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  The Ward lab at UC Santa Cruz

cku-80 RNAi

  • Streak out cku-80 RNAi strain on LB+Amp+Tet.  Also streak out a positive control that produces a visible phenotype (ie. nhr-25).

  • Pick single colony into 50 mls of LB+Amp, grow overnight at 37ºC, shaking at 225 rpm.

  • Pellet culture at 4000 rpm, 15 minute, remove supernatant and resuspend pellet in 5 mls of LB+Amp.  I use this stock for up to 2 weeks.

  • Seed 6 cm RNAi plates with 50 µl of the concentrated cku-80 and positive control RNAi bacteria; leave overnight on the bench to induce. I prefer to seed the plates freshly and put worms on the next day.

  • Pick four adult pha-1(ts) worms onto the seeded RNAi plates. Incubate at 15ºC.  It typically takes 7-8 days to get adults in the F1 generation that one can inject.  Confirm RNAi efficacy with the positive control.

  • If one expects to be injecting frequently, plate pha-1(ts) on cku-80 RNAi daily during the work week.
Strain maintenance
Construct and oligo design
PU6::sgRNA templates by PCR fusion
Injections
FAQs
PDF of methods and consideration
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