Summary
A highly nutritive culture medium (MGM-464) was developed for insect cell primary culture. The new medium consists of 6 inorganic salts, 4 organic acids, 21 amino acids, 3 sugars, 10 vitamins, and 8 other chemicals, including natural substances. The complete medium was generated by adding 20 ml fetal bovine serum to 100 ml MGM-464. The detail of the composition of the medium is given in a table, and the protocol to prepare the medium is described in the text. Among the 15 kinds of cultures made with MGM-464, embryonic cells from a walking stick and ovarian cells from the common white were subcultured more than 70 times, and embryonic cells of a chrysomelid beetle were subcultured more than 15 times. Other cultures could not be subcultured. However, embryonic cells from the commercial silkworm and a cockroach, ovarial cells from the commercial silkworm and a sphingid moth, nervous cells from the commercial silkworm and two sphingid moths, and cells from the dorsal vessel plus surrounding tissue of the commercial silkworm survived for several mo. The cells from the honeybee embryos, aphid embryos, and planthopper embryos were rather short-lived, and deteriorated after about 1 mo.
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Mitsuhashi, J. Development of highly nutritive culture media. In Vitro Cell.Dev.Biol.-Animal 37, 330–337 (2001). https://doi.org/10.1007/BF02577566
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DOI: https://doi.org/10.1007/BF02577566