Isolation and Characterization of Chlamydomonas reinhardtii Mutants with Defects in the Induction of Flagellar Protein Synthesis after Deflagellation,

PAUL A. LEFEBVRE, SARA‐ELLEN ‐E BARSEL, DANIEL E. WEXLER

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Amputating the flagella of Chlamydomonas reinhardtii stimulates increased synthesis of many flagellar proteins within 30 min. We have isolated a series of mutants which are defective in this stimulation, taking advantage of the fact that cells which cannot stimulate flagellar protein synthesis cannot regenerate flagella. More than a dozen mutants which have flagella, but cannot regenerate them after amputation, were isolated and studied by in vivo labeling to identify those non‐regenerator mutants which were specifically defective in the induction of flagellar protein synthesis. Ten such mutants have been identified, and in each of them flagellar amputation does not stimulate the synthesis of any of the major flagellar proteins. At least four of the mutants display an interesting conditional phenotype. The synthesis of flagellar proteins after deflagellation is defective only in gametic cells; vegetative cells of these mutants are capable of flagellar protein synthesis after flagellar amputation.

Original languageEnglish (US)
Pages (from-to)559-564
Number of pages6
JournalThe Journal of Protozoology
Volume35
Issue number4
DOIs
StatePublished - Nov 1988

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