PMID: 6973740Aug 1, 1981Paper

New defined and semi-defined media for cultivation of the flagellate Trichomonas vaginalis

Parasitology
D Linstead

Abstract

Studies on the nutrition and physiology of Trichomonas vaginalis have been hampered by the lack of a defined synthetic medium in which to grow the organism. New synthetic media free of ill-defined supplements and serum which support good growth of T. vaginalis have been developed in this study. The first successful approach to a defined medium resulted from the modification of the tissue-culture medium CMRL 1066. Essential modifications included (1) lowering the redox potential of the medium by adding high levels of ascorbate and (2) modifying the buffer system. Subsequently, CMRL 1066 was replaced by two new media DL7 and DL8 which have greater flexibility in their formulation and permit improved serum-free growth. Serum was replaced by bovine serum albumin and cholesterol, together with either a glyceryl fatty acid ester or a defined mixture of fatty acids. Preliminary nutritional studies using the new media have indicated a requirement for saturated and unsaturated fatty acids and a sterol.

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Citations

Jul 22, 1992·Biochemical Pharmacology·N YarlettC J Bacchi
Jun 1, 1988·Molecular and Biochemical Parasitology·D I HarrisJ Barrett
Jan 15, 1990·Molecular and Biochemical Parasitology·D H BeachD G Lindmark
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