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Trimastix pyriformis (Klebs) Bernard et al.
Trimastix pyriformis (Klebs) Bernard et al.
規(guī)格:
貨期:
編號:B234133
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 Trimastix pyriformis (Klebs) Bernard et al.
商品貨號 B234133
Deposited As Chilomastix sulcatus Klebs
Strain Designations RCP
Biosafety Level 1

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.

Product Format test tube
Type Strain no
Comments
not detected by Trichomonas vaginalis-specific PCR primers
ultrastructure
Medium ATCC® Medium 802: Sonneborn's Paramecium medium
Growth Conditions
Temperature: 25.0°C
Duration: anaerobic
Cryopreservation

1.?? Harvest the cells from a culture that is at or near peak density by centrifuging at 850 x g for 5 minutes.

2.? If the cell concentration exceeds the required level do not centrifuge, but adjust the concentration to between 2 x 106 and 2 x 107cysts/ml with fresh medium. ?If the concentration is too low, centrifuge at 850 x g for 5 min and resuspend the pellet in the volume of fresh medium required to yield the desired concentration.

3.?? While cells are centrifuging prepare a 20% (v/v) solution of sterile DMSO as follows: Add the required volume of DMSO to a glass screw-capped test tube and place it in an ice bath.? Allow the DMSO to solidify.? Add the required volume of refrigerated medium.? Dissolve the DMSO by inverting the tube several times.?

????? *NOTE: If the DMSO solution is not prepared on ice, an exothermic reaction will occur that may precipitate certain components of the medium.

4.? Mix the cell preparation and the DMSO in equal portions. Thus, the final concentration will be between 106 and 107 cells/ml and 10% (v/v) DMSO. The time from the mixing of the cell preparation and DMSO stock solution before the freezing process is begun should be no less than 15 min and no longer than 30 min.

5.?? Dispense in 0.5 ml aliquots into 1.0 - 2.0 ml sterile plastic screw-capped cryules (special plastic vials for cryopreservation).

6.?? 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.) ?

7.? The frozen preparations are stored in either the vapor or liquid phase of a nitrogen freezer.

8.?? To establish a culture from the frozen state place an ampule in a water bath set at 35°C (2-3 min). Immerse the vial just sufficient to cover the frozen material. Do not agitate the vial.

9.?? Immediately after thawing, aseptically transfer contents to a 16 x 125 mm screw-capped test tube containing 12 ml of bacterized ATCC Medium 802.? Incubate the culture on a 15° horizontal slant at 25°C.

Name of Depositor TA Nerad
References

Madico G, et al. Diagnosis of Trichomonas vaginalis infection by PCR using vaginal swab samples. J. Clin. Microbiol. 36: 3205-3210, 1998. PubMed: 9774566

O'Kelly CJ, et al. Ultrastructure of Trimastix pyriformis (Klebs) Bernard et al.: similarities of Trimastix species with retortamonad and jakobid flagellates. Protist 150: 149-162, 1999. PubMed: 10505415

Cavalier-Smith T, Chao EE-Y. Phylogeny of choanozoa, apusozoa, and other protozoa and early eukaryote megaevolution. J. Mol. Evol. 56: 540-563, 2003. PubMed: 12698292

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