linkedin post 2020-03-22 03:41:07

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COOPERATIVE EVOLUTION. “If RNA fragments self-ligate into self-replicating ribozymes they constitute networks. For example, three-membered networks represent highly cooperative growth behavior. If such networks compete directly with selfish autocatalytic cycles, the former grow faster. This clearly indicates the ability of RNA populations to evolve into higher complexity through cooperation which clearly outruns selfishness.” https://lnkd.in/dWwkKpD View in LinkedIn
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linkedin post 2020-03-22 03:43:54

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COLLABORATIVE GROUPS. “So the results of these interactions may lead to structurally diverse groups with important different biological roles such as the catalytic core of key players of the present RNA world, i.e., ribozymes, self-splicing introns, telomerase and its context-dependent altering gene expression by inducing ribosomal frameshifting in several viruses.” http://europepmc.org/articles/PMC4160522/ View in LinkedIn
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linkedin post 2020-03-22 03:56:58

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GRAMMAR DRIVES MEANING. “In natural languages/codes it is not the structure of syntax that determines the meaning of sequences. In nearly all cases it is the hidden deep grammar which determines meaning for the recipient of the message.” http://europepmc.org/articles/PMC4160522/ View in LinkedIn
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linkedin post 2020-03-22 03:58:28

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EPIGENETIC SIGNATURES. “The deep grammar depends on how the superficial syntax is marked: in the genetic code by epigenetic imprintings or in sign sequences of utterances by gestures and emphasis. In all cases the hidden deep grammar decides whether a competent recipient can understand the intended meaning of the sender or not.” https://lnkd.in/dWwkKpD View in LinkedIn
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linkedin post 2020-03-22 04:05:15

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SO ENDS this original contribution to biology from a philosopher. In particular, the transition from complex chemistry to life, abiogenesis, is at the heart of this. Identification of self, and cooperation are two clear themes. This is not Kipling’s “nature red in tooth and claw” nor the jungle of competition from Darwin, but a more modern synthesis of what drives evolution. View in LinkedIn
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