FU Berlin, Department of General Zoology, Berlin (West).
Eur J Protistol. 1988 Mar;23(2):193-201. doi: 10.1016/S0932-4739(88)80061-0. Epub 2011 Nov 2.
Unlike most other ciliates, folliculinids divide into two physiologically and morphologically different cells: the anterior cell part (proter) becomes a non-feeding motile swarmer, the posterior part (opisthe) remains sessile and develops a new oral apparatus. After settling, the swarmer transforms into a sessile cell (metamorphosis). Division of the loricate ciliate Eufolliculina uhligi has been studied by scanning electron microscopy (SEM). Stomatogenesis in many aspects resembles that during metamorphosis. Eight stages can be distinguished. Stage 0 is characterized by the resorption of the old oral apparatus. New cilia arise from somatic kineties in a single, well-defined area. Two primordia of different sizes appear. The long, hook-shaped primordium of the opisthe gives rise to the AZM around the peristomial wings and to the paroral kinety. While the opisthe develops a functioning oral apparatus, the proter forms neither a buccal cavity nor a cytostome, and its oral ciliature is reduced. Stomatogenesis during cell division and during metamorphosis in E. uhligi is compared to that in motile heterotrichs, especially Stentor.
与大多数其他纤毛虫不同，滤泡虫类分裂成两个在生理和形态上不同的细胞：前体细胞部分（前体）变成非摄食的游动游泳者，后体部分（后体）保持固着并发育出新的口器。定居后，游泳者转化为固着细胞（变态）。有被纤毛虫 Eufolliculina uhligi 的分裂已通过扫描电子显微镜（SEM）进行了研究。在许多方面，虫生发生类似于变态过程。可以区分出八个阶段。阶段 0的特征是旧口器的吸收。新的纤毛从体细胞纤毛列的单个明确区域中出现。出现两个大小不同的原基。长而钩状的后体原基产生围绕口围带翅膀和副口纤毛列的 AZM。在后体发育出功能正常的口器的同时，前体既不形成口腔腔也不形成胞口，并且其口纤毛减少。E.uhligi 中的细胞分裂和变态过程中的虫生发生与运动异毛类，特别是 Stentor 中的虫生发生进行了比较。
