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How many novel eukaryotic 'kingdoms'? Pitfalls and limitations of environmental DNA surveys

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Published in BMC Biology. 2004, vol. 2, p. 13
Abstract Over the past few years, the use of molecular techniques to detect cultivation-independent, eukaryotic diversity has proven to be a powerful approach. Based on small-subunit ribosomal RNA (SSU rRNA) gene analyses, these studies have revealed the existence of an unexpected variety of new phylotypes. Some of them represent novel diversity in known eukaryotic groups, mainly stramenopiles and alveolates. Others do not seem to be related to any molecularly described lineage, and have been proposed to represent novel eukaryotic kingdoms. In order to review the evolutionary importance of this novel high-level eukaryotic diversity critically, and to test the potential technical and analytical pitfalls and limitations of eukaryotic environmental DNA surveys (EES), we analysed 484 environmental SSU rRNA gene sequences, including 81 new sequences from sediments of the small river, the Seymaz (Geneva, Switzerland).
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PMID: 15176975
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BERNEY, Cédric, FAHRNI, José, PAWLOWSKI, Jan Wojciech. How many novel eukaryotic 'kingdoms'? Pitfalls and limitations of environmental DNA surveys. In: BMC Biology, 2004, vol. 2, p. 13. https://archive-ouverte.unige.ch/unige:82107

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Deposited on : 2016-03-24

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