ATCC? Number:30959?
Organism: Tetramitis thorntoni (Singh) Brown and De Jonckheere
Isolation: farmyard soil, England, 1950 (?)
Depositors: W Balamuth
History: ATCC<<--W Balamuth<<--B.N. Singh <<--- . . . <<--- L.M. Crump
Biosafety Level:1
Shipped: freeze-dried
Growth Conditions: ATCCmedium 997: Fresh water ameba mediumTemperature: 25.0°C Duration: grown with Escherichia coli ATCC11775 Protocol: ATCCNO: 30133 SPEC: This strain is shipped as a dried preparation. Aseptically add 1 ml of sterile distilled water to the inner vial, remove the filter paper pellet with a pair of forceps, and place it in the center of an agar plate of ATCCmedium 711 or 997. Add the liquid remaining in the vial to the plate and spread it evenly over the surface of the plate. Incubate the plate at 25C. Trophozoites (amebae) should be evident within 2-3 days.
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Comments: Zymodeme Th-1 [23932] Maximum temperature tolerance 37C [23932] Circular ribosomal RNA genes [4814] Transfer of species back to Didasculus based upon SSUrDNA sequence [21639] review [23576]
References: 4814: Clark CG, Cross GA. Circular ribosomal RNA genes are a general feature of schizopyrenid amoebae. J. Protozool. 35: 326-329, 1988. PubMed: 2840492 21639: De Jonckheere JF, et al. On the identity of the amoeboflagellates Didascalus thorntoni and Adelphamoeba galeacystis. J. Eukaryot. Microbiol. 44: 52-54, 1997. PubMed: 9172832 23576: John DTOpportunistically pathogenic free-living amebaeIn: John DTParasitic protozoa2nd ed.3San DiegoAcademic Presspp. 143-246, 1993 23932: Adams M, et al. A genetic approach to species criteria in the amoeba genus Naegleria using allozyme electrophoresis. Int. J. Parasitol. 19: 823-834, 1989. PubMed: 2635158