Path: ...!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Mon, 13 May 2024 01:32:22 +0000 From: John Larkin Newsgroups: sci.electronics.design Subject: Re: OT: Dynamic DNA structures and the formation of memory Date: Sun, 12 May 2024 18:30:32 -0700 Organization: Highland Tech Reply-To: xx@yy.com Message-ID: <77r24jloc6k59o98o9nb47j8ul3n3ngh6a@4ax.com> References: X-Newsreader: Forte Agent 3.1/32.783 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 38 X-Trace: sv3-iit45ByyXFXdmdrTAefd6FaTGlGrO+1mq2J/9L5StwCEyOehMgOFds8JcHYWAFkEwt+rauZj1o3DluN!eK1XN2QdcDnIObrSFuviDDumVlbfy4wHS6rZ8WpQsJ/3ihop07CrKNnp3WRjvINejpUv7dq/XB+V!IvfkNw== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2828 On Sun, 12 May 2024 21:21:56 -0400, "Tom Del Rosso" wrote: >John Larkin wrote: >> On Sun, 05 May 2024 05:36:06 GMT, Jan Panteltje >> 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.