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| Other names | Neomycin A |
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| Formula | C12H26N4O6 |
| Molar mass | 322.362 g·mol−1 |
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Neamine (neomycin A) is a degradation product of the aminoglycoside antibiotic neomycin.[ citation needed ]
Neomycin is an aminoglycoside antibiotic that displays bactericidal activity against gram-negative aerobic bacilli and some anaerobic bacilli where resistance has not yet arisen. It is generally not effective against gram-positive bacilli and anaerobic gram-negative bacilli. Neomycin comes in oral and topical formulations, including creams, ointments, and eyedrops. Neomycin belongs to the aminoglycoside class of antibiotics that contain two or more amino sugars connected by glycosidic bonds.
Aminoglycoside is a medicinal and bacteriologic category of traditional Gram-negative antibacterial medications that inhibit protein synthesis and contain as a portion of the molecule an amino-modified glycoside (sugar). The term can also refer more generally to any organic molecule that contains amino sugar substructures. Aminoglycoside antibiotics display bactericidal activity against Gram-negative aerobes and some anaerobic bacilli where resistance has not yet arisen but generally not against Gram-positive and anaerobic Gram-negative bacteria.
ATC code A07Antidiarrheals, intestinal anti-inflammatory/anti-infective agents is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products. Subgroup A07 is part of the anatomical group A Alimentary tract and metabolism.
Bacitracin is a polypeptide antibiotic. It is a mixture of related cyclic peptides produced by Bacillus licheniformis bacteria, that was first isolated from the variety "Tracy I" in 1945. These peptides disrupt Gram-positive bacteria by interfering with cell wall and peptidoglycan synthesis.
ATC code S02Otologicals is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products. Subgroup S02 is part of the anatomical group S Sensory organs.
Hepatic encephalopathy (HE) is an altered level of consciousness as a result of liver failure. Its onset may be gradual or sudden. Other symptoms may include movement problems, changes in mood, or changes in personality. In the advanced stages it can result in a coma.
Neomycin/polymyxin B/bacitracin, also known as triple antibiotic ointment, is a medication used to reduce the risk of infections following minor skin injuries. It contains three antibiotics: neomycin, polymyxin B, and bacitracin. It is for topical use only and should not be ingested due to risk of kidney damage.
Bacitracin/polymyxin B is a topical antibiotic cream or ointment. The active ingredients are polymyxin B, bacitracin and occasionally garamycin or gramicidin. Though Polysporin is marketed in the United States, it holds a much smaller market share than in Canada and acts as a substitute to J&J's Neosporin for those allergic to the antibiotic neomycin; although allergy to Bacitracin/Polymyxin B has also been reported. There is also an ophthalmological ointment, eye and ear drops.
Neomycin/polymyxin B/hydrocortisone, sold under the brand Otosporin among others, is a medication used to treat otitis externa and certain eye disorders. It consists of the antibiotics neomycin and polymyxin B, and the steroid hydrocortisone. It is used as an ear drop or eye drop.
Mycobacterium psychrotolerans is a rapidly growing mycobacterium first isolated from pond water near a uranium mine in Spain. It was able to grow at 4°C and is therefore considered to be psychrotolerant. Etymology: psychros, cold; tolerans, tolerating.
Flavobacterium columnare is a thin Gram-negative rod bacterium of the genus Flavobacterium. The name derives from the way in which the organism grows in rhizoid columnar formations.
Ribostamycin is an aminoglycoside-aminocyclitol antibiotic isolated from a streptomycete, Streptomyces ribosidificus, originally identified in a soil sample from Tsu City of Mie Prefecture in Japan. It is made up of 3 ring subunits: 2-deoxystreptamine (DOS), neosamine C, and ribose. Ribostamycin, along with other aminoglycosides with the DOS subunit, is an important broad-spectrum antibiotic with important use against human immunodeficiency virus and is considered a critically important antimicrobial by the World Health Organization., Resistance against aminoglycoside antibiotics, such as ribostamycin, is a growing concern. The resistant bacteria contain enzymes that modify the structure through phosphorylation, adenylation, and acetylation and prevent the antibiotic from being able to interact with the bacterial ribosomal RNAs.
ATCvet code QG51Antiinfectives and antiseptics for intrauterine use is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products for veterinary use. Subgroup QG51 is part of the anatomical group QG Genito-urinary system and sex hormones.
Thonzonium bromide is a monocationic detergent. A solution of it is thus a surfactant and a detergent that promotes tissue contact by dispersion and penetration of the cellular debris and exudate of the containing solution.
A knockout mouse, or knock-out mouse, is a genetically modified mouse in which researchers have inactivated, or "knocked out", an existing gene by replacing it or disrupting it with an artificial piece of DNA. They are important animal models for studying the role of genes which have been sequenced but whose functions have not been determined. By causing a specific gene to be inactive in the mouse, and observing any differences from normal behaviour or physiology, researchers can infer its probable function.
Paromamine 6'-oxidase (EC 1.1.3.43, btrQ (gene), neoG (gene), kanI (gene), tacB (gene)) is an enzyme with systematic name paromamine:oxygen 6'-oxidoreductase. This enzyme catalyses the following chemical reaction
6'''-hydroxyneomycin C oxidase (EC 1.1.3.44, neoG (gene)) is an enzyme with systematic name 6'''-deamino-6'''-hydroxyneomycin C:oxygen 6'''-oxidoreductase. This enzyme catalyses the following chemical reaction
NeoN may refer to either of two enzymes, both catalyzing neomycin or its products:
Neomycin C transaminase is an enzyme with systematic name 2-oxoglutarate:neomycin C aminotransferase. This enzyme catalyses the following chemical reaction
2'''-acetyl-6'''-hydroxyneomycin C deacetylase (EC 3.5.1.113, neoL (gene)) is an enzyme with systematic name 2'''-acetyl-6'''-hydroxyneomycin C hydrolase (acetate-forming). This enzyme catalyses the following chemical reaction
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