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Naegleria pringsheimi De Jonckheere
Naegleria pringsheimi De Jonckheere
规格:
货期:
编号:TS171742
品牌:Testobio
产品名称： Naegleria pringsheimi De Jonckheere
商品货号： TS171742
Deposited As： Naegleria gruberi Schardinger
Strain Designations： NB-1
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：
freshwater, England
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：
Circular ribosomal RNA genes
Medium： ATCC® Medium 1034: Modified PYNFH medium (Available from ATCC as ATCC cat. no. 327-X)
ATCC® Medium 710: Nelsons Culture Medium For Naegleria
ATCC® Medium 803: M7 medium
ATCC® Medium 902: Schusters axenic Naegleria medium
Growth Conditions：
Temperature: 25°C
Cryopreservation：
  1. Harvest cells from a culture that is at or near peak density by centrifugation at 600 x g for 5 min. Pool the cell pellets into a single tube.
  2. Adjust the concentration of cells to 2.0 x 106/ml.xa0 If the concentration is too low, centrifuge at 600 x g for 5 minutes and resuspend the cell pellet with a volume of supernatant to yield the desired concentration.
  3. Prepare a 15% (v/v) sterile DMSO solution in ATCC medium 1034 as follows:xa0 Add the required volume of DMSO to a glass screw-capped test tube and place on ice.xa0 Allow the DMSO to solidify.xa0 Add the required volume of refrigerated ATCC medium 1034.xa0 Dissolve the DMSO by inverting several times.xa0 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 106 and 7.5% (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 60 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 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.
  7. The frozen preparations are stored in either the vapor or liquid phase of a nitrogen refrigerator.
  8. To establish a culture from the frozen state place an ampule in a water bath set at 35°C. Immerse the vial enough to cover only the frozen material. Do not agitate the vial.
  9. xa0Immediately after thawing, do not leave in the water bath, aseptically remove the contents of the ampule and inoculate into a fresh tube or flask of ATCC medium 1034.
  10. Incubate at 25°C with the cap screwed on tightly (incubate a test tube on a 15° horizontal slant).
Name of Depositor： W Balamuth
Chain of Custody：
ATCC <-- W Balamuth <-- C. Fulton <-- W. Balamuth <-- . . . <-- E.G. Pringsheim
References：

Clark CG, Cross GA. Circular ribosomal RNA genes are a general feature of schizopyrenid amoebae. J. Protozool. 35: 326-329, 1988. PubMed: 2840492

De Jonckheere JF. A century of research on the amoeboflagellate genus Naegleria. Acta Protozool. 41: 309-342, 2002.

name change from Naegleria gruberi to N. pringsheimi per TA Nerad, by e-mail message dated Dec 9 2002

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Naegleria pringsheimi De Jonckheere

  • 货号: TS171742
  • 好评
询价
  • 品牌 : TESTOBIO
产品名称： Naegleria pringsheimi De Jonckheere
商品货号： TS171742
Deposited As： Naegleria gruberi Schardinger
Strain Designations： NB-1
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：
freshwater, England
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：
Circular ribosomal RNA genes
Medium： ATCC® Medium 1034: Modified PYNFH medium (Available from ATCC as ATCC cat. no. 327-X)
ATCC® Medium 710: Nelsons Culture Medium For Naegleria
ATCC® Medium 803: M7 medium
ATCC® Medium 902: Schusters axenic Naegleria medium
Growth Conditions：
Temperature: 25°C
Cryopreservation：
  1. Harvest cells from a culture that is at or near peak density by centrifugation at 600 x g for 5 min. Pool the cell pellets into a single tube.
  2. Adjust the concentration of cells to 2.0 x 106/ml.xa0 If the concentration is too low, centrifuge at 600 x g for 5 minutes and resuspend the cell pellet with a volume of supernatant to yield the desired concentration.
  3. Prepare a 15% (v/v) sterile DMSO solution in ATCC medium 1034 as follows:xa0 Add the required volume of DMSO to a glass screw-capped test tube and place on ice.xa0 Allow the DMSO to solidify.xa0 Add the required volume of refrigerated ATCC medium 1034.xa0 Dissolve the DMSO by inverting several times.xa0 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 106 and 7.5% (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 60 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 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.
  7. The frozen preparations are stored in either the vapor or liquid phase of a nitrogen refrigerator.
  8. To establish a culture from the frozen state place an ampule in a water bath set at 35°C. Immerse the vial enough to cover only the frozen material. Do not agitate the vial.
  9. xa0Immediately after thawing, do not leave in the water bath, aseptically remove the contents of the ampule and inoculate into a fresh tube or flask of ATCC medium 1034.
  10. Incubate at 25°C with the cap screwed on tightly (incubate a test tube on a 15° horizontal slant).
Name of Depositor： W Balamuth
Chain of Custody：
ATCC <-- W Balamuth <-- C. Fulton <-- W. Balamuth <-- . . . <-- E.G. Pringsheim
References：

Clark CG, Cross GA. Circular ribosomal RNA genes are a general feature of schizopyrenid amoebae. J. Protozool. 35: 326-329, 1988. PubMed: 2840492

De Jonckheere JF. A century of research on the amoeboflagellate genus Naegleria. Acta Protozool. 41: 309-342, 2002.

name change from Naegleria gruberi to N. pringsheimi per TA Nerad, by e-mail message dated Dec 9 2002

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