In vivo cell biology in zebrafish - providing insights into vertebrate development and disease

Ana M. Vacaru, Gokhan Unlu, Marie Spitzner, Marina Mione, Ela W. Knapik, Kirsten C. Sadler

Research output: Contribution to journalArticlepeer-review


Over the past decades, studies using zebrafish have significantly advanced our understanding of the cellular basis for development and human diseases. Zebrafish have rapidly developing transparent embryos that allow comprehensive imaging of embryogenesis combined with powerful genetic approaches. However, forward genetic screens in zebrafish have generated unanticipated findings that are mirrored by human genetic studies: disruption of genes implicated in basic cellular processes, such as protein secretion or cytoskeletal dynamics, causes discrete developmental or disease phenotypes. This is surprising because many processes that were assumed to be fundamental to the function and survival of all cell types appear instead to be regulated by cell-specific mechanisms. Such discoveries are facilitated by experiments in whole animals, where zebrafish provides an ideal model for visualization and manipulation of organelles and cellular processes in a live vertebrate. Here, we review well-characterized mutants and newly developed tools that underscore this notion. We focus on the secretory pathway and microtubule-based trafficking as illustrative examples of how studying cell biology in vivo using zebrafish has broadened our understanding of the role fundamental cellular processes play in embryogenesis and disease.

Original languageEnglish (US)
Pages (from-to)485-495
Number of pages11
JournalJournal of Cell Science
Issue number3
StatePublished - Feb 1 2014


  • Microtubule transport
  • Protein secretion
  • Vesicular transport
  • Zebrafish

ASJC Scopus subject areas

  • Cell Biology


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