Definition of phalloidin in English:

noun

• The toxin present in the death cap toadstool. It is a peptide with seven amino acids in a ring structure bridged by a sulphur atom.

  Example sentences

  • ‘Actin was localized using rhodamine-conjugated phalloidin.’
  • ‘Egg chambers were stained with Alexa 488-labeled phalloidin to reveal actin-rich structures (blue).’
  • ‘In a double-labeled red cell with rhodamine phalloidin and F1 - PE, the lipid pattern is again accompanied by a weaker, dim but observable perturbation of the actin distribution.’
  • ‘However, since phalloidin stabilizes F-actin structure and virtually abolishes the dissociation of actin monomers from filament ends, it also inhibits the dynamic behavior of actin filaments.’
  • ‘We show here that photosensitization with BAYy 3118 induces an immediate loss of actin reactivity with phalloidin, a toxin that specifically forms tight complexes with polymerized F - actin.’