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Crithidia harmosa McGhee et al.
Crithidia harmosa McGhee et al.
規格:
貨期:
編號:B232305
品牌:Mingzhoubio

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DNA
RNA

規格:
凍干粉
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甘油
平板


產品名稱 Crithidia harmosa McGhee et al.
商品貨號 B232305
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.
Isolation
Euryophthalmus davisi, Athens, GA, 1969
Product Format frozen
Type Strain no
Comments
Ornithine-arginine metabolism
Biological characteristics
Riboprinting and taxonomy
Nutrition of the trypanosomatids
Growth on blood-agar plates
Immunologic and electrophoretic characteristics
Multiple distinct site-specific elements in miniexon arrays
Cyclopropane fatty acid
Medium ATCC® Medium 355: Crithidia medium
Growth Conditions
Temperature: 25.0°C
Duration: axenic
Protocol: ATCCNO: 11745 SPEC: See general instructions for thawing and storage of frozen material before proceeding. Add thawed contents to a single 16 x 125 mm glass screw-capped test tube of the appropriate medium. Incubate the culture vertically with the cap screwed on tightly. It is essential to establish cultures initially in small volumes. Once established, the culture can be scaled up to larger volumes. Vigorously agitate the culture and aseptically transfer 0.1 ml of culture to a fresh tube of medium weekly.
Subcultivation
Protocol: ATCCNO: 11745 SPEC: See general instructions for thawing and storage of frozen material before proceeding. Add thawed contents to a single 16 x 125 mm glass screw-capped test tube of the appropriate medium. Incubate the culture vertically with the cap screwed on tightly. It is essential to establish cultures initially in small volumes. Once established, the culture can be scaled up to larger volumes. Vigorously agitate the culture and aseptically transfer 0.1 ml of culture to a fresh tube of medium weekly.
Cryopreservation

1. ? Prepare a 10% (v/v) sterile DMSO solution in fresh ATCC Medium 355.?

2.?? Transfer a culture at peak density to centrifuge tubes and centrifuge at 525 x g for 5 minutes.

3.?? Remove the supernatant and resuspend the cells in ATCC medium 355 to a concentration of 2 x 106 to 2 x 107 cells/ml.

4.?? Mix the cell preparation and the DMSO in equal portions. Thus, the final concentration will be between 106 and 107 cells/ml and 5% (v/v) DMSO.

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

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 remove the contents of the ampule and inoculate into 5 ml of fresh ATCC medium 355 in a 16 x 125 mm screw-capped test tube. Incubate upright at 25°C with caps screwed on tightly.

Name of Depositor SH Hunter
Chain of Custody
ATCC <<--SH Hunter<<--R.B. McGhee
Year of Origin 1969
References

McGhee RB, et al. Isolation, cloning and determination of biologic characteristics of five new species of Crithidia. J. Protozool. 16: 514-520, 1969. PubMed: 5343466

Figueiredo EN, et al. Enzymes of the ornithine-arginine metabolism of trypanosomatids of the genus Crithidia. J. Protozool. 25: 546-549, 1978.

Clark CG. Riboprinting: A tool for the study of genetic diversity in microorganisms. J. Eukaryot. Microbiol. 44: 277-283, 1997. PubMed: 9225441

Goncanlves De Lima VM, et al. Comparison of six isoenzymes from 10 species of Crithidia. J. Protozool. 29: 397-401, 1982.

Roitman I, et al. Nutrition of trypanosomatids Crithidia acanthocephali and Crithidia harmosa ribose and adenosine: Substrates for Crithidia acanthocephali. J. Protozool. 32: 490-492, 1985.

Keppel AD, Janovy J J. Herpetomonas megaseliae and Crithidia harmosa: growth on blood-agar plates. J. Parasitol. 63: 879-882, 1977. PubMed: 562401

Dooris PM, McGhee RB. Immunologic and electrophoretic characteristics of two species of Crithidia. J. Protozool. 23: 433-437, 1976. PubMed: 972352

Fish WR, et al. The cyclopropane fatty acid of trypanosomatids. Mol. Biochem. Parasitol. 3: 103-115, 1981. PubMed: 7254247

Teng SC, et al. A new non-LTR retrotransposon provides evidence for multiple distinct site-specific elements in Crithidia fasciculata miniexon arrays. Nucleic Acids Res. 23: 2929-2936, 1995. PubMed: 7659515

Cho J, Eichinger D. Crithidia fasciculata induces encystation of Entamoeba invadens in a galactose-dependent manner. J. Parasitol. 84: 705-710, 1998. PubMed: 9714198

梅經理 17280875617 1438578920
胡經理 13345964880 2438244627
周經理 17757487661 1296385441
于經理 18067160830 2088210172
沈經理 19548299266 2662369050
李經理 13626845108 972239479