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Impact of molecular approaches on dinoflagellate taxonomy and systematics

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posted on 2023-05-22, 19:47 authored by Christopher BolchChristopher Bolch
Dinoflagellates are a functionally diverse group of organisms, rich in morphological complexity and features, that has formed the basis of a well-developed classical taxonomy. Their extensive fossil record of resistant resting stages (dinocysts) is unique among protists and has supported a comparatively early development of detailed evolutionary theories to explain their apparent morphological diversity. This chapter presents a historical perspective of the application and impact of molecular approaches on the taxonomy, systematics, and phylogenetic theory of dinoflagellates. Application of molecular approaches are described as overlapping phases, beginning in the 1980s with early investigations of DNA structure and phylogenetic affinities among other protists; followed by four phases of molecular-driven discovery: (I) Challenging existing evolutionary theories; (II) Discovering widespread cryptic diversity; (III) Increased taxon and gene sampling; and (IV) Technology-accelerated diversity discovery. Current hurdles to all-of community molecular identification are discussed, and the potential of integrated molecular, fluidics, and imaging to enable high-throughput single-cell ‘omics and identity-linked molecular data for dinoflagellate taxonomy.

History

Publication title

Advances in Phytoplankton Ecology: Applications of Emerging Technologies

Editors

LA Clementson, RS Eriksen and A Willis

Pagination

81-117

ISBN

9780128228616

Department/School

Institute for Marine and Antarctic Studies

Publisher

Elsevier Science Inc

Place of publication

Netherlands

Extent

15

Rights statement

Copyright 2022 Elsevier Inc

Repository Status

  • Restricted

Socio-economic Objectives

Marine biodiversity; Expanding knowledge in the biological sciences

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