Lake Tahoe beaches tested for toxic blue-green algae bloom
Authorities are testing after reports surfaced of toxic blue-green algae blooms at two Lake Tahoe beaches.
Jul 9, 2024
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Authorities are testing after reports surfaced of toxic blue-green algae blooms at two Lake Tahoe beaches.
Jul 9, 2024
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With summer about to start, many people flocking to their favorite swimming holes may also want to read up on bacteria warnings.
Jun 15, 2024
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With more of us looking for alternatives to eating animals, new research has found a surprising environmentally friendly source of protein—algae.
Dec 18, 2023
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Plunging into the ocean or a lake is one of the great joys of summer. But arriving at the beach to find water that's green, red or brown, and possibly foul-smelling, can instantly spoil the party.
May 3, 2023
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Wild swimming has grown massively in popularity in recent times. Not only is swimming outdoors a pleasant way to enjoy the sunshine, fresh air and green leafy surroundings, it can also help to relieve stress and elevate our ...
Feb 27, 2023
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A product of a freshwater single-celled green algae called Euglena gracilis may enhance skin regeneration to speed up wound healing, according to new research published in Advanced Materials Interfaces.
Jan 11, 2023
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Exposure to a specific type of blue-green algae toxin known as cylindrospermopsin has shown to wreak havoc on gut bacteria and is linked to an increased probability of irritable bowel syndrome, inflammatory bowel disease, ...
Dec 21, 2022
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A bout with flesh-eating bacteria can start out with a day at the beach, a hardly worrisome cut and then, in less than 24 hours, a raging infection fought with heavy antibiotics and gruesome scalpel work.
May 16, 2022
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MIAMI—Intense blooms of toxic algae are becoming common occurrences along the coast of Florida and elsewhere. Results from a new study led by University of Miami (UM) scientists found that wearing the face mask everyone ...
Aug 6, 2021
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Scientists have discovered a possible link between Parkinson's disease and a gene impacted by a neurotoxin found in blue-green algae.
Mar 16, 2020
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Algae (pronounced /ˈældʒiː/; singular alga /ˈælɡə/, Latin for "seaweed") are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms. The largest and most complex marine forms are called seaweeds. They are photosynthetic, like plants, and "simple" because they lack the many distinct organs found in land plants. For that reason they are currently excluded from being considered plants.
Though the prokaryotic Cyanobacteria (commonly referred to as Blue-green Algae) were traditionally included as "Algae" in older textbooks, many modern sources regard this as outdated and restrict the term Algae to eukaryotic organisms. All true algae therefore have a nucleus enclosed within a membrane and chloroplasts bound in one or more membranes. Algae constitute a paraphyletic and polyphyletic group, as they do not include all the descendants of the last universal ancestor nor do they all descend from a common algal ancestor, although their chloroplasts seem to have a single origin.
Algae lack the various structures that characterize land plants, such as phyllids and rhizoids in nonvascular plants, or leaves, roots, and other organs that are found in tracheophytes. Many are photoautotrophic, although some groups contain members that are mixotrophic, deriving energy both from photosynthesis and uptake of organic carbon either by osmotrophy, myzotrophy, or phagotrophy. Some unicellular species rely entirely on external energy sources and have limited or no photosynthetic apparatus.
Nearly all algae have photosynthetic machinery ultimately derived from the Cyanobacteria, and so produce oxygen as a by-product of photosynthesis, unlike other photosynthetic bacteria such as purple and green sulfur bacteria. Fossilized filamentous algae from the Vindhya basin have been dating back to 1.6 to 1.7 billion years ago.
The first alga to have its genome sequenced was Cyanidioschyzon merolae.
This text uses material from Wikipedia, licensed under CC BY-SA