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Crithidia acanthocephali Hanson and McGhee

货号 TS145426
中文名称 null
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产品名称: Crithidia acanthocephali Hanson and McGhee
商品货号: TS145426
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:
Acanthocephala femorata, Athens, GA, 1959
Product Format: frozen
Storage Conditions: Frozen: -70°C or colder for 1 week, vapor phase of liquid nitrogen for long-term storage
Axenic/Xenic: Axenic
Type Strain: no
Comments:
Ornithine-arginine metabolism
species description
Trypanosomatids from fruit
Riboprinting and taxonomy
Monoclonal antibodies for identification
Nutrition of the trypanosomatids
Proteolytic activities
Acetylornithinase and ornithine acetyltransferase
Cyclopropane fatty acid
Ultrastructural differences between species with and without endosymbionts
isoleucine requirement and threonine deaminase
Multiple distinct site-specific elements in miniexon arrays
endonuclease-generated fragments of K-DNA, esterase isoenzymes, surface proteins for species identification
Medium: ATCC® Medium 355: Crithidia medium
Growth Conditions:
Temperature: 25°C
Cryopreservation:
  1. Prepare a 10% (v/v) sterile DMSO solution in fresh ATCC Medium 355.xa0
  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).xa0 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.xa0 From room temperature cool at -1°C/min to -40°C.xa0 If the freezing unit can compensate for the heat of fusion, maintain rate atxa0xa0xa0xa0xa0xa0xa0 -1°C/min through the heat of fusion.xa0 At -40°C plunge into liquid nitrogen. Alternatively, place the vials in a Nalgene 1°C freezing apparatus.xa0 Place the apparatus at -80°C for 1.5 to 2 hours and then plunge ampules into liquid nitrogen.xa0 (The cooling rate in this apparatus is approximately -1°C/min.) xa0
  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
Year of Origin: 1959
References:

Hanson and McGhee. The biology and morphology of Crithidia acanthocephali n. sp., Leptomonas leptoglossi n. sp., and Blastocrithidia euschisti n. sp.. J. Protozool. 8: 200-204, 1961.

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

Conchon I, et al. Trypanosomatids, other than Phytomonas spp., isolated and cultured from fruit. J. Protozool. 36: 412-414, 1989.

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

Camargo EP, et al. Proteolytic activities in cell extracts of trypanosomatids. J. Parasitol. 64: 1120-1121, 1978. PubMed: 739304

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

Teixeira MM, Camargo EP. Monoclonal antibodies for the identification of trypanosomatids of the genus Phytomonas. J. Protozool. 36: 262-264, 1989.

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.

Galinari S, Camargo EP. Trypanosomatid protozoa: survey of acetylornithinase and ornithine acetyltransferase. Exp. Parasitol. 46: 277-282, 1978. PubMed: 569594

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

Freymuller E, Camargo EP. Ultrastructural differences between species of trypanosomatids with and without endosymbionts. J. Protozool. 28: 175-182, 1981. PubMed: 7024533

Alfieri SC, Camargo EP. Trypanosomatidae: isoleucine requirement and threonine deaminase in species with and without endosymbionts. Exp. Parasitol. 53: 371-380, 1982. PubMed: 6806116

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

Camargo EP, et al. Electrophoretic analysis of endonuclease-generated fragments of k-DNA, of esterase isoenzymes, and of surface proteins as aids for species identification of insect trypanosomatids. J. Protozool. 29: 251-258, 1982. PubMed: 6284925

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