Experiment 1026349

Compounds isolated

Details

PropertyValue
Pharmacology
OrganismEmpty organism
CitationSCHATTEN,G: SCHATTEN,H: BESTOR,TH: BALCZON,R:. (1982). TAXOL INHIBITS THE NUCLEAR MOVEMENTS DURING FERTILIZATION AND INDUCES ASTERS IN UNFERTILIZED SEA URCHIN EGGS.. 94()
Amount utilized
Compound isolated
DiseaseTAXOL BLOCKS THE MIGRATIONS OF THE SPERM + EGG NUCLEI IN FERTILIZED EGGS AND INDUCES ASTERS IN UNFERTILIZED EGGS OF THE SEA URCHINS. SPERM INCORPORATION AND SPERM TAIL MOTILITY ARE UNAFFECTED AND THE SPERM ASTER FORMED IS UNUSUALLY PRONOUNCED. THE MIGRATION OF THE EGG NUCLEUS AND PRONUCLEAR CENTRATION ARE INHIBITED. THE HUGE MONOPOLAR ASTER PERSISTS FOR AT LEAST 6 HOURS: CLEAVAGE ATTEMPTS AND NUCLEAR CYCLES ARE OBSERVED. DEMECOLCINE DISASSEMBLES BOTH THE LARGE TAXOL-STABLIZED SPERM ASTER IN FERTILIZED EGGS AND THE NUMEROUS ASTERS PRODUCED IN UNFERTILIZED EGGS. ANTITUBULIN IMMUNOFLUORESCENCE MICROSCOPY DEMONSTRATES THAT IN FERTILIZED EGGS ALL MICROTUBULES ARE WITHIN THE PROMINENT SPERM ASTER.
Dose amount10.0 MICROMOLS
Number1
Qualitative resultACTIVE
Dose expressionCONC USED