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Ascophyllum nodosum is the only species in the genus Ascophyllum. The original name (basionym) was Fucus nodosus Linnaeus 1753. The species was transferred to the genus Ascophyllum (as Ascophylla) by Stackhouse (Papenfuss 1950), under the name Ascophyllum laevigata (Guiry and Guiry 2020). The combination Ascophyllum nodosum was made by Le Jolis ...
Some members of the class, such as kelps, are used by humans as food. Between 1,500 and 2,000 species of brown algae are known worldwide. [ 5 ] Some species, such as Ascophyllum nodosum , have become subjects of extensive research in their own right due to their commercial importance.
Vertebrata lanosa on Ascophyllum nodosum 1 tufts growing on Ascophyllum nodosum; 2 portion of a frond; 3 ceramidia = cystocarps; 4 branchlet with embedded tetraspores; 5 tetraspore; 6 apices with antheridia; 7 antheridium; 8 portion of a frond, partly cut longitudinally; 9 transverse section of a frond
On sheltered shores Ascophyllum nodosum usually forms a broad and dominating zone along the shore at the mid-littoral. Other brown algae can be found at the low-littoral such as Himanthalia, Laminaria saxatilis and Alaria esculenta. Small green and red algae and animals occur, protected under these large brown algae. [7]
Brown algae are eukaryotic stramenopiles which means that they are at one point flagellated and most people know them as seaweeds in coastal areas. [21] Examples of brown algae that have been found in brackish marshes are Fucus vesiculosus, Ascophyllum nodosum, [20] the genus Sphacelaria, [22] and many others. Brown algae- Sargassum
Commercial grade alginate is extracted from giant kelp Macrocystis pyrifera, Ascophyllum nodosum, and types of Laminaria. Alginates are also produced by two bacterial genera Pseudomonas and Azotobacter, which played a major role in the unravelling of its biosynthesis pathway. Bacterial alginates are useful for the production of micro- or ...
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Ascophyllum nodosum exposed to the sun in Nova Scotia, Canada Dead man's fingers (Codium fragile) off the Massachusetts coast in the United States The top of a kelp forest in Otago, New Zealand. Seaweed, or macroalgae, refers to thousands of species of macroscopic, multicellular, marine algae.