| flaviviridae | <virology> A family of single-stranded RNA-containing viruses that cause haemorrhagic fever in awide range of mammals and are transmitted by mosquitos and ticks. (09 Oct 1997) |
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| flaviviridae infections | Infections with viruses of the family flaviviridae. (12 Dec 1998) |
| flavivirus | A genus of flaviviridae, also known as group b arbovirus, containing several subgroups and species. most are arboviruses transmitted by mosquitoes or ticks. The type species is yellow fever virus. (12 Dec 1998) |
| flavivirus infections | Infections with viruses of the genus flavivirus, family flaviviridae. (12 Dec 1998) |
| flavobacterium | A genus of gram-negative, aerobic, rod-shaped bacteria widely distributed in soil and water. Its organisms are also found in raw meats, milk and other foods, hospital environments, and human clinical specimens. Some species are pathogenic in humans. (12 Dec 1998) |
| Flavobacterium aquatile | A species found in water containing a high percentage of calcium carbonate; it is the type species of Flavobacterium. (05 Mar 2000) |
| Flavobacterium breve | A species found in sewage; pathogenic for laboratory animals. (05 Mar 2000) |
| Flavobacterium piscicida | Former name for Pseudomonas piscicida. (05 Mar 2000) |
| flavodoxin | A low-molecular-weight (16,000) iron-free flavoprotein containing one molecule of flavin mononucleotide (fmn) and isolated from bacteria grown on an iron-deficient medium. It can replace ferredoxin in all the electron-transfer functions in which the latter is known to serve in bacterial cells. (12 Dec 1998) |
| flavoenzyme | Any enzyme that possesses a flavin nucleotide as coenzyme; e.g., xanthine oxidase, succinate dehydrogenase. Synonym: yellow enzyme. (05 Mar 2000) |
| flavokinase | A cytosolic enzyme catalyzing the formation of flavin mononucleotide (r. Phosphate) from riboflavin, utilizing ATP as phosphorylating agent. Synonym: flavokinase. (05 Mar 2000) |
| flavol | <chemistry> A yellow, crystalline substance, obtained from anthraquinone, and regarded as a hydroxyl derivative of it. Origin: L. Flavus yellow + -oil. Source: Websters Dictionary (01 Mar 1998) |
| flavone | 1. 2-Phenyl-4H-1-benzopyran-4-one; or 2-phenylchromone;a plant pigment that is the basis of the flavonoids. 2. One of a class of compounds based on flavone. (05 Mar 2000) |
| flavone 7-O-beta-glucosyltransferase | <enzyme> A number of flavones, flavonones and flavonols can act as acceptors; different from EC 2.4.1.91 Registry number: EC 2.4.1.81 Synonym: udpglucose - flavone 7-o-glucosyltransferase, udpglucose - flavonoid 7-o-glucosyltransferase (26 Jun 1999) |
| flavonoid 3',5'-hydroxylase | <enzyme> Catalyses the 3',5' hydroxylation of naringenin and eriodictyol to form 5,7-3',4',5'-pentahydroxyflavone and 3',5' hydroxylation of dihydrokaempferol and dihydroquercetin to form dihydromyricetin; controls flower colour Registry number: EC 1.14.13.- (26 Jun 1999) |