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Ralstonia metallidurans

Ralstonia metallidurans (CH34) are bacteria that can live and grow in highly metallic solutions (toxic to most microorganisms). These bacteria play a key role in the formation of gold nuggets directly from an aqueous solution. Currently, methods are being developed to extract gold from mine water due to the ability of the bacteria. 1)

Bacteria that eats plastic

Ideonella sakaiensis was discovered by researchers at the Kyoto University of Technology during a systematic study of organisms capable of metabolizing PET, which is usually not broken down by microorganisms, leading to accumulation in the environment as waste due to its large production. This has led to attempts to find organisms that can be used to break down this type of plastic. 2)


Cyanobacteria are a group of self-living organisms, formerly considered plants and nowadays considered to be bacteria. They can be found in almost every environment on Earth and are resistant to prolonged drought, high temperatures, and even high salinity or acidity of the substrate they are found in. During so-called blooms, some strains of cyanobacteria secrete poisonous substances. 3)


Shigella is a type of Gram-negative bacteria that causes dysentery. The only reservoirs of the bacteria are humans and monkeys. The bacteria were first isolated and described in 1897 by the Japanese microbiologist Kiyoshi Shiga. 4)

Bungle Bungle

Purnululu Park in Australia is known for its karst formations formed by the weathering of sandstone. The individual mountains with beehive-shaped domes are up to 820 feet high. The orange layer corresponds to iron oxides, while the black color is caused by the fossils of cyanobacteria (bacteria) belonging to at least five different species. Cyanobacteria fossils in the form of layers in the Bungle Bungle mountains are evidence of one of the earliest colonization of arid areas by organisms. 5)

bacteria.txt · Last modified: 2021/08/04 04:48 by aga