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Subulatomonas tetraspora
Subulatomonas tetraspora
規格:
貨期:
編號:B228136
品牌:Mingzhoubio

標準菌株
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DNA
RNA

規格:
凍干粉
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甘油
平板


產品名稱 Subulatomonas tetraspora
商品貨號 B228136
Strain Designations plma-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 Near-shore marine site, Plymouth, Massachusetts
Storage Conditions Frozen: -70°C or colder
Freeze-Dried: 2°C to 8°C
Live Culture: See Protocols Section
Type Strain no
Medium ATCC® Medium 1989: Seawater Medium for Selected Anerobic Protists
Growth Conditions
Temperature: 25°C
Atmosphere: Microaerophilic
Culture System: Grown with Enterobacter aerogenes ATCC 13048 or Klebsiella pneumoniae subsp. pneumoniae ATCC 700831 as a food source.
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 107cells/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 to start of the freezing process 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 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.   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 13 mL of fresh, bacterized ATCC medium 1989 in a 16 x 125 screw-capped test tube.  Incubate upright at 25°C.
Name of Depositor TA Nerad
References

Katz LA, et al. Subulatomonas tetraspora nov. gen. nov. sp. is a member of a previously unrecognized major clade of eukaryotes. Protist 162(5): 762-773, 2011. PubMed: 21723191

Grant JR, et al. Gene discovery from a pilot study of the transcriptomes from three diverse microbial eukaryotes: Corallomyxa tenera, Chilodonella uncinata, and Subulatomonas tetraspora. Protist Genomics 1: 3-18, 2012.

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