Maloof Lab:Trizol: Difference between revisions

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#Incubate 10 minutes at room temperature
#Incubate 10 minutes at room temperature
#Centrifuge 12000 rpm for 10 minutes at 4°C
#Centrifuge 12000 rpm for 10 minutes at 4°C
#Discard supernatant and wash pellet in 1 ml 75% ethanol
#Discard supernatant and wash pellet in 1 ml 75% ethanol (made with DEPC water)
#Discard supernatant and wash pellet in 1 ml 75% ethanol
#Discard supernatant and wash pellet in 1 ml 75% ethanol (made with DEPC water)
#Centrifuge at 7000 rpm for 5 minutes at 4°C
#Centrifuge at 7000 rpm for 5 minutes at 4°C
#Air dry for 10 minutes
#Air dry for 10 minutes
#Resuspend in 30μl DDEPC water
#Resuspend in 30μl DEPC water
#Incubate 10 minutes at 55°C
#Incubate 10 minutes at 55°C
#Store at -80°C
#Store at -80°C
Line 26: Line 26:
#Add 1ml DEPC to 1L milli-Q water<br>
#Add 1ml DEPC to 1L milli-Q water<br>
#Let sit overnight
#Let sit overnight
#Autoclave tha next day.
#Autoclave tha next day


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Revision as of 17:23, 17 June 2009

Room 2115
Section of Plant Biology
1002 Life Sciences, One Shields Ave.
University of California Davis
Davis, CA 95616

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RNA extraction with TRIzol (invitrogen cat# 15596-026)


  1. Harvest 100 mg tissue (about 1 leaf) and flash freeze in liquid nitrogen
  2. Add 1ml TRIzol
  3. Homogenize and incubate at room temperature for 5 minutes
  4. Add 200μl chloroform and shake for 15 seconds
  5. Incubate 2 minutes at room temperature
  6. Centrifuge 12000 rpm for 15 minutes at 4°C
  7. Transfer aqueous phase to new tube containing 500μl isopropanol
  8. Incubate 10 minutes at room temperature
  9. Centrifuge 12000 rpm for 10 minutes at 4°C
  10. Discard supernatant and wash pellet in 1 ml 75% ethanol (made with DEPC water)
  11. Discard supernatant and wash pellet in 1 ml 75% ethanol (made with DEPC water)
  12. Centrifuge at 7000 rpm for 5 minutes at 4°C
  13. Air dry for 10 minutes
  14. Resuspend in 30μl DEPC water
  15. Incubate 10 minutes at 55°C
  16. Store at -80°C

1L DEPC water

  1. Add 1ml DEPC to 1L milli-Q water
  2. Let sit overnight
  3. Autoclave tha next day