Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_efda7341819f1a85d7f2fe104cd8a26f |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12N1-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12N15-1003 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12P19-34 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P19-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12N1-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12N1-21 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12N15-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12N15-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12N15-09 |
filingDate |
1999-05-21^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2004-04-28^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6f606f757acc2131d74c68e5f40e56ff http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_91cb2f2d9a0575af05a872189d64bea2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f321871943516a1a92cbba46ea01fc5c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c474ba945e01ed3b0343354312afa981 |
publicationDate |
2004-04-28^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
EP-1144656-B1 |
titleOfInvention |
Method for the isolation of ccc plasmid dna |
abstract |
The present invention relates to the production of biomass for the isolation of ccc plasmid DNA comprising culturing a bacterial transformant in a bioreactor containing an antibiotic-free batch medium under batch-conditions and, at the end of the batch phase, feeding under feed-back conditions the portion of a feed-back medium after the rise of the concentration of dissolved oxigen above a threshold-set point. Said feed-back medium comprises besides a carbon source a magnesium salt, preferably in concentrations above 20 mM. Preferably, the bacterial transformant is harvested after the end of the culture and frozen or freeze-dried. Also preferred is that ccc plasmid DNA is, optionally directly, isolated after harvesting the bacteria. |
priorityDate |
1998-05-25^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |