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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
The pineal gland, a photosensitive organ regulating melatonin production by capturing light signals through the photoreceptor cell converting them into intercellular signals of the lamprey is located in the midline of its body, for lamprey, the pineal eye is accompanied by the parapineal organ.
Prototheca, especially P. wickerhamii and P. zopfii, can colonize the skin, fingernails, respiratory and digestive tracts. Prototheca algae cells can enter the bloodstream through open wounds, mucous membrane pathways, or the ingestion or inhalation of the cells. Individuals who are immunocompromised begin to see more concerning symptoms as the ...
Cloudy water can be a warning that there are more germs in the water than normal. Discolored or smelly water could mean there is a harmful algal bloom in the water.
Naegleria fowleri, also known as the brain-eating amoeba, is a species of the genus Naegleria.It belongs to the phylum Percolozoa and is classified as an amoeboflagellate excavate, [1] an organism capable of behaving as both an amoeba and a flagellate.
Symptoms can progress to ameboma, fulminant colitis, toxic megacolon, colonic ulcers, leading to perforation, and abscesses in vital organs like liver, lung, and brain. Amoebiasis can be treated with the administration of anti-amoebic compounds, this often includes the use of Metronidazole, Ornidazole, Chloroquine, Secnidazole, Nitazoxanide and ...
Some predatory algae have evolved extreme survival strategies. For example, Oxyrrhis marina can turn cannibalistic on its own species when no suitable non-self prey is available, [11] and Pfiesteria and related species have been discovered to kill and feed on fish, and since have been (mistakenly) referred to as carnivorous "algae" by the media.
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