genefish 15:39 on October 4  

Sam’s Notebook: RNA Isolation – Ronit’s C.gigas diploid/triploid dessication/heat shock ctenidia tissues

0000-0002-2747-368X

Isolated RNA from a subset of Ronit’s Crassostrea gigas ctenidia samples (see Ronit’s notebook for experiment deets):

  • D01 C
  • D02 C
  • D19 C
  • D20 C
  • T01 C
  • T02 C
  • T19 C
  • T20 C

RNA was isolated using RNAzol RT (Molecular Research Center) in the following way:

  • Unweighed, frozen tissue transferred to 500uL of RNAzol RT and immediately homogenized with disposable pestle.
  • Added additional 500uL of RNAzol RT and vortexed to mix.
  • Added 400uL of 0.1% DEPC-treated H2O, vortexed and incubated 15mins at RT.
  • Centrifuged 12,000g for 15mins at RT.
  • Transferred 750uL of supernatant to clean tube (discarded remainder), added 1 volume (750uL) of isopropanol, vortexed, and incubated at RT for 10mins.
  • Centrifuged 12,000g for 10mins at RT.
  • Discarded supernatant.
  • Washed pellet with 75% ethanol (made with 0.1% DEPC-treated H2O).
  • Centrifuged 4,000g for 2mins at RT.
  • Discarded supernatant and repeated wash steps.

Pellet was resuspended in 50uL of 0.1% DEPC-treated H2O and stored @ -80oC in Ronit’s temporary box.

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