Raphidonema Faringdonense 070715a
''Raphidonema'' is the scientific name of two genera and may refer to: * ''Raphidomena'' (alga), a genus of algae in the family Koliellaceae * ''Raphidomena'' (sponge), a genus of sponges {{Genus disambiguation ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Raphidonema (alga)
''Raphidonema'' is a genus of filamentous green alga comprising five species. It is a member of the Trebouxiophyceae. ''Raphidonema'' is widely distributed in freshwater habitats, especially snow, where it can impart a green discoloration to the snow. Description ''Raphidonema'' consists of free-floating filaments of cells, ranging from 2 to 32 cells, which may be straight or slightly curved. Interjacent cells are cylindrical, while cells at the ends taper to a point. The cell membrane is very thin and lacks a mucilaginous sheath. A single chloroplast is present in each cell, girdle- or band-shaped, lacking a pyrenoid Pyrenoids are sub-cellular phase-separated micro-compartments found in chloroplasts of many algae,Giordano, M., Beardall, J., & Raven, J. A. (2005). CO2 concentrating mechanisms in algae: mechanisms, environmental modulation, and evolution. ''An .... Reproduction occurs asexually via the vegetative division (mitosis) of cells within filaments. Taxonomy ''Raph ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]