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Insertion of muntjac gene segment into hamster cells by cell fusion (1980)

Tsukamoto, Kyozo ; Klein, Richard ; Hatanaka, Masakazu

New York, NY [u.a.] : Wiley-Blackwell

Journal of Cellular Physiology 104 (1980), S. 225-232

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ISSN: 0021-9541

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Medicine

Notes: Indian muntjac diploid cells that have only three pairs of easily discernible large chromosomes were fused with hamster cells deficient in hypoxanthine guanine phosphoribosyltransferase (HGPRT) using polyethylene glycol. Cells that survived in hypoxanthine-aminopterine-thymidine (HAT)-oubaine medium were analyzed.Hybrid cells containing both muntjac and hamster chromosomes in a given cell were not found. Instead, the cells had the same chromosomal sets as those of either parental muntjac or hamster cells.A clonal isolate that had the same chromosomal sets as those of parental hamster cells was analyzed in detail and showed the following characteristics: (1) portions of the survival curve in various concentrations of HAT medium were intermediate between those of parental cells; (2) expressions of both muntjac and hamster antigen(s) were detected by immunofluorescence staining; (3) the mobility of the enzyme HGPRT in gel electrophoresis differed from that of parental hamster or muntjac cells. These results indicate that the clonal isolate (AD202h) is a somatic cell hybrid of hamster and muntjac that contains chromosomal sets of hamster with an inserted segment of the muntjac genome, including HGPRT.The formation of such an unusal hybrid and a possible explanation of transfer of some gene segments in the hybrid cell in this system are discussed.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jcp.1041040212

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