linkedin post 2018-03-12 05:33:42

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PARALLEL IN EUKARYOTES. “The similarity to the pattern seen in some multi-cellular eukaryotes, such as aphids, that alternate between parthenogenetic and sexual reproduction is suggestive: both reproduce asexually in benign conditions, switching to a genetic-diversity-generating mechanism when conditions are harsh.” https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8 View in LinkedIn
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linkedin post 2018-03-11 05:25:45

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BEAUTY MUSCLES. “When well developed, the two modioli make the mouth soft and provide the lateral boundaries of its natural esthetic unit, making the inferior portion of the face quite separate from the middle one.” https://page-one.live.cf.public.springer.com/pdf/preview/10.1007/s00238-001-0333-9 View in LinkedIn
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linkedin post 2018-03-12 05:31:23

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PROFOUND IMPLICATIONS. “One study carried out a full genomic assessment of several hundred individual marine bacteria ( Vibrio splendidus ) collected at the same location and found essentially no two alike. The potential implications of widespread acquisition genetics via horizontal gene transfer for an understanding of evolution are profound.” https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8 View in LinkedIn
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linkedin post 2018-03-12 05:28:38

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UNIQUE NOVELTY. “Prokaryotes do not generate genetic variability through transmission genetics, but they acquire genetic novelty through acquisition genetics—the acquisition of genes directly from the environment via mechanisms not involving reproduction. Routine acquisition genetics, uncoupled from reproduction, simply does not occur among multi-cellular eukaryotes.” https://lnkd.in/ewnQ9Vg View in LinkedIn
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linkedin post 2018-03-12 05:25:55

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NEW VIEWPOINT. “This multi-cellular eukaryotes-centric viewpoint errs in completely omitting the role of horizontal gene transfer —acquisition genetics—in generating vast genetic variation among prokaryotes—much more than transmission genetics does in multi-cellular eukaryotes.” https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8 View in LinkedIn
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linkedin post 2018-03-12 05:23:32

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OLD MONO-LINEAR VIEWPOINT. “Essentially, every prokaryote is its own lineage, either dying, budding off, or splitting into daughter cells that are clones of the parent, in the process of asexual reproduction. … Daughter cells are clones, with the same DNA as the parent cell, so they are already well adapted to the microenvironment.” https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8 View in LinkedIn
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linkedin post 2018-03-14 05:52:44

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DISRUPTIVE CONCEPT. “The occurrence of large-scale horizontal gene transfer certainly has the potential to disrupt the notion of lineages, shared evolutionary fate, or shared evolutionary history, three of the key constraints on species concepts useful for biodiversity studies.” https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8 View in LinkedIn
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linkedin post 2018-03-13 06:05:01

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HORIZONTAL WORLD. “However, none of the species concepts as applied to prokaryotes satisfy any of those conditions. Paraphrasing Hey, the problems involve both the theoretical understanding of how prokaryotes exist in nature and the operational methods for identifying prokaryotic species.” https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8 View in LinkedIn
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