[Nhcoll-l] Best practices for transferring specimens from RNAlater to ethanol + transferring specimens from -80 to room temp

Shoobs, Nate shoobs.1 at osu.edu
Wed Jul 1 17:41:53 EDT 2026


Hey all,
I have some specimens coming in to our collection soon that have been preserved in RNAlater, but have  been successfully sequenced and are vouchers for a forthcoming publication.
The specimens will mainly serve as morphological vouchers now, as they have been sequenced to the extent that they likely ever will be (transcriptomes have been successfully sequenced).
The RNAlater seems like it might not be a good long-term storage solution for morphological vouchers.

Does any other collection have experience with:

  1.
transferring RNAlater specimens to ethanol (70%)
  2.
deciding whether to store a specimen at -80 long term, vs transitioning it to room temp storage

Best,
Nate

--
[The Ohio State University]
Nathaniel F. Shoobs
Curator of Mollusks
College of Arts & Sciences Dept. of Evolution, Ecology, and Organismal Biology
Museum of Biological Diversity, 1315 Kinnear Rd, Columbus, OH 43212
614-688-1342 (Office)
mbd.osu.edu/collections/invertebrates<https://mbd.osu.edu/collections/invertebrates>
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