Roots

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

Many unicellular eukaryotic organisms possess complex fiber systems that organize and anchor the flagellar basal apparatus in the cell [20, 24]. In 1978 we first published the observation that one of these fiber systems, the striated flagellar root of the quadriflagellate green alga Tetraselmis subcordiformis (= Platymonas subcordiformis), is a contractile organelle [31]. We subsequently found that striated flagellar roots are composed, in part, of the Ca2+-binding protein centrin [30]. Since that time, centrin has been found to be a ubiquitous component of the flagellar basal apparatus, basal bodies and centrioles, and centrosomes and mitotic spindle poles of eukaryotic cells (for general reviews see [28, 34]). While we have learned a great deal about centrin from other organisms, our earliest success in understanding the biology of centrin was in large part due to the extraordinary extent to which Tetraselmis cells have elaborated their centrin-based organelles. In this paper, I will return attention to several unanswered questions concerning Tetraselmis striated flagellar root behavior and I will suggest several new directions that students may wish to pursue in order to tease fresh insights from this fascinating organism.

Original languageEnglish (US)
Pages (from-to)28-32
Number of pages5
JournalJournal of Eukaryotic Microbiology
Volume45
Issue number1
DOIs
StatePublished - Jan 1 1998

Keywords

  • Algae
  • Basal bodies
  • Centrin
  • Contractile fibers
  • Roots
  • Tetraselmis

ASJC Scopus subject areas

  • Microbiology

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