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The Chrysophyceae, usually called chrysophytes, chrysomonads, golden-brown algae or golden algae, are a large group of algae, found mostly in freshwater. [3] Golden algae is also commonly used to refer to a single species, Prymnesium parvum , which causes fish kills .
A diatom (Neo-Latin diatoma) [a ... The group has been variously referred to as heterokonts, chrysophytes, chromists or stramenopiles. Many are autotrophs such as ...
Chrysophyta or golden algae is a term used to refer to certain heterokonts. Dinobryon sp. from Shishitsuka Pond, Tsuchiura, Ibaraki Prefecture, Japan. It can be used to refer to: Chrysophyceae (golden algae), Bacillariophyceae (diatoms), and Xanthophyceae (yellow-green algae) together. [1] E.g., Pascher (1914). [2]
Diatoms belong to a large group called the heterokonts, which include both autotrophs such as golden algae and kelp; and heterotrophs such as water moulds.The classification of heterokonts is still unsettled: they may be designated a division, phylum, kingdom, or something intermediate to those.
As the diatom divides, each daughter retains one theca of the original frustule and produces one new theca. This means that one daughter cell is the same size as the parent (epitheca and new hypotheca) while in the other daughter the old hypotheca becomes the epitheca which together with a new and slightly smaller hypotheca comprises a smaller ...
Diatom DNA barcoding is a method for taxonomical identification of diatoms even to species level. ... Chrysophytes and Synurophytes SSU rDNA, rDNA ITS cox1 psaA, rbcL
Auxospores are involved in re-establishing the normal size in diatoms, as successive mitotic cell divisions leads to a decrease in cell size. This occurs because each daughter cell produced by cell division inherits one of the two valves that make up the frustule (a silica cell wall), and then grows a smaller valve within it.
They are predators of a long list of organisms of diverse evolutionary affinities, structures and sizes, including chlorophyte and streptophyte green algae, diatoms, chrysophytes, cryptophytes, euglenids, heterotrophic flagellates, ciliate cysts, fungal hyphae and spores, yeasts, and even micrometazoa such as nematodes and rotifer eggs.