Generation of transgenic c. elegans by biolistic transformation

Daniel Hochbaum, Annabel A. Ferguson, Alfred L Fisher

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The number of laboratories using the free living nematode C. elegans is rapidly growing. The popularity of this biological model is attributed to a rapid generation time and short life span, easy and inexpensive maintenance, fully sequenced genome, and array of RNAi resources and mutant animals. Additionally, analysis of the C. elegans genome revealed a great similarity between worms and higher vertebrates, which suggests that research in worms could be an important adjunct to studies performed in whole mice or cultured cells. A powerful and important part of worm research is the ability to use transgenic animals to study gene localization and function. Transgenic animals can be created either via microinjection of the worm germline or through the use of biolistic bombardment. Bombardment is a newer technique and is less familiar to a number of labs. Here we describe a simple protocol to generate transgenic worms by biolistic bombardment with gold particles using the Bio-Rad PDS-1000 system. Compared with DNA microinjection into hermaphrodite germline, this protocol has the advantage of not requiring special skills from the operator with regards to identifying worm anatomy or performing microinjection. Further multiple transgenic lines are usually obtained from a single bombardment. Also in contrast to microinjection, biolistic bombardment produces transgenic animals with both extrachromosomal arrays and integrated transgenes. The ability to obtain integrated transgenic lines can avoid the use of mutagenic protocols to integrate foreign DNA. In conclusion, biolistic bombardment can be an attractive method for the generation of transgenic animals, especially for investigators not interested in investing the time and effort needed to become skilled at microinjection.

Original languageEnglish (US)
Article numbere2090
JournalJournal of Visualized Experiments
Issue number42
DOIs
StatePublished - Jan 1 2010
Externally publishedYes

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Biolistics
Microinjections
Genetically Modified Animals
Animals
Genes
DNA
Genome
Biological Models
RNA Interference
Transgenes
Research
Gold
Vertebrates
Cultured Cells
Anatomy
Cells
Maintenance
Research Personnel

Keywords

  • C. elegans
  • Issue 42
  • Microbiology
  • Microparticle bombardment
  • Recombinant DNA
  • Transgene
  • Transgenic animals
  • Unc-119

ASJC Scopus subject areas

  • Neuroscience(all)
  • Chemical Engineering(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

Cite this

Generation of transgenic c. elegans by biolistic transformation. / Hochbaum, Daniel; Ferguson, Annabel A.; Fisher, Alfred L.

In: Journal of Visualized Experiments, No. 42, e2090, 01.01.2010.

Research output: Contribution to journalArticle

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