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The phycobilisome components (phycobiliproteins) are responsible for the blue-green pigmentation of most cyanobacteria. [77] The variations on this theme are due mainly to carotenoids and phycoerythrins that give the cells their red-brownish coloration. In some cyanobacteria, the color of light influences the composition of the phycobilisomes.
Klamath AFA is a blue-green algae that has been harvested wild from Upper Klamath Lake since the 1980s and used as a dietary supplement. [2] [3] Genome sequencing distinguished and named this isolate as Aphanizomenon flos-aquae MDT14a, [4] [5] distinct from other varieties of Aphanizomenon flos-aquae.
A large amount of thermophytes are algae, more specifically blue-green algae, also referred to as cyanobacteria. This type of algae thrives in hot conditions ranging anywhere from 50 to 70 degrees Celsius, [ 3 ] [ 4 ] which other plants and organisms cannot survive in. Thermophytes are able to survive extreme temperatures as their cells contain ...
The particular pigments they contain gives the cells a bluish-green color. Species of the Nostocaceae are particularly known for their nitrogen-fixing abilities, and they form symbiotic relationships with certain plants, such as the mosquito fern, cycads, and hornworts. The cyanobacteria provide nitrogen to their hosts.
The endosymbiotic green algae may have been acquired through myzocytosis rather than phagocytosis. [23] (Another group with green algae endosymbionts is the dinoflagellate genus Lepidodinium, which has replaced its original endosymbiont of red algal origin with one of green algal origin. A nucleomorph is present, and the host genome still have ...
For example, in green plants, the action spectrum resembles the absorption spectrum for chlorophylls and carotenoids with absorption peaks in violet-blue and red light. In red algae, the action spectrum is blue-green light, which allows these algae to use the blue end of the spectrum to grow in the deeper waters that filter out the longer ...
Chloroplastida is the term chosen by Adl et al. for the group made up of the green algae and land plants (embryophytes). Except where lost secondarily, all have chloroplasts without a peptidoglycan layer and lack phycobiliproteins. The chlorophyte Stigeoclonium. Chlorophyta Pascher, 1914, emend. Lewis & McCourt, 2004 – green algae (part)
They include green algae, which are primarily aquatic, and the land plants (embryophytes, Plantae sensu strictissimo), which emerged within freshwater green algae. [8] [9] [10] Green algae traditionally excludes the land plants, rendering them a paraphyletic group, however it is cladistically accurate to think of land plants as a special clade ...