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From: Jeroen Belleman <jeroen@nospam.please>
Newsgroups: sci.electronics.design
Subject: Re: OT: Dynamic DNA structures and the formation of memory
Date: Mon, 13 May 2024 17:01:27 +0200
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On 5/13/24 16:10, John Larkin wrote:
> On Mon, 13 May 2024 10:30:09 +0200, Jeroen Belleman
> <jeroen@nospam.please> wrote:
> 
>> On 5/13/24 03:30, John Larkin wrote:
>>> On Sun, 12 May 2024 21:21:56 -0400, "Tom Del Rosso"
>>> <fizzbintuesday@that-google-mail-domain.com> wrote:
>>>
>>>> John Larkin wrote:
>>>>> On Sun, 05 May 2024 05:36:06 GMT, Jan Panteltje
>>>>> <pNaonStpealmtje@yahoo.com> wrote:
>>>>>
>>>>>> Dynamic DNA structures and the formation of memory
>>>>>> https://www.sciencedaily.com/releases/2024/05/240501125755.htm
>>>>>> Summary:
>>>>>> An international collaborative research team has discovered that
>>>>>> G-quadraplex DNA (G4-DNA) accumulates in neurons and dynamically
>>>>>> controls the activation and repression of genes underlying long-term
>>>>>> memory formation.
>>>>>>
>>>>>>
>>>>>>
>>>>>> I have always though that memory could be stored as DNA sequenxes...
>>>>>
>>>>> More likely RNA or some other protein.
>>>>>
>>>>> The oft-mocked Lamarckian concept, of genetic learning (not just
>>>>> natural selection) is probably real, and some reverse transcription
>>>>> does happen, namely that DNA is edited within the life of one
>>>>> organism. But remembering where you left your glasses is probably
>>>>> handled at a lower level than editing your chromosones.
>>>>
>>>> But how can it be passed down as Lamarck thought, if the eggs in the
>>>> ovaries are formed early? If genetic memory could be passed down it
>>>> would be only from the father because sperm are formed recently. But the
>>>> sperm spawn from local cells. If DNA is edited to store memory then
>>>> would these changes be duplicated in all cells in all tissues? How else
>>>> would the changes get into sperm cells? How could they get into eggs?
>>>>
>>>
>>> If it is advantageous for a woman's life experiences to be passed onto
>>> her children, nature will find a way.
>>>
>>
>> Yes, it's called 'education'. No need to invent improbable
>> mechanisms without scientific basis.
>>
>> Jeroen Belleman
> 
> No sense in dismissing possibilities because you don't like them. That
> applies to biology and electronics. Nature invents "improbable
> mechanisms" which have a "scientific basis" when shown to exist.
> 
> The ideas of jumping genes, reverse transcription, and epignetic
> switching were all mocked, known to be impossible, by the rigid
> neo-Darwinists. I think there's all sorts of cool stuff waiting for
> old farts to die so they can be considered and discovered.
> Mitochondria are sadly neglected.
> 
> Evolution by random mutation and natural selection is for losers.
> Losers are also known as lunch.
> 

You missed your vocation. You should have become a biologist.


> Most people, including most engineers, are instantly hostile to
> unauthorized ideas. That's fine with me... it leaves me more stuff to
> invent and sell.
> 

Most people judge the validity of new ideas in the context of their
knowledge base. You have to have some way to quickly weed out
the torrent of harebrained ideas, or you wouldn't get anything
done at all. Yes, this can backfire.

Jeroen Belleman