RNA Isolation – Pinto Abalone Larvae from 20110930

Isolated RNA from pinto abalone larvae that were sampled on 20110930. Samples were provided by Liza.

Due to large volumes of sea water in each sample (ranging from 500uL to 2000uL), samples had to be thawed entirely and then as much sea water was removed as physically possible. Samples were homogenized in 500uL of TriReagent (Molecular Research Center). An additional 200uL of TriReagent was added to each sample after homogenization to bring the final sample volume to ~1000uL. Samples were then processed according to the manufacturer’s protocol. Samples were resuspended in 50uL of 0.1% DEPC-treated H2O, heated at 55C for 10mins to coax the RNA into solution and spec’d.


Yields seem excellent (~80ug of total RNA per sample) as do the OD260/280 ratios. RNA will be stored @ -80C (will pass samples to Liza to decide on the physical location in the -80C) until a decision is made on what to do with the samples next.

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