Difference between revisions of "UW-Stout/Bud Scars FA22"

From SGD-Wiki
Jump to: navigation, search
(Created page with " '''Materials''' *Wild type yeast culture *Knockout yeast culture *1.7ml microcentrifuge tube (1 for each culture) *Calcofluor White Stain Kit Reagent B- Calcofluor White (1....")
 
Line 15: Line 15:
 
#Preserve cellular architecture and the composition of cells by adding 3.7% of formaldehyde and yeast cells to equal 1 ml of liquid
 
#Preserve cellular architecture and the composition of cells by adding 3.7% of formaldehyde and yeast cells to equal 1 ml of liquid
 
#Vortex briefly and let sit for 50 minutes
 
#Vortex briefly and let sit for 50 minutes
#Centrifuge (13k for 60 seconds) to make a pellet and remove liquid without disrupting pellet
+
#Centrifuge (13k for 60 seconds) to make a pellet and remove liquid without disrupting the pellet
#Add 1 ml of water, vortex briefly, centrifuge (13k for 60 seconds), remove liquid without disrupting pellet
+
#Add 1 ml of water, vortex briefly, centrifuge (13k for 60 seconds), and remove liquid without disrupting the pellet
 
#Repeat steps 4 and 5
 
#Repeat steps 4 and 5
#Pellet, remove liquid, and suspend in 10 ul of calcofluor
+
#Pellet, remove liquid and suspend in 10 ul of calcofluor
 
#Incubate at room temperature for 5 minutes
 
#Incubate at room temperature for 5 minutes
 
#Centrifuge (13k for 60 seconds) remove liquid
 
#Centrifuge (13k for 60 seconds) remove liquid
 
#Add 1 ml of water, vortex briefly, centrifuge (13k for 60 seconds), remove liquid
 
#Add 1 ml of water, vortex briefly, centrifuge (13k for 60 seconds), remove liquid
 
#Resuspend pellet in 50 ul of water
 
#Resuspend pellet in 50 ul of water
#Mount on slide (5ul) and cover with coverslip using petroleum jelly around the edges of the coverslip to prevent loss of moisture
+
#Mount on the slide (5ul) and cover with a coverslip using petroleum jelly around the edges of the coverslip to prevent loss of moisture
 
#Put a paper towel below and above and cover with a heavy object for 10 minutes
 
#Put a paper towel below and above and cover with a heavy object for 10 minutes
#Look at the cells under a microscope and observe the amount of bud scars on each cell. View 100 different cells
+
#Look at the cells under a microscope and observe the number of bud scars on each cell. View 100 different cells

Revision as of 14:16, 20 December 2022


Materials

  • Wild type yeast culture
  • Knockout yeast culture
  • 1.7ml microcentrifuge tube (1 for each culture)
  • Calcofluor White Stain Kit Reagent B- Calcofluor White (1.0g), Evans Blue Dye (0.4g), and demineralized Water (1000.0ml) (10 ul for each culture)
  • Glass Microscope Slide
  • Coverslip
  • Microscope
  • Distilled Water ()

Procedure

  1. Gather materials
  2. Preserve cellular architecture and the composition of cells by adding 3.7% of formaldehyde and yeast cells to equal 1 ml of liquid
  3. Vortex briefly and let sit for 50 minutes
  4. Centrifuge (13k for 60 seconds) to make a pellet and remove liquid without disrupting the pellet
  5. Add 1 ml of water, vortex briefly, centrifuge (13k for 60 seconds), and remove liquid without disrupting the pellet
  6. Repeat steps 4 and 5
  7. Pellet, remove liquid and suspend in 10 ul of calcofluor
  8. Incubate at room temperature for 5 minutes
  9. Centrifuge (13k for 60 seconds) remove liquid
  10. Add 1 ml of water, vortex briefly, centrifuge (13k for 60 seconds), remove liquid
  11. Resuspend pellet in 50 ul of water
  12. Mount on the slide (5ul) and cover with a coverslip using petroleum jelly around the edges of the coverslip to prevent loss of moisture
  13. Put a paper towel below and above and cover with a heavy object for 10 minutes
  14. Look at the cells under a microscope and observe the number of bud scars on each cell. View 100 different cells