in nitriles (3.5.5)
    • C12Y305/05001Nitrilase (3.5.5.1)
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/18Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
    • CCHEMISTRY; METALLURGY
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    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/10Type of nucleic acid
    • C12N2310/20Type of nucleic acid involving clustered regularly interspaced short palindromic repeats [CRISPRs]
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    • C12N2800/00Nucleic acids vectors
    • C12N2800/80Vectors containing sites for inducing double-stranded breaks, e.g. meganuclease restriction sites
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Chemical & Material Sciences (AREA)
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  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Medicinal Chemistry (AREA)
  • Plant Pathology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mycology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Virology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Removal Of Specific Substances (AREA)
SG11202111208RA 2019-04-08 2020-04-08 Using synthetic lixiviant biology for the recovery of precious and toxic metals from anthropogenic sources SG11202111208RA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG10201903117U 2019-04-08
SG10201904705X 2019-05-24
PCT/SG2020/050216 WO2020209797A2 (en) 2019-04-08 2020-04-08 Using synthetic lixiviant biology for the recovery of precious and toxic metals from anthropogenic sources

Publications (1)

Publication Number Publication Date
SG11202111208RA true SG11202111208RA (en) 2021-11-29

Family

ID=72752216

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202111208RA SG11202111208RA (en) 2019-04-08 2020-04-08 Using synthetic lixiviant biology for the recovery of precious and toxic metals from anthropogenic sources

Country Status (6)

Country Link
US (1) US20220205062A1 (en)
EP (1) EP3953448A4 (en)
JP (1) JP2022529239A (en)
CN (1) CN114302954B (en)
SG (1) SG11202111208RA (en)
WO (1) WO2020209797A2 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5965796A (en) * 1995-04-21 1999-10-12 University Of Georgia Research Foundation Inc. Metal resistance sequences and transgenic plants
ZA200708340B (en) * 2006-10-27 2008-10-29 Biosigma Sa Process to increase the bioleaching speed of ores or concentrates of sulfide metal species, by means of continuous inoculation with leaching solution that contains isolated microorganisms, with or without the presence of native microorganisms
CN102924602B (en) * 2011-08-08 2015-06-17 深圳市艾派格生物技术有限公司 Gold ion adsorption protein and method for enriching and recovering gold ion
CN102796714B (en) * 2012-01-18 2014-06-25 上海交通大学 Phosphotriesterase mutant as well as preparation method and application thereof
WO2015066411A1 (en) * 2013-10-31 2015-05-07 The American University In Cairo Novel mercuric reductase and uses thereof

Also Published As

Publication number Publication date
WO2020209797A3 (en) 2020-11-12
WO2020209797A2 (en) 2020-10-15
EP3953448A4 (en) 2023-03-29
WO2020209797A8 (en) 2023-09-28
CN114302954B (en) 2024-10-25
EP3953448A2 (en) 2022-02-16
US20220205062A1 (en) 2022-06-30
JP2022529239A (en) 2022-06-20
CN114302954A (en) 2022-04-08

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