Methods for measuring pharyngeal behaviors.

David Raizen, Bo Mi Song, Nick Trojanowski, Young Jai You

Research output: Contribution to journalReview articlepeer-review

26 Scopus citations

Abstract

The pharynx is a neuromuscular pump at the anterior end of the alimentary tract. It is made up of 20 muscle cells, 20 neurons, and 20 other cells. Pharyngeal activity correlates with food intake. The proper feeding rate, as well as the precise timing of pharyngeal movements, is required for efficient feeding and likely for survival in nature. For most purposes, pharyngeal behavioral analysis requires no more than a routine stereomicroscope and a pair of eyes, but accuracy can be increased by video recording followed by off-line analysis in slow motion. Like other C. elegans behaviors, pharyngeal behavior is sensitive to both the immediate environmental conditions as well as to the history of such conditions.

Original languageEnglish (US)
Pages (from-to)1-13
Number of pages13
JournalWormBook : the online review of C. elegans biology
DOIs
StatePublished - 2012
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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