Observation 138867: Amanita Pers.
When: 2013-07-06
No herbarium specimen

Proposed Names

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At the moment,…
By: R. E. Tulloss (ret)
2013-07-07 02:21:06 CEST (+0200)

here’s what we know about A. solaniolens.

We have three taxa that I thought were different: sp-CR18, sp-N20, and __sp-O02 (that’s oh-zero-two). When we started to get DNA from these collections, the so-called “provisional barcode gene” (nrITS) came up essentially the same for all three. This despite the fact that the color of the partial and universal veils in sp-N20 are yellow and __sp-CR18_ tends to bruise reddish. I would place your images with sp-O02.

Dr. Hughes (Univ. of Tenn.), who is directing the sequencing of several of the taxa for which we’re looking this summer, is doing two genes for each species in the project at present. The second is a large fragment (a little less than half) of a gene adjacent to nrITS called nrLSU (or synonymously n28S). It is the blueprint for the largest part of a ribosome (sort of a punch-tape reader that converts DNA blueprints for proteins into proteins). So we will also get nrLSU gene pieces (all the same segment of nrLSU) from samples with the three different names on them. We will see if nrLSU provides us with any differences between the organisms to which the three names are attached. The Amanita solaniolens, based on its original description, is apparently closer to the North American sp-lavendula0X group than to brunnescens…for both genetic sequence and morphological feature reasons.

Eva, may we have a bit of this material if you find some for drying?

Very best,

Rod

look
By: Eva Skific (Evica)
2013-07-07 01:54:13 CEST (+0200)

promising

I always jump
By: Josh M.K. (suchen)
2013-07-06 23:24:49 CEST (+0200)

the solaniolens gun, but… maybe?

Created: 2013-07-06 22:49:45 CEST (+0200)
Last modified: 2013-07-06 22:49:49 CEST (+0200)
Viewed: 34 times, last viewed: 2014-03-10 16:52:07 CET (+0100)
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