Article révisé par les pairs
Résumé : Observations with the light and electron microscopes showed that a reverse transcriptase inhibitor, AF/ABDP cis which is a rifampicin derivative, had a toxic effect on ovaries of young Xenopus laevis. It induced mitochrondrial damage in all observed cells and marked alteration of the ultrastructure of nucleus of the pachytene oocyte. Light autoradiography showed that AF/ABDP cis caused wide variation in nuclear labelling with [3H] thymidine from one pachytene oocyte to anotehr. Somatic cells were more uniformly labelled. These results are discussed in relation to the interpretation experiments upon eucaryote cells in which this drug is used as a reverse transcriptase inhibitor. © 1977.