In this article we are going to explore in detail Rigifilida, a topic/person/date that has captured the attention of millions of people around the world. Taking an in-depth approach, we will examine the different aspects related to Rigifilida, providing detailed information, expert analysis and varied opinions. From its impact on society to its global implications, this article seeks to shed light on a topic/person/date that has generated debate and interest in multiple areas. Through the presentation of relevant data, interviews with experts and a balanced approach, we aim to offer a complete and enriching view on Rigifilida.
Cells of rigifilids are covered with either a single or a double-layered submembrane pellicular lamina that makes them rigid in consistence. Slender branching filopodia emanate from a ventral aperture of the cell and are employed to collect bacteria upon which they feed and to attach the organism to the substratum. Around this aperture, the pellicle is reflexed around forming a peristomial collar.
Other notable features are flat and irregular shaped mitocondrial cristae, a single dorsal nucleus and the lack of centrioles and cilia.
^Cavalier-Smith, Thomas (2013). "Early evolution of eukaryote feeding modes, cell structural diversity, and classification of the protozoan phyla Loukozoa, Sulcozoa, and Choanozoa". European Journal of Protistology. 49 (2): 115–178. doi:10.1016/j.ejop.2012.06.001. PMID23085100.
^Yabuki A, Ishida KI, Cavalier-Smith T (2013). "Rigifila ramosa n. gen., n. sp., a Filose Apusozoan with a Distinctive Pellicle, is Related to Micronuclearia". Protist. 164 (1): 75–88. doi:10.1016/j.protis.2012.04.005.