linkedin post 2018-02-19 06:16:43

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MICROBIAL RECOMBINATION. “This constraint might be taken as a barrier to interspecific exchange and could be used as an upper limit in the delineation of a microbial species. Yet the mismatch correction system (the principal obstacle to heterologous exchange) provides at best a leaky and imprecise barrier.” https://lnkd.in/djKBnru View in LinkedIn
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linkedin post 2018-02-19 06:14:48

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RECOMBINATION CONSTRAINTS. “Homologous recombination is, to be sure, strongly constrained by degree of sequence difference and the nature of the machinery involved. Many careful studies show, not unexpectedly, that the ease with which genes recombine declines dramatically as their sequences diverge.” https://lnkd.in/djKBnru View in LinkedIn
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linkedin post 2018-02-21 06:06:22

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LINEAGE QUESTIONS. “Horizontal gene transfer leads to genomes whose constituent genes have different evolutionary histories. Can one retain the concept of a single organismal lineage in the face of apparently frequent horizontal gene transfer, or is this concept fatally flawed?” https://lnkd.in/djKBnru View in LinkedIn
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