Bacteria (/bækˈtɪəriə/ ; sg.: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large...
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Gram-negative bacteria are bacteria that unlike gram-positive bacteria do not retain the crystal violet stain used in the Gram staining method of bacterial...
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Pathogenic bacteria are bacteria that can cause disease. This article focuses on the bacteria that are pathogenic to humans. Most species of bacteria are harmless...
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Coliform bacteria are defined as either motile or non-motile Gram-negative non-spore forming bacilli that possess β-galactosidase to produce acids and...
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gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad...
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sulfur bacteria in Wiktionary, the free dictionary. Sulfur bacteria may refer to: Green sulfur bacteria Purple sulfur bacteria Sulfate-reducing bacteria Sulfur-reducing...
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Nitrifying bacteria are chemolithotrophic organisms that include species of genera such as Nitrosomonas, Nitrosococcus, Nitrobacter, Nitrospina, Nitrospira...
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Purple bacteria or purple photosynthetic bacteria are Gram-negative proteobacteria that are phototrophic, capable of producing their own food via photosynthesis...
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Spiral bacteria, bacteria of spiral (helical) shape, form the third major morphological category of prokaryotes along with the rod-shaped bacilli and round...
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Putrefying/decay bacteria are bacteria involved in putrefaction of living matter. Along with other decomposers, they play a critical role in recycling...
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Intracellular bacteria are bacteria that have the capability to enter and survive within the cells of the host organism. Many of them are capable of growth...
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Denitrifying bacteria are a diverse group of bacteria that encompass many different phyla. This group of bacteria, together with denitrifying fungi and...
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Bioluminescent bacteria are light-producing bacteria that are predominantly present in sea water, marine sediments, the surface of decomposing fish and...
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Symbiotic bacteria are bacteria living in symbiosis with another organism or each other. For example, rhizobia living in root nodules of legumes provide...
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up bacteria in Wiktionary, the free dictionary. Bacteria are a major group of prokaryotic living organisms. Bacteria may also refer to: Bacteria (malware)...
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Bacteriophage (redirect from Bacteria phage)
is a virus that infects and replicates within bacteria and archaea. The term was derived from "bacteria" and the Greek φαγεῖν (phagein), meaning "to devour"...
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Exogenous bacteria are microorganisms introduced to closed biological systems from the external world.[citation needed] They exist in aquatic and terrestrial...
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Escherichia coli (redirect from E. coli bacteria)
vitamin K2 or by preventing the colonization of the intestine by pathogenic bacteria. These mutually beneficial relationships between E. coli and humans are...
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Anaerobic organism (redirect from Anaerobic bacteria)
oxygenated environment. Anaerobes may be unicellular (e.g. protozoans, bacteria) or multicellular. Most fungi are obligate aerobes, requiring oxygen to...
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The evolution of bacteria has progressed over billions of years since the Precambrian time with their first major divergence from the archaeal/eukaryotic...
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Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria that orient themselves along the magnetic field lines of Earth's magnetic field. Discovered...
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Siderophilic bacteria are bacteria that require or are facilitated by free iron. They may include Vibrio vulnificus, Listeria monocytogenes, Yersinia...
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Cancer bacteria are bacteria infectious organisms that are known or suspected to cause cancer. While cancer-associated bacteria have long been considered...
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Antimicrobial resistance (redirect from Antibiotic-resistant bacteria)
evolve antiviral resistance, protozoa evolve antiprotozoal resistance, and bacteria evolve antibiotic resistance. Together all of these come under the umbrella...
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Atypical bacteria are bacteria that do not get colored by gram-staining but rather remain colorless: they are neither Gram-positive nor Gram-negative...
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Gut microbiota (redirect from Intestinal bacteria)
microbiota, gut microbiome, or gut flora are the microorganisms, including bacteria, archaea, fungi, and viruses, that live in the digestive tracts of animals...
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Methanogen (redirect from Methanogenic bacteria)
methanogens lack peptidoglycan, a polymer that is found in the cell walls of Bacteria. Instead, some methanogens have a cell wall called pseudopeptidoglycan...
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Endospore (redirect from Endospore-forming bacteria)
endospore is a dormant, tough, and non-reproductive structure produced by some bacteria in the phylum Bacillota. The name "endospore" is suggestive of a spore...
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Swimming pool bacteria are the diverse array of bacteria that are present in aquatic environments, primarily swimming pools, which can have effects on...
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Electric bacteria are forms of bacteria that directly consume and excrete electrons at different energy potentials without requiring the metabolization...
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