BIL 160 Lecture Notes - Lecture 5: Lynn Margulis, Endoplasmic Reticulum, Axoneme
Document Summary
It has the characteristic anatomy of nine peripheral microtubule doublets and one central microtubule doublet (nine surrounding two: a cilium is a very short flagellum, a cilium is a very short flagellum. Prokaryotic cells lacking linear chromosomes, do not undergo mitosis (or meiosis) Excavates: this grou is named for a groove that appears to be excavated on one side of the cell, excavates inhibit primitive characters, giardia lamblia: a living fossil. Is potentially pathogenic, causing giardiasis: other notable excavates, trichomonas vaginalis is another opportunistic pathogen. Shares many primitive characteristics with giardia: most common protist pathogen in humans in industrialized countries. Its name comes from the location where it was first discovered. Can cause serious parasitic diseases: chaga"s disease, leishimaniasis, african trypanosomiasis (sleeping sickness) Indirectly responsible for the most common form of non-bacterial seafood poisoning in the us, ciguatera: not all are dangerous, symbiodinium spp.