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NNTP-Posting-Date: Wed, 20 Nov 2024 18:01:47 +0000
From: Joe Gwinn <joegwinn@comcast.net>
Newsgroups: sci.electronics.design
Subject: Re: OT: scientists recreate mouse from gene older than animal life
Date: Wed, 20 Nov 2024 13:01:46 -0500
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On Wed, 20 Nov 2024 11:50:27 +0800, Sylvia Else <sylvia@email.invalid>
wrote:

>On 19-Nov-24 1:35 pm, Jan Panteltje wrote:
>> Scientists recreate mouse from gene older than animal life
>>   https://www.sciencedaily.com/releases/2024/11/241118125716.htm
>>    New research sheds light on evolutionary origins of stem cells with groundbreaking experiment to create mouse using ancient genetic tools
>>   
>
>The article title is, if not actually misleading, inclined to mislead.
>
>An uninitiated reader might construe this as meaning that the 
>researchers more or less created a mouse from scratch. But it's clear 
>that that's not what happened. Rather, they've taken a non-stem cell 
>from a mouse and created a mouse stem cell from it.

I chased down the underlying article, which was unlocked for all.  The
article made sense.  I think the problem with the Science Daily
article is that the writer had no idea what they were looking at.

What was done is that an ancient functional piece was installed in a
modern mouse egg replacing the modern descendent of that piece, and it
still worked normally in the resulting mouse pup.  This piece is quite
ancient, and yet has remained essentially unchanged to this day.

Joe Gwinn