Diminution of microtubular organelles after experimental reduction in cell size in the ciliate, Dileptus.
Organelles of two kinds were studied: nemadesmata and transverse fibres, which are kinetosomal rootlets in oral parts of Dileptus. A diminution of microtubule number and length was found in organelles of size-reduced and regenerating cells, as compared to normal ones. It appeared, however, that organelles reduced in size were always larger and longer than could be expected on a basis of perfectly proportional regulation. The results give some insight into the modes of formation and regulation of the size of these organelles.
D000818:Animals; D016798:Ciliophora / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008870:Microtubules / Q000502:physiology / Q000648:ultrastructure*; D009055:Mouth / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure*