Anncaliia algerae (ATCC® PRA-339)

Organism: Anncaliia algerae  /  Depositor: L Weiss

Permits and Restrictions

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Strain Designations Undeen
Biosafety Level 2
Type Strain no
Comments Contaminated with Mycoplasma arginini based on PCR-based testing conducted at ATCC
Medium Medium 722: Minimum essential medium (MEM)
Growth Conditions Cell Line: ATCC CCL-37 (rabbit kidney epithelium) (Contact ATCC Sales to order)

Alternate Cell Lines: Depositor has indicated that the following cell lines may alternatively be used:  ATCC CCL-34 (kidney, canine), ATCC CCL-81 (kidney, African green monkey),  ATCC CRL-1634 (fibroblast, human)

Temperature:  30°C

Cryopreservation
  1. To harvest the Anncaliia culture, detach any remaining tissue culture cells (infected and uninfected) by scraping the surface of the flask with a cell scraper.
  2. Transfer the cell suspension (including parasites) to 15 mL plastic centrifuge tubes. Centrifuge at 1300 x g for 10 min.
  3. Remove all but 0.5 mL of the supernatant from each tube, resuspend the cell pellets, and pool them to a single tube.
  4. Pass the resulting cell suspension through a syringe equipped with a 27 gauge 1/2 in needle to break up any remaining cells. Adjust the parasite concentration to 2.0 - 4.0 x 107 cells/mL with fresh medium or PBS.  NOTE: If the concentration of parasites is too low, centrifuge at 1300 x g for 10 min and resuspend in the volume of fresh medium or PBS required to yield the desired concentration.
  5. Prepare a cryoprotective solution containing 20% (v/v) DMSO and 50% (v/v) HIFBS in fresh medium or PBS.
  6. Mix the cell preparation and cryoprotective solution in equal portions. The final concentration will be 1.0 - 2.0 x 107 cells/mL, 10% DMSO, and 25% HIFBS. The time from the mixing of the cell preparation and cryoprotective solution to the start of the freezing process should be no less than 15 min. and no more than 30 min.  NOTE: To prevent culture contamination, penicillin-streptomycin solution (ATCC 30-2300) may be added to a final concentration of 50 to 100 I.U./mL penicillin and 50 to 100 µg/mL streptomycin.
  7. Dispense in 0.5 mL aliquots to 1.0-2.0 mL sterile plastic screw-capped cryules (special plastic vials for cryopreservation).
  8. Place vials in a controlled rate freezing unit. From room temperature, cool at -1°C/min to -40°C. If freezing unit can compensate for the heat of fusion, maintain rate at -1 C/min through heat of fusion. At -40°C plunge ampules into liquid nitrogen. Alternatively, place the vials in a Nalgene 1°C freezing apparatus. Place the apparatus at -80°C for 1.5 to 2 hours and then plunge ampules into liquid nitrogen. (The cooling rate in this apparatus is approximately -1°C/min.)
  9. Store frozen ampules in either the vapor or liquid phase of a nitrogen refrigerator.
  10. To thaw a frozen ampule, place it in a 35°C water bath such that the lip of the ampule remains above the water line. Thawing time is approximately 2 to 3 minutes.  Do not agitate the ampule.  Do not leave ampule in water bath after it is thawed.
  11. Immediately after thawing, aseptically transfer contents to a T-25 tissue culture flask containing a fresh monolayer of cells (ATCC CCL-37 or suggested alternate) and 10 mL ATCC 30-2003 with 10% (v/v) HIFBS.
  12. Outgas the flask for 10 seconds with a 95% air, 5% CO2 gas mixture.
  13. Incubate in a 35-37°C CO2 incubator with the cap screwed on tightly.
Name of Depositor L Weiss
Chain of Custody ATCC <-- L Weiss
References

Vavra J, et al. Nosema algerae n. sp. (Cnidospora, Microsporida) a pathogen in a laboratory colony of Anopheles stephensi Liston (Diptera, Culicidae). J. Protozool. 17: 240-249, 1970. PubMed: 4915459

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