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Chlamydomonas is a genus of green algae consisting of about 150 species of unicellular flagellates, found in stagnant water and on damp soil, in freshwater, seawater, and even in snow as "snow algae". Chlamydomonas is used as a model organism for molecular biology, especially studies of flagellar motility and chloroplast dynamics, biogenesis, and genetics. One of the many striking features of Chlamydomonas is that it contains ion channels (channelrhodopsins) that are directly activated by light. Some regulatory systems of Chlamydomonas are more complex than their homologs in Gymnosperms, with evolutionarily related regulatory proteins being larger and containing additional domains.
The glaucophytes, also known as glaucocystophytes or glaucocystids, are a small group of unicellular algae found in freshwater and moist terrestrial environments, less common today than they were during the Proterozoic. The stated number of species in the group varies from about 14 to 26. Together with the red algae (Rhodophyta) and the green algae plus land plants, they form the Archaeplastida.
AlgaeBase is a global species database of information on all groups of algae, both marine and freshwater, as well as sea-grass.
Chloromonas is a genus of green algae in the family Chlamydomonadaceae. It is closely related to the model green algae, Chlamydomonas, and traditionally has been distinguished mainly through the absence of a pyrenoid.
The Mesostigmatophyceae are a class of basal green algae found in freshwater. In a narrow circumscription, the class contains a single genus, Mesostigma. AlgaeBase then places the order within its circumscription of Charophyta. A clade containing Chlorokybus and Spirotaenia may either be added, or treated as a sister, with Chlorokybus placed in a separate class, Chlorokybophyceae. When broadly circumscribed, Mesostigmatophyceae may be placed as sister to all other green algae, or as sister to all Streptophyta.
Chlorokybus is a multicellular (sarcinoid) genus of basal green algae or charophyte. It has been classified as the sole member of the family Chlorokybaceae, which is the sole member of the order Chlorokybales, in turn the sole member of the class Chlorokybophyceae. It grows on soil and rock surfaces, and is rare.
Mesostigma is a genus of unicellular biflagellate freshwater green algae, with a single species Mesostigma viride, covered by an outer layer of basket‐like scales instead of a cell wall. AlgaeBase classifies it as the only genus in the family Mesostigmataceae, the only family in the order Mesostigmatales, the only order in the class Mesostigmatophyceae. It is now considered to be one of the earliest diverging members of green plants/algae (Viridiplantae).
Peridiniales is an order of dinoflagellates.
The Klebsormidiaceae are a family containing five genera of charophyte green alga forming multicellular, non-branching filaments. The genus Chlorokybus was previously included as well, but this problematic and poorly known genus is now placed in a separate class Chlorokybophyceae.
The Rivulariaceae are a family of cyanobacteria within the Nostocales in which the filaments (trichomes) are tapered from wider at the base to narrower at the tip.
Katablepharis is a genus of single-celled eukaryotes comprising five to six species. They are heterotrophic and live in both freshwater and seawater. They have two flagella and a feeding apparatus consisting of a mouth and two arrays of microtubules.
Byturidae, also known as fruitworms, are small family of cleroid beetles with over 15 described species, primarily distributed in the Holarctic and Southeast Asia. The larvae of at least some genera feed on fruit, such as Byturus, a notable commercial pest of Rubus consuming both the fruit and seeds, while others like Xerasia are associated with catkins. The adults are known to feed on developing leaves, flowers and pollen.
Picophagea, also known as Synchromophyceae, is a class of photosynthetic stramenopiles. The chloroplast of the Synchromophyceae are surrounded by two membranes and arranged in a way where they share the outer pair of membranes. The entire chloroplast complex is surrounded by an additional two outer membranes.
Gary Nathan Calkins was an American protozoologist and a professor at Columbia University. He wrote several landmark textbooks on the biology of the protozoa. He described conjugation in Paramoecium and in his taxonomic approach separated chlorophyll containing flagellates from other protists.
References
- 1 2 Clay, B; Kugrens, P (Mar 1999). "Systematics of the enigmatic kathablepharids, including EM characterization of the type species, Kathablepharis phoenikoston, and new observations on K. Remigera comb.nov". Protist. 150 (1): 43–59. doi:10.1016/S1434-4610(99)70008-8. ISSN 1434-4610. PMID 10724518.
- ↑ Guiry, M.D.; Guiry, G.M. (2008). "Leucocryptos". AlgaeBase . World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-02-21.
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