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      The molecularly-uncharacterized component of nonliving organic matter in natural environments

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          Most cited references54

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          Sedimentary organic matter preservation: an assessment and speculative synthesis

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            A molecular view of microbial diversity and the biosphere.

            N Pace (1997)
            Over three decades of molecular-phylogenetic studies, researchers have compiled an increasingly robust map of evolutionary diversification showing that the main diversity of life is microbial, distributed among three primary relatedness groups or domains: Archaea, Bacteria, and Eucarya. The general properties of representatives of the three domains indicate that the earliest life was based on inorganic nutrition and that photosynthesis and use of organic compounds for carbon and energy metabolism came comparatively later. The application of molecular-phylogenetic methods to study natural microbial ecosystems without the traditional requirement for cultivation has resulted in the discovery of many unexpected evolutionary lineages; members of some of these lineages are only distantly related to known organisms but are sufficiently abundant that they are likely to have impact on the chemistry of the biosphere.
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              Organic geochemical proxies of paleoceanographic, paleolimnologic, and paleoclimatic processes

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                Author and article information

                Journal
                Organic Geochemistry
                Organic Geochemistry
                Elsevier BV
                01466380
                October 2000
                October 2000
                : 31
                : 10
                : 945-958
                Article
                10.1016/S0146-6380(00)00096-6
                c1e16c69-47c6-4fa6-a771-24df2d991945
                © 2000

                http://www.elsevier.com/tdm/userlicense/1.0/

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