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Spirulina major is a species of cyanobacteria in the family Spirulinaceae. [2] [1] It's found primarily in the Gulf of Mexico and sparsely on the shores of South America, Africa, Europe, the Middle East, and India. [3]
Spirulina is a genus of cyanobacteria. It is not classed as algae , despite the common name of cyanobacteria being blue-green algae. Despite its name, the " spirulina " dietary supplement actually uses cyanobacteria belonging to the genus Arthrospira (which were formerly classified within Spirulina ) .
The oncoids often form around a central nucleus, such as a shell fragment, [182] and a calcium carbonate structure is deposited by encrusting microbes. Oncolites are indicators of warm waters in the photic zone, but are also known in contemporary freshwater environments. [183] These structures rarely exceed 10 cm in diameter.
Spirulina is the dried biomass of cyanobacteria (blue-green algae) that can be consumed by humans and animals. The three species are Arthrospira platensis , A. fusiformis , and A. maxima . Cultivated worldwide, Arthrospira is used as a dietary supplement or whole food . [ 1 ]
The common name, spirulina, refers to the dried biomass of Arthrospira platensis, [3] a type of Cyanobacteria, which are oxygenic photosynthetic bacteria.These photosynthetic organisms were first considered to be algae, a very large and diverse group of eukaryotic organisms, until 1962 when they were reclassified as prokaryotes and named Cyanobacteria. [4]
Brown algae are the major seaweeds of the temperate and polar regions. Many brown algae, such as members of the order Fucales, commonly grow along rocky seashores. Most brown algae live in marine environments, where they play an important role both as food and as a potential habitat.
Today's NYT Connections puzzle for Thursday, February 13, 2025The New York Times
Phycoerythrin (PE) is a red protein-pigment complex from the light-harvesting phycobiliprotein family, present in cyanobacteria, [1] red algae [2] and cryptophytes, [3] accessory to the main chlorophyll pigments responsible for photosynthesis.The red pigment is due to the prosthetic group, phycoerythrobilin, which gives phycoerythrin its red color.