Catalogue of Organisms: The Nostocaceae: Tangled Filaments.
The Nostocaceae is a family of cyanobacteria that forms filament -shaped colonies enclosed in mucus or a gelatinous sheath. Some genera in this family are found primarily in fresh water (such as Nostoc), while others are found primarily in salt water (such as Nodularia).
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The Journal of Phycology was founded in 1965 by the Phycological Society of America. All aspects of basic and applied research on algae are included to provide a common medium for the ecologist, physiologist, cell biologist, molecular biologist, morphologist, oceanographer, taxonomist, geneticist, and biochemist. The Journal also welcomes research that emphasizes algal interactions with other.
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EC 50 (effective concentration 50%) — the plasma concentration required for obtaining 50% of the maximum effectin vivo. IC 50 (inhibitory concentration 50%) — the concentration of a drug required for 50% inhibition of replicationin vitro (can be corrected for protein bindingetc.). LD 50 (lethal dose 50%) — the number of pathogens required to cause lethal disease in half of the exposed hosts.
Consideration of the present species checklist (based on the “Geitlerian” classification system) under the “Drouet” classification system demonstrates an under-estimation of cyanobacterial species richness, highlighting problems when comparing world-wide distribution patterns of cyanobacteria.
Nostocaceae definition is - a family of minute freshwater blue-green algae (order Hormogonales) consisting of moniliform filaments and reproducing by hormogonia.