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Microbes and paleoenvironments

Microbes and paleoenvironments Among the world’s biotas, microbes are generally recognized to play the most significant role in Earth‐surface environmental change and are sensitive to changing conditions, with some being opportunists capable of tolerating and exploiting extreme changes in environments. Thus, the interaction between biosphere and geosphere has been widely recorded by the microbial world, but the ancient microbial world is extremely difficult to explore because of the effects of two critical issues. The first arises from poor preservation of ancient microbial fingerprints owing to the lack of skeletons in most cases. Thus, knowledge of the evolutionary history of microbes is less well developed in contrast to faunas and plants. The second comes from the difficulty of precise identification of preserved microbial genera and species on the basis of morphological examination. To deal with these two issues, development of ideas and application of new techniques are needed. Microscopic study at molecular levels is a general tendency of life science, through which new techniques and methods are increasingly being developed and could be used to explore ancient microbes. An integration of modern and geological processes is also necessary to explore the microbial world, in particular the microbial functional groups, which play the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geobiology Wiley

Microbes and paleoenvironments

XIE, S.; Kershaw, S.
Geobiology , Volume 10 (1) – Jan 1, 2012
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Publisher
Wiley
Copyright
© 2011 Blackwell Publishing Ltd
ISSN
1472-4677
eISSN
1472-4669
DOI
10.1111/j.1472-4669.2011.00311.x
pmid
22168222
Publisher site
See Article on Publisher Site

Abstract

Among the world’s biotas, microbes are generally recognized to play the most significant role in Earth‐surface environmental change and are sensitive to changing conditions, with some being opportunists capable of tolerating and exploiting extreme changes in environments. Thus, the interaction between biosphere and geosphere has been widely recorded by the microbial world, but the ancient microbial world is extremely difficult to explore because of the effects of two critical issues. The first arises from poor preservation of ancient microbial fingerprints owing to the lack of skeletons in most cases. Thus, knowledge of the evolutionary history of microbes is less well developed in contrast to faunas and plants. The second comes from the difficulty of precise identification of preserved microbial genera and species on the basis of morphological examination. To deal with these two issues, development of ideas and application of new techniques are needed. Microscopic study at molecular levels is a general tendency of life science, through which new techniques and methods are increasingly being developed and could be used to explore ancient microbes. An integration of modern and geological processes is also necessary to explore the microbial world, in particular the microbial functional groups, which play the

Journal

Geobiology – Wiley

Published: Jan 1, 2012

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