Leishmania chagasi Cunha and Chagas

Leishmania chagasi Cunha and Chagas

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编号:TS170782

品牌:Testobio

产品名称：	Leishmania chagasi Cunha and Chagas
商品货号：	TS170782
Deposited As：	Leishmania donovani chagasi
Strain Designations：	MHOM/BR/74/PP75
Application：	Vector borne research
Biosafety Level：	2 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：	Child, Ituacu, Bahia, Brazil, 1974
Product Format：	frozen
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：	WHO reference strain. Promastigotes.
Medium：	ATCC^® Medium 807: Brain heart infusion blood agar ATCC^® Medium 1011: Diphasic blood agar medium ATCC^® Medium 1012: Diphasic blood agar medium ATCC^® Medium 431: Trypanosome medium ATCC^® Medium 2736: M199, Modified Medium
Growth Conditions：	Temperature: 20°C to 25°C (room temperature) Atmosphere: Aerobic
Cryopreservation：	Reagents Cryoprotective Solution DMSO 1.0 mL Fresh growth medium* 9.0 mL when blood-agar media is used, the liquid overlay can be used to prepare the cryoprotective solution Harvest and Preservation* Harvest cells from a culture which is at or near peak density by centrifugation at 1,300 g for 5 min. Adjust concentration of cells to 2 x 10⁷/mL in fresh medium. While cells are centrifuging prepare a 10% (v/v) solution of sterile DMSO in fresh medium (broth or liquid overlay from blood agar).xa0 The DMSO solution when first prepared will warm up due to chemical heat. The solution should be allowed to return to room temperature prior to use. Mix the cell preparation and the DMSO solution in equal portions. The final concentration will be 10⁷ cells/mL and 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 more than 15 min. Dispense in 0.5 mL aliquots into 1.0 - 2.0 mL sterile plastic screw-capped cryules (special plastic vials for cryopreservation). Place the ampules in a Nalgene 1ºC 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.)xa0xa0 Store in either the vapor or liquid phase of a nitrogen refrigerator. To thaw a frozen ampule, place it in a 35ºC water bath such that the lip of the ampule remains above the water line. Thawing time is approximately 2 to 3 minutes.xa0 Do not agitate the ampule.xa0 Do not leave ampule in water bath after thawed. Immediately after thawing, aseptically transfer contents to a screw-capped borosilicate glass test tube containing an appropriate blood-agar medium (i.e., ATCC Medium 807).xa0 Alternatively, inoculate 10 mL complete ATCC medium 2736 in a T-25 flask or screw-capped test tube.xa0 Incubate culture tubes vertically at 20-25°C with the caps screwed on tightly; flask cultures should be incubated flat. Maintain as described above.
Name of Depositor：	WRAIR
Chain of Custody：	ATCC
Year of Origin：	1974
References：	Lainson R, et al. Experimental transmission of Leishmania chagasi, causative agent of neotropical visceral leishmaniasis, by the sandfly Lutzomyia longipalpis. Nature 266: 628-630, 1977. PubMed: 859627 Ann. Trop. Med. Parasitol. 75: 251-253, 1981.

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Leishmania chagasi Cunha and Chagas

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产品名称：	Leishmania chagasi Cunha and Chagas
商品货号：	TS170782
Deposited As：	Leishmania donovani chagasi
Strain Designations：	MHOM/BR/74/PP75
Application：	Vector borne research
Biosafety Level：	2 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：	Child, Ituacu, Bahia, Brazil, 1974
Product Format：	frozen
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：	WHO reference strain. Promastigotes.
Medium：	ATCC^® Medium 807: Brain heart infusion blood agar ATCC^® Medium 1011: Diphasic blood agar medium ATCC^® Medium 1012: Diphasic blood agar medium ATCC^® Medium 431: Trypanosome medium ATCC^® Medium 2736: M199, Modified Medium
Growth Conditions：	Temperature: 20°C to 25°C (room temperature) Atmosphere: Aerobic
Cryopreservation：	Reagents Cryoprotective Solution DMSO 1.0 mL Fresh growth medium* 9.0 mL when blood-agar media is used, the liquid overlay can be used to prepare the cryoprotective solution Harvest and Preservation* Harvest cells from a culture which is at or near peak density by centrifugation at 1,300 g for 5 min. Adjust concentration of cells to 2 x 10⁷/mL in fresh medium. While cells are centrifuging prepare a 10% (v/v) solution of sterile DMSO in fresh medium (broth or liquid overlay from blood agar).xa0 The DMSO solution when first prepared will warm up due to chemical heat. The solution should be allowed to return to room temperature prior to use. Mix the cell preparation and the DMSO solution in equal portions. The final concentration will be 10⁷ cells/mL and 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 more than 15 min. Dispense in 0.5 mL aliquots into 1.0 - 2.0 mL sterile plastic screw-capped cryules (special plastic vials for cryopreservation). Place the ampules in a Nalgene 1ºC 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.)xa0xa0 Store in either the vapor or liquid phase of a nitrogen refrigerator. To thaw a frozen ampule, place it in a 35ºC water bath such that the lip of the ampule remains above the water line. Thawing time is approximately 2 to 3 minutes.xa0 Do not agitate the ampule.xa0 Do not leave ampule in water bath after thawed. Immediately after thawing, aseptically transfer contents to a screw-capped borosilicate glass test tube containing an appropriate blood-agar medium (i.e., ATCC Medium 807).xa0 Alternatively, inoculate 10 mL complete ATCC medium 2736 in a T-25 flask or screw-capped test tube.xa0 Incubate culture tubes vertically at 20-25°C with the caps screwed on tightly; flask cultures should be incubated flat. Maintain as described above.
Name of Depositor：	WRAIR
Chain of Custody：	ATCC
Year of Origin：	1974
References：	Lainson R, et al. Experimental transmission of Leishmania chagasi, causative agent of neotropical visceral leishmaniasis, by the sandfly Lutzomyia longipalpis. Nature 266: 628-630, 1977. PubMed: 859627 Ann. Trop. Med. Parasitol. 75: 251-253, 1981.

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