title: Parauronema acutum and its xenosomes: a model system.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000235:genetics / Q000648:ultrastructure; D018407:Bacterial Physiological Phenomena; D016798:Ciliophora / Q000502:physiology* / Q000648:ultrastructure; D004269:DNA, Bacterial / Q000235:genetics* / Q000648:ultrastructure; D005798:Genes, Bacterial; D008854:Microscopy, Electron; D008954:Models, Biological; D013559:Symbiosis
chemical_list: D004269:DNA, Bacterial