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Neometanema is a genus of phagotrophic flagellates belonging to the Euglenida, a diverse group of flagellates in the phylum Euglenozoa. [1] It is the sole genus within the monotypic family Neometanemidae and suborder Metanemina. [2] It composes the order Natomonadida together with a closely related clade of osmotrophs known as Aphagea. [3]
The heterolobosean pathogen Naegleria fowleri can behave as an amoeba (center) or as a flagellate (right).. An amoeboflagellate (‹The template Plural abbr is being considered for merging.› pl. amoeboflagellates) is any eukaryotic organism capable of behaving as an amoeba and as a flagellate at some point during their life cycle.
Eukaryotic flagella. 1–axoneme, 2–cell membrane, 3–IFT (IntraFlagellar Transport), 4–Basal body, 5–Cross section of flagella, 6–Triplets of microtubules of basal body Cross section of an axoneme Longitudinal section through the flagella area in Chlamydomonas reinhardtii. In the cell apex is the basal body that is the anchoring site ...
A flagellate is a cell or organism with one or more whip-like appendages called flagella. The word flagellate also describes a particular construction (or level of organization) characteristic of many prokaryotes and eukaryotes and their means of motion. The term presently does not imply any specific relationship or classification of the ...
Two anteriorly inserted whiplash flagella. Each flagellum originates from a basal granule in the anterior papillate or non-papillate region of the cytoplasm. Each flagellum shows a typical 9+2 arrangement of the component fibrils. Contractile vacuoles are near the bases of flagella. Prominent cup or bowl-shaped chloroplast is present.
Cryptomonad flagella are inserted parallel to one another, and are covered by bipartite hairs called mastigonemes, formed within the endoplasmic reticulum and transported to the cell surface. Small scales may also be present on the flagella and cell body. The mitochondria have flat cristae, and mitosis is open; sexual reproduction has also been ...
The food is ingested below the base of the flagella, which is referred to as the ventral side. In nonmotile C. roenbergensis cells, (cells that prefer to anchor themselves to a substrate) the posterior flagellum helps attach the organism to a substrate while it is feeding. [4] The flagella are anchored by 'rootlets' ribbons and subcellular ropes.
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