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Thread: RNA world

  1. #1 RNA world 
    WYSIWYG Moderator marnixR's Avatar
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    is this real news or old news ? sometimes it's hard to tell from a newspaper article

    Found: the origin of life

    ok, so the content doesn't actually warrant the title, and building 2 out of 4 building blocks is still some way away from building a full RNA molecule, but not having access to the full Nature article it's hard for me to decide

    (a) whether this is actually new
    (b) whether this really represents progress
    (c) whether we really are a lot closer to making RNA from scratch

    anyone able to enlighten me ?


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  3. #2  
    Forum Cosmic Wizard paralith's Avatar
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    I'm not an expert on this but according to other people I've talked to who are:

    (a) Yes this is actually new
    (b) This represents extremely strong support for abiogenesis in general and RNA world hypothesis in particular
    (c) apparently we are, I hear getting the phsophate on is the hard part.

    I have the PDF of the article. PM me with an email address and it's yours.

    Edit: for those of you whom I haven't told already, I like to keep a standing offer to get people articles if I can. If you should ever find an article you'd like to read but can't access PM me with the reference and an email address and I'll see what I can do. I just reserve the right to take my sweet time if I'm busy.


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  4. #3  
    Forum Cosmic Wizard spuriousmonkey's Avatar
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    I just read the news story on nature news, but they seemed to claim that the essence was how easy it was to recreate part of the RNA world. I.e. it was much easier than previously assumed.
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  5. #4  
    Moderator Moderator TheBiologista's Avatar
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    Yes, the conditions under which they generated the two nucleotides were quite well within the expected conditions for the early earth. And they seem to rule out the concept that abiogenesis might have occurred near hydrothermal vents. UV was involved, which supports the rock pool idea.
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  6. #5  
    WYSIWYG Moderator marnixR's Avatar
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    was UV a necessary condition, or are alternative energy sources also an option ?
    "Reality is that which, when you stop believing in it, doesn't go away." (Philip K. Dick)
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  7. #6  
    Moderator Moderator TheBiologista's Avatar
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    Quote Originally Posted by marnixR
    was UV a necessary condition, or are alternative energy sources also an option ?
    Seems it was in this case, but I have yet to read the paper in full.
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