title: Axenization and optimization of in vitro growth of clonal cultures of Tetratrichomonas gallinarum and Trichomonas gallinae.
abstract: A rapid and simple procedure was established to obtain clonal axenic cultures of Tetratrichomonas gallinarum and Trichomonas gallinae and to optimize their in vitro growth conditions. Medium 199 was used for axenization of two genetically different clones of T. gallinarum and T. gallinae. Six different media were used to optimize the growth behaviour of axenically grown parasites: Medium 199, TYM, TYI-S-33, Hollander fluid (HF), Trichomonas vaginalis (TV) and modified TV media. The highest cell yields for both axenic clones of T. gallinarum were obtained in modified TV medium without antibiotics. The maximum numbers of trophozoites of T. gallinae were obtained in an optimized HF medium. This study demonstrated that axenic cultures for T. gallinarum and T. gallinae could be obtained avoiding the migration technique through a V-tube. Following axenization and optimization, both clones of T. gallinarum and T. gallinae could be propagated both aerobically and anaerobically.
authors.affiliation: Clinic for Avian, Reptile and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Veterinärplatz 1, A-1210 Vienna, Austria.
authors.forename: Aziza
authors.initials: A
authors.lastname: Amin
authors.forename: Claudia
authors.initials: C
authors.lastname: Neubauer
authors.forename: Dieter
authors.initials: D
authors.lastname: Liebhart
authors.forename: Elvira
authors.initials: E
authors.lastname: Grabensteiner
authors.forename: Michael
authors.initials: M
authors.lastname: Hess
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000469:parasitology; D001717:Birds; D002645:Chickens / Q000097:blood; D003470:Culture Media; D016834:Trichomonadida / Q000254:growth & development* / Q000382:microbiology; D014244:Trichomonas / Q000254:growth & development* / Q000382:microbiology
chemical_list: D003470:Culture Media