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Tetrahymena thermophila Nanney and McCoy
Tetrahymena thermophila Nanney and McCoy
规格:
货期:
编号:TS175468
品牌:Testobio
产品名称： Tetrahymena thermophila Nanney and McCoy
商品货号： TS175468
Strain Designations： Inbred Strain D, stock IA100
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： Segregant from genetic cross, 1975
Product Format： test tube
Storage Conditions： Frozen Cultures:
-70°C for 1 week; liquid N2 vapor for long term storage

Freeze-dried Cultures:
2-8°C

Live Cultures:
See Protocols section for handling information
Type Strain： no
Comments：
III
Homozygous for conical (Con = co)
Medium： ATCC® Medium 357: Tetrahymena medium
Growth Conditions：
Temperature: 25°C
Culture System: Axenic
Cryopreservation： Reagents
RM-9 Media for cryopreservation of Tetrahymena
Proteose Peptone (Difco 0120) 5.0 g
Tryptone 5.0 g
K2HPO4 0.2 g
Glucose 1.0 g
Liver extract 0.1 g
Glass distilled water 1.0 L
Dissolve components in glass distilled H2O and autoclave.

Dryl’s Salt Solution
0.1 M NaH2PO4 . 3H20 10.0 mL
0.1 M Na2HPO4 . 7H20 10.0 mL
0.1 M Sodium citrate . 2H20 15.0 mL
0.1 M CaCl2 . 2H20 15.0 mL
Distilled water 950.0 mL
Add the first 3 components to the distilled H2O and mix thoroughly.
Add the CaC12 solution and mix thoroughly.
(Adding the solutions in the order indicated will avoid the precipitation of Ca salts.)

Harvest and Preservation
  1. Transfer tetrahymena from usual growth medium to RM-9 medium and allow to grow to near peak density.
  2. Harvest cells from a culture by centrifugation at 300 x g for 2 min.xa0 xa0 xa0 xa0 xa0xa0
  3. Adjust concentration of cells to 2 x 106/mL in fresh medium.
  4. While cells are centrifuging, prepare a 22% (v/v) sterile solution of sterile DMSO in fresh medium.
    1. Add 2.2 mL of DMSO to an ice cold 20 x 150 mm screw-capped test tube;
    2. Place the tube on ice and allow the DMSO to solidify (~5 min) and then add 7.8 mL of ice cold medium;
    3. Invert several times to dissolve the DMSO;
    4. Allow to warm to room temperature.
  1. Add a volume of the DMSO solution equal to the cell suspension volume but add in 3 equal aliquots at 2 min intervals. Thus, the final concentration of the preparation will equal 11% (v/v) DMSO and 106 cells /mL.
  2. Dispense in 0.5 mL aliquots into 1.0 - 2.0 mL sterile plastic screw-capped cryules (special plastic vials for cryopreservation).
  3. Place the ampules in a controlled rate freezing unit. The cooling cycle should be initiated no less than 15 min and no longer than 60 min after the addition of the DMSO to the cell preparation. 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. Atxa0 -50°C ampules are plunged into liquid nitrogen.
  4. Store in the vapor or liquid phase of a nitrogen refrigerator.
  5. To establish a culture from the frozen state aseptically add 0.5 mL sterile Dryls Salt Solution to an ampule. Immediately place the ampule in a 35°C water bath, until thawed (2-3 min).xa0 Immerse the ampule just sufficient to cover the frozen material. Do not agitate the ampule.
  6. Immediately after thawing, aseptically remove the contents of the ampule and inoculate into 5.0 mL of fresh medium in a 16 x 125 mm screw-capped test tube with a slightly loosened cap. Incubate at 25°C.

Alternative Thawing Procedure

  1. Asepticallyxa0 add 0.5 mL of sterile modified PYNFH medium (ATCC Medium 1034) containing 8% (w/v) sucrose to the ampule.xa0 Immediately, place in a 35°C water bath, until thawed. Immerse the ampule just sufficient to cover the frozen material. Do not agitate the ampule.
  2. Immediately after thawing, aseptically remove the contents of the ampule and gently add the material to the edge of a 20 x 100 mm petri plate containing ATCC Medium 919 (non-nutrient agar) and position on a 15 degree slant. xa0The cell suspension will pool at the edge of the plate.
  3. Continue to double the volume of the cell suspension at 10 minute intervals by adding ATCC medium 1034) containing 4% sucrose (w/v). xa0When the volume reaches 16.0 mL place the plate in horizontal position and incubate at 25°C.xa0
  4. On the following day, gently remove the cell suspension for the plate and transfer to a T-25 tissue culture flask. xa0Note the volume of the suspension and add a volume of fresh medium containing 4% sucrose equal to the volume of xa0the cell suspension. xa0Incubate the culture at 25°C.
  5. After culture has been established subculture into fresh normal medium without sucrose.xa0
Name of Depositor： J Frankel, LM Jenkins
Chain of Custody：
ATCC <-- J Frankel, LM Jenkins <-- F.P. Doerder/L.M. Jenkins
Year of Origin： 1975
References：

Doerder FP, et al. Form and pattern in ciliated protozoa: analysis of a genic mutant with altered cell shape in Tetrahymena pyriformis, Syngen 1. J. Exp. Zool. 192: 237-258, 1975. PubMed: 805822

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Tetrahymena thermophila Nanney and McCoy

  • 货号: TS175468
  • 好评
询价
  • 品牌 : TESTOBIO
产品名称： Tetrahymena thermophila Nanney and McCoy
商品货号： TS175468
Strain Designations： Inbred Strain D, stock IA100
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： Segregant from genetic cross, 1975
Product Format： test tube
Storage Conditions： Frozen Cultures:
-70°C for 1 week; liquid N2 vapor for long term storage

Freeze-dried Cultures:
2-8°C

Live Cultures:
See Protocols section for handling information
Type Strain： no
Comments：
III
Homozygous for conical (Con = co)
Medium： ATCC® Medium 357: Tetrahymena medium
Growth Conditions：
Temperature: 25°C
Culture System: Axenic
Cryopreservation： Reagents
RM-9 Media for cryopreservation of Tetrahymena
Proteose Peptone (Difco 0120) 5.0 g
Tryptone 5.0 g
K2HPO4 0.2 g
Glucose 1.0 g
Liver extract 0.1 g
Glass distilled water 1.0 L
Dissolve components in glass distilled H2O and autoclave.

Dryl’s Salt Solution
0.1 M NaH2PO4 . 3H20 10.0 mL
0.1 M Na2HPO4 . 7H20 10.0 mL
0.1 M Sodium citrate . 2H20 15.0 mL
0.1 M CaCl2 . 2H20 15.0 mL
Distilled water 950.0 mL
Add the first 3 components to the distilled H2O and mix thoroughly.
Add the CaC12 solution and mix thoroughly.
(Adding the solutions in the order indicated will avoid the precipitation of Ca salts.)

Harvest and Preservation
  1. Transfer tetrahymena from usual growth medium to RM-9 medium and allow to grow to near peak density.
  2. Harvest cells from a culture by centrifugation at 300 x g for 2 min.xa0 xa0 xa0 xa0 xa0xa0
  3. Adjust concentration of cells to 2 x 106/mL in fresh medium.
  4. While cells are centrifuging, prepare a 22% (v/v) sterile solution of sterile DMSO in fresh medium.
    1. Add 2.2 mL of DMSO to an ice cold 20 x 150 mm screw-capped test tube;
    2. Place the tube on ice and allow the DMSO to solidify (~5 min) and then add 7.8 mL of ice cold medium;
    3. Invert several times to dissolve the DMSO;
    4. Allow to warm to room temperature.
  1. Add a volume of the DMSO solution equal to the cell suspension volume but add in 3 equal aliquots at 2 min intervals. Thus, the final concentration of the preparation will equal 11% (v/v) DMSO and 106 cells /mL.
  2. Dispense in 0.5 mL aliquots into 1.0 - 2.0 mL sterile plastic screw-capped cryules (special plastic vials for cryopreservation).
  3. Place the ampules in a controlled rate freezing unit. The cooling cycle should be initiated no less than 15 min and no longer than 60 min after the addition of the DMSO to the cell preparation. 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. Atxa0 -50°C ampules are plunged into liquid nitrogen.
  4. Store in the vapor or liquid phase of a nitrogen refrigerator.
  5. To establish a culture from the frozen state aseptically add 0.5 mL sterile Dryls Salt Solution to an ampule. Immediately place the ampule in a 35°C water bath, until thawed (2-3 min).xa0 Immerse the ampule just sufficient to cover the frozen material. Do not agitate the ampule.
  6. Immediately after thawing, aseptically remove the contents of the ampule and inoculate into 5.0 mL of fresh medium in a 16 x 125 mm screw-capped test tube with a slightly loosened cap. Incubate at 25°C.

Alternative Thawing Procedure

  1. Asepticallyxa0 add 0.5 mL of sterile modified PYNFH medium (ATCC Medium 1034) containing 8% (w/v) sucrose to the ampule.xa0 Immediately, place in a 35°C water bath, until thawed. Immerse the ampule just sufficient to cover the frozen material. Do not agitate the ampule.
  2. Immediately after thawing, aseptically remove the contents of the ampule and gently add the material to the edge of a 20 x 100 mm petri plate containing ATCC Medium 919 (non-nutrient agar) and position on a 15 degree slant. xa0The cell suspension will pool at the edge of the plate.
  3. Continue to double the volume of the cell suspension at 10 minute intervals by adding ATCC medium 1034) containing 4% sucrose (w/v). xa0When the volume reaches 16.0 mL place the plate in horizontal position and incubate at 25°C.xa0
  4. On the following day, gently remove the cell suspension for the plate and transfer to a T-25 tissue culture flask. xa0Note the volume of the suspension and add a volume of fresh medium containing 4% sucrose equal to the volume of xa0the cell suspension. xa0Incubate the culture at 25°C.
  5. After culture has been established subculture into fresh normal medium without sucrose.xa0
Name of Depositor： J Frankel, LM Jenkins
Chain of Custody：
ATCC <-- J Frankel, LM Jenkins <-- F.P. Doerder/L.M. Jenkins
Year of Origin： 1975
References：

Doerder FP, et al. Form and pattern in ciliated protozoa: analysis of a genic mutant with altered cell shape in Tetrahymena pyriformis, Syngen 1. J. Exp. Zool. 192: 237-258, 1975. PubMed: 805822

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