GB1528011A - Continuous culture of micro-organisms - Google Patents
Continuous culture of micro-organismsInfo
- Publication number
- GB1528011A GB1528011A GB5747/75A GB574775A GB1528011A GB 1528011 A GB1528011 A GB 1528011A GB 5747/75 A GB5747/75 A GB 5747/75A GB 574775 A GB574775 A GB 574775A GB 1528011 A GB1528011 A GB 1528011A
- Authority
- GB
- United Kingdom
- Prior art keywords
- organisms
- micro
- hydrocarbon
- methanol
- growth medium
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, 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
- C12N1/32—Processes using, or culture media containing, lower alkanols, i.e. C1 to C6
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, 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
- C12N1/26—Processes using, or culture media containing, hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Virology (AREA)
- Microbiology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
1528011 Continuous cultivation of bacteria &c on methanol &c SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 9 Feb 1976 [11 Feb 1975] 5747/75 Heading C6F In a process for the production of microorganisms involving continuously cultivating one or more hydrocarbon or oxygenated hydrocarbon utilizing micro-organisms under aerobic conditions in a liquid growth medium comprising assimilable sources of nitrogen and essential mineral salts in the presence of a hydrocarbon or oxygenated hydrocarbon, withdrawing from the growing culture, liquid growth medium containing micron organisms, separating micro-organisms from the withdrawn liquid growth medium and recycling at least part of the withdrawn liquid growth medium to the growing culture, the withdrawn liquid growth medium is chilled to a temperature in the range of -5 to +20C prior to, or during, the separation of the micro-organisms. It is stated that any buildup of growth-inhibiting material during the separation stage is avoided and contamination of the separation and recycle lines by undesirable anaerobic micro-organisms is discouraged as a result of the chilling. The hydrocarbon or oxygenated hydrocarbon may for example be natural gas, methane or methanol. The Examples relate to the continuous cultivation of a mixed culture of microorganisms comprising a methanol-utilizing bacterium and four non-methanol utilizing bacteria in methanolic culture medium, with recycle of the culture medium and recovery of the micro-organisms produced. The cultivation temperature was 40 or 42C and the chilling temperature 0C. Growth inhibition was encountered when recycling took place without the chilling according to the invention.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5747/75A GB1528011A (en) | 1975-02-11 | 1975-02-11 | Continuous culture of micro-organisms |
CA243,112A CA1059049A (en) | 1975-02-11 | 1976-01-07 | Cultivation of micro-organisms on hydrocarbon medium |
BE1007186A BE838312A (en) | 1975-02-11 | 1976-02-06 | PROCESS FOR PREPARING MICRO-ORGANISMS |
IT19993/76A IT1055875B (en) | 1975-02-11 | 1976-02-09 | PRACESS FOR THE PRODUCTION OF MICROORGANISMS |
NO760414A NO760414L (en) | 1975-02-11 | 1976-02-09 | |
FR7603439A FR2300803A1 (en) | 1975-02-11 | 1976-02-09 | PROCESS FOR THE PRODUCTION OF MICRO-ORGANISMS |
DE19762604993 DE2604993A1 (en) | 1975-02-11 | 1976-02-09 | METHOD OF BREEDING MICRO-ORGANISMS |
IE251/76A IE42634B1 (en) | 1975-02-11 | 1976-02-09 | Improvements in and relating to the continuous culture of micro-organisms |
NL7601314A NL7601314A (en) | 1975-02-11 | 1976-02-10 | PROCESS FOR PREPARING MICRO-ORGANISMS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5747/75A GB1528011A (en) | 1975-02-11 | 1975-02-11 | Continuous culture of micro-organisms |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1528011A true GB1528011A (en) | 1978-10-11 |
Family
ID=9801902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5747/75A Expired GB1528011A (en) | 1975-02-11 | 1975-02-11 | Continuous culture of micro-organisms |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE838312A (en) |
CA (1) | CA1059049A (en) |
DE (1) | DE2604993A1 (en) |
FR (1) | FR2300803A1 (en) |
GB (1) | GB1528011A (en) |
IE (1) | IE42634B1 (en) |
IT (1) | IT1055875B (en) |
NL (1) | NL7601314A (en) |
NO (1) | NO760414L (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492403A1 (en) * | 1980-10-20 | 1982-04-23 | Bel Fromageries | PROCESS FOR THE CULTURE OF MICROORGANISMS, PARTICULARLY YEAST, ON WHEY WITH A ASSOCIATION OF WELL-SELECTED STRAINS AND STRAIN-SPECIFIC MUTANTS |
-
1975
- 1975-02-11 GB GB5747/75A patent/GB1528011A/en not_active Expired
-
1976
- 1976-01-07 CA CA243,112A patent/CA1059049A/en not_active Expired
- 1976-02-06 BE BE1007186A patent/BE838312A/en unknown
- 1976-02-09 IT IT19993/76A patent/IT1055875B/en active
- 1976-02-09 NO NO760414A patent/NO760414L/no unknown
- 1976-02-09 IE IE251/76A patent/IE42634B1/en unknown
- 1976-02-09 DE DE19762604993 patent/DE2604993A1/en active Pending
- 1976-02-09 FR FR7603439A patent/FR2300803A1/en active Granted
- 1976-02-10 NL NL7601314A patent/NL7601314A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
BE838312A (en) | 1976-08-06 |
IT1055875B (en) | 1982-01-11 |
FR2300803B1 (en) | 1978-11-10 |
NO760414L (en) | 1976-08-12 |
FR2300803A1 (en) | 1976-09-10 |
NL7601314A (en) | 1976-08-13 |
CA1059049A (en) | 1979-07-24 |
DE2604993A1 (en) | 1976-08-19 |
IE42634L (en) | 1976-08-11 |
IE42634B1 (en) | 1980-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |