Abiogenesis gap closing up.

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Animavore
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Abiogenesis gap closing up.

Post by Animavore » Sat Mar 11, 2017 5:07 pm

"Never argue with Trump supporters, they drag you down to their level then beat you with experience."
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Re: Abiogenesis gap closing up.

Post by Tero » Sat Mar 11, 2017 8:43 pm

sounds interesting, but I wish I had the paper with some pictures or other detail.
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Re: Abiogenesis gap closing up.

Post by Hermit » Sun Mar 12, 2017 2:00 am

Tero wrote:sounds interesting, but I wish I had the paper with some pictures or other detail.
You can. Click on the link to the ratskep post and then follow the ones its author provides. You'll eventually finish up at Pubmed where you can peruse and/or download three full papers, illustrations and all, covering the lot. They are not behind a paywall.

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Re: Abiogenesis gap closing up.

Post by Tero » Sun Mar 12, 2017 2:16 am

OK

Authors actually get funding for doing that, public access.

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Re: Abiogenesis gap closing up.

Post by Tyrannical » Sun Mar 12, 2017 12:18 pm

What exactly is new about this paper? Is it just more supporting evidence? Because the rna theory is not new at all.
A rational skeptic should be able to discuss and debate anything, no matter how much they may personally disagree with that point of view. Discussing a subject is not agreeing with it, but understanding it.

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Re: Abiogenesis gap closing up.

Post by rainbow » Sun Mar 12, 2017 1:10 pm

Crap of course, since the ribosome is way too complex to have formed spontaneously from Prebiotic systems.
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Re: Abiogenesis gap closing up.

Post by Tero » Sun Mar 12, 2017 1:29 pm

Short version: it makes the connection between RNA and peptides more firm

tRNA is the special piece in RNA and DNA and reading the code. It is shaped entirely differently and has the piece to recognize triplets to hang pieces of protein together. So it is actually quite advanced in the sequence of events. Nevertheless, RNA has locked in a special position, nothing new. DNA had to come later, a more stable form than RNA.
The most probable secondary structures for the tRNA-like similarities observed in the tRNA Homology Search above were computed using the RNA Structure Web at the University of Rochester: http://rna.urmc.rochester.edu/RNAstruct ... dict1.html. Two features of the website were utilized. One was the calculation of each tRNA similarity individually; the other was the calculation of the most likely common structure shared by two tRNA. The latter was used specifically to determine whether an rRNA-encoded tRNA similarity retained sufficient identity to a modern E. coli K12 tRNA to fold into the same secondary pattern.
http://www.sciencedirect.com/science/ar ... 9314006778
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Re: Abiogenesis gap closing up.

Post by Animavore » Tue Mar 14, 2017 4:46 pm

rainbow wrote:Crap of course, since the ribosome is way too complex to have formed spontaneously from Prebiotic systems.
That's not what any of the articles say.

Still, I knew this would trigger you. It's why I posted it.
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Re: Abiogenesis gap closing up.

Post by rainbow » Wed Mar 15, 2017 6:12 am

Animavore wrote:
rainbow wrote:Crap of course, since the ribosome is way too complex to have formed spontaneously from Prebiotic systems.
That's not what any of the articles say.
It is what the thread heading implies.
Still, I knew this would trigger you. It's why I posted it.
No :hilarious:
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