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Encephalitozoon intestinalis (Cali et al.) Hartskeerl et al.
Encephalitozoon intestinalis (Cali et al.) Hartskeerl et al.
規(guī)格:
貨期:
編號:B237464
品牌:Mingzhoubio

標準菌株
定量菌液
DNA
RNA

規(guī)格:
凍干粉
斜面
甘油
平板


產(chǎn)品名稱 Encephalitozoon intestinalis (Cali et al.) Hartskeerl et al.
商品貨號 B237464
Strain Designations CDC:V308
Application
Enteric Research
Food and waterborne pathogen research
Opportunistic pathogen research
Biosafety Level 2

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Isolation Clinical isolate from 34-year-old man with AIDS, Colorado
Product Format frozen
Storage Conditions Frozen Cultures:
-70°C for 1 week; liquid N2 vapor for long term storage

Freeze-dried Cultures:
2-8°C

Live Cultures:
See Protocols section for handling information
Type Strain no
Comments
characterization
Growth Conditions
Temperature: 35°C
Cell Line: ATCC® CCL-26™ (kidney, African green monkey)
Cryopreservation Harvest and Preservation
  1. Harvest the culture by gently agitating the contents of each flask.  Transfer all but approximately 1 mL of the culture medium to 15 mL plastic centrifuge tubes. Detach the remaining tissue culture cells (infected and uninfected) by scraping the surface of the flask with a cell scraper. Pass the resulting cell suspension through a syringe equipped with a 27 gauge 1/2 in needle and pool this suspension with the culture fluid.
  2. Spin the cell suspensions at approximately 50 x g for 3 min, to remove the cellular debris.
  3. Transfer the spore suspensions (supernatants) to new 15 mL plastic centrifuge tubes.  Centrifuge at 1300 x g for 10 min.
  4. Pool the spore pellets and adjust the concentration to 2.0 - 4.0 x 107 cells/mL with a fresh solution of Hank's Balanced Salt Solution.*If the concentration is too low centrifuge at 1300 x g for 10 min and resuspend in the volume of Hank's Balanced Salt Solution required to yield the desired concentration.
  5. Mix the spore preparation and 20% (v/v) DMSO in equal portions.  The final concentration will be 1.0 - 2.0 x 107 cells/mL and 10% DMSO.  The time from the mixing of the cell preparation and the cryoprotective solution before the freezing process begins should be no less than 15 min. and no more than 30 min.
  6. Dispense in 0.5 mL aliquots to 1.0-2.0 mL sterile plastic screw-capped cryules (special plastic vials for cryopreservation).
  7. Place the vials in a controlled rate freezing unit.  From room temperature cool at -1°C/min to -40°C.  If the freezing unit can compensate for the heat of fusion, maintain rate at -1°C/min through the heat of fusion.  At -40°C plunge 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.)  
  8. Store in either the vapor or liquid phase of a nitrogen refrigerator.
  9. 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 thawed.
  10. Immediately after thawing, aseptically transfer contents to a T-25 tissue culture flask containing a fresh monolayer of ATCC® CCL-26™ cells and 10 mL ATCC® 30-2003 with 3% (v/v) HIFBS.
  11. Outgas the flask for 10 seconds with a 95% air, 5% CO2 gas mixture.
  12. Incubate in a 35°C CO2 incubator with the caps screwed on tightly.
Name of Depositor GS Visvesvara
Special Collection NCRR Contract
References

del Aguila C, et al. Ultrastructure, immunofluorescence, western blot, and PCR analysis of eight isolates of Encephalitozoon (Septata) intestinalis established in culture from sputum and urine samples and duodenal aspirates of five patients with AIDS. J. Clin. Microbiol. 36: 1201-1208, 1998. PubMed: 9574677

Molestina R, Becnel JJ, Weiss LM. Culture and Propagation of Microsporidia. In Microsporidia: Pathogens of Opportunity, First Edition, Chapter 18: pp. 457-467, 2014. Hoboken, NJ: John Wiley & Sons, Inc.

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