Artificial mammalian chromosome

It is intended to provide an artificial mammalian chromosome which is stably held in mammalian cells and allows efficient expression of a target gene carried thereby. Namely, a first cyclic vector containing a mammalian centromere sequence and a selection marker gene and a second cyclic vector conta...

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Bibliographische Detailangaben
Hauptverfasser:	IKENO MASASHI, OKAZAKI TSUNEKO, ITOU TOSHIHIDE, SUZUKI NOBUTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BEER BIOCHEMISTRY CARE OF BIRDS, FISHES, INSECTS CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FISHING FORESTRY HUMAN NECESSITIES HUNTING HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NEW BREEDS OF ANIMALS ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR SPIRITS TRAPPING VINEGAR WINE
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Beschreibung
Zusammenfassung:	It is intended to provide an artificial mammalian chromosome which is stably held in mammalian cells and allows efficient expression of a target gene carried thereby. Namely, a first cyclic vector containing a mammalian centromere sequence and a selection marker gene and a second cyclic vector containing a functional sequence are transferred into mammalian host cells. Then transformed cells are selected by using the above-described selection marker gene and cells holding an artificial mammalian chromosome are selected from among the transformed cells thus selected. Thus, it is possible to construct an artificial mammalian chromosome which has a mammalian replication origin, the mammalian centromere sequence and the functional sequence, is in a cyclic form, can be replicated in mammalian cells, extrachromosomally held in the host cells and transferred to daughter cells in cell division.