Streptococcus dysgalactiae: Streptococcus dysgalactiae is a species of Streptococcus.Trans-activating crRNA: In molecular biology, trans-activating crRNA (tracrRNA) is a small trans-encoded RNA. It was first discovered in the human pathogen Streptococcus pyogenes.Streptococcus mutans: Streptococcus mutans is facultatively anaerobic, Gram-positive coccus-shaped bacterium commonly found in the human oral cavity and is a significant contributor to tooth decay.Quellung reaction: The Quellung reaction is a biochemical reaction in which antibodies bind to the bacterial capsule of Streptococcus pneumoniae, Klebsiella pneumoniae, Neisseria meningitidis, Haemophilus influenzae, Page 340 Escherichia coli, and Salmonella. The antibody reaction allows these species to be visualized under a microscope.Streptococcus agalactiae: Streptococcus agalactiae (also known as Group B streptococcus or GBS) is a gram-positive coccus with a tendency to form chains (streptococcus), beta-hemolytic, catalase-negative, and facultative anaerobe. Streptococcus agalactiae is the species designation for streptococci belonging to the group B of the Rebecca Lancefield classification.Cutaneous group B streptococcal infection: Cutaneous group B streptococcal infection may result in orbital cellulitis or facial erysipelas in neonates.Streptococcus suis: Streptococcus suis is a peanut-shaped, Gram-positive bacterium, and an important pathogen of pigs. Endemic in nearly all countries with an extensive pig industry, S.Streptococcus mitis: Streptococcus mitis, previously known as Streptococcus mitior, is a mesophilic alpha-hemolytic species of Streptococcus that inhabits the human mouth. It is most commonly found in the throat, nasopharynx, and mouth.Streptococcus oralis: Streptococcus oralis is a Gram positive bacterium that grows characteristically in chains. It forms small white colonies on a Wilkins-Chalgren agar plate.Streptococcus gordonii: Streptococcus gordonii is a Gram-positive bacterium included among some of the initial colonizers of the periodontal environment. American Academy of Periodontology 2010 In-Service Exam, question 82 The organism, along with related oral streptococci, has a high affinity for molecules in the salivary pellicle (or coating) on tooth surfaces.Ferric uptake regulator family: In molecular biology, the ferric uptake regulator (FUR) family of proteins includes metal ion uptake regulator proteins. These are responsible for controlling the intracellular concentration of iron in many bacteria.Enterococcus faecalis: Enterococcus faecalis – formerly classified as part of the group D Streptococcus system – is a Gram-positive, commensal bacterium inhabiting the gastrointestinal tracts of humans and other mammals. Like other species in the genus Enterococcus, E.BacitracinThiol-activated cytolysin: Cholesterol-binding cytolysin, previously incorrectly known as 'thiol-activated' cytolysins Bacterial Disease Mechanisms: Michael Wilson, Rod McNab, Brian Henderson (2002)" are toxins produced by a variety of Gram-positive bacteria and are characterised by their ability to lyse cholesterol-containing membranes, their reversible inactivation by oxidation and their capacity to bind to cholesterol.Streptococcus intermedius: Streptococcus intermedius is a commensal bacterium and a member of the Streptococcus anginosus group. The S.Streptococcal pharyngitisDental plaque: Dental plaque is a biofilm or mass of bacteria that grows on surfaces within the mouth. It appears as a white or pale yellow "slime layer", that is commonly found between the teeth and along the cervical margins.Erythromycin 3''-O-methyltransferase: Erythromycin 3-O-methyltransferase (, EryG) is an enzyme with system name S-adenosyl-L-methionine:erythromycin C 3-O-methyltransferase. This enzyme catalyses the following chemical reactionGentamicin protection assay: The gentamicin protection assay or survival assay or invasion assay is a method used in microbiology. It is used to quantify the ability of pathogenic bacteria to invade eukaryotic cells.Saliva testing: Saliva testing is a diagnostic technique that involves laboratory analysis of saliva to identify markers of endocrine, immunologic, inflammatory, infectious, and other types of conditions. Saliva is a useful biological fluid for assaying steroid hormones such as cortisol, genetic material like RNA, proteins such as enzymes and antibodies, and a variety of other substances, including natural metabolites, including saliva nitrite, a biomarker for nitric oxide status (see below for Cardiovascular Disease, Nitric Oxide: a salivary biomarker for cardio-protection).Coles PhillipsBacterial capsule: The cell capsule is a very large structure of some prokaryotic cells, such as bacterial cells. It is a polysaccharide layer that lies outside the cell envelope of bacteria, and is thus deemed part of the outer envelope of a bacterial cell.Dental cariesPolysaccharide encapsulated bacteriaExtended-spectrum penicillin: The extended-spectrum penicillins are a group of antibiotics that have the widest antibacterial spectrum of all penicillins.Comprehensive Pharmacy Review, Leon Shargel, 6th edition, p917 Some sources identify them with antipseudomonal penicillins,Elsevier's Integrated Review Pharmacology, By Mark Kester, Kelly Dowhower Karpa, Kent E.Streptococcus constellatus: ==Introduction==Glycoside hydrolase family 66: In molecular biology, glycoside hydrolase family 66 is a family of glycoside hydrolases.Resistome: The resistome is a proposed expression by Gerard D. Wright for the collection of all the antibiotic resistance genes and their precursors in both pathogenic and non-pathogenic bacteria.Abscisate beta-glucosyltransferase: Abscisate beta-glucosyltransferase (, ABA-glucosyltransferase, ABA-GTase, AOG) is an enzyme with system name UDP-D-glucose:abscisate beta-D-glucosyltransferase. This enzyme catalyses the following chemical reactionEagle's minimal essential medium: Eagle's minimal essential medium (EMEM) is a cell culture medium developed by Harry Eagle that can be used to maintain cells in tissue culture.Actinomyces israelii: Actinomyces israelii is a species of Gram-positive, rod-shaped bacteria within the Actinomyces. Known to live commensally on and within humans, A.Virulence: Virulence is, by MeSH definition, the degree of pathogenicity within a group or species of parasites as indicated by case fatality rates and/or the ability of the organism to invade the tissues of the host. The pathogenicity of an organism - its ability to cause disease - is determined by its virulence factors.Macrolide: The macrolides are a group of drugs (typically antibiotics) whose activity stems from the presence of a macrolide ring, a large macrocyclic lactone ring to which one or more deoxy sugars, usually cladinose and desosamine, may be attached. The lactone rings are usually 14-, 15-, or 16-membered.Trimeric autotransporter adhesin: In molecular biology, trimeric autotransporter adhesins (TAAs), are proteins found on the outer membrane of Gram-negative bacteria. Bacteria use TAAs in order to infect their host cells via a process called cell adhesion.Replica plating: 350px|right|thumb|[[Negative selection (artificial selection)|Negative selection through replica plating to screen for ampicillin sensitive colonies]]Infective endocarditisAvery–MacLeod–McCarty experimentAnaerobacter: Anaerobacter are a genus of Gram-positive bacteria related to Clostridium. They are anaerobic chemotrophs and are unusual spore-formers as they produce more than one spore per bacterial cell (up to five spores).ATC code S01: ==S01A Anti-infectives==BiofilmCSF glucose: (MCnc), (SCnc)Bacteriocin: Bacteriocins are proteinaceous toxins produced by bacteria to inhibit the growth of similar or closely related bacterial strain(s). They are phenomenologically analogous to yeast and paramecium killing factors, and are structurally, functionally, and ecologically diverse.DNA sequencer: A DNA sequencer is a scientific instrument used to automate the DNA sequencing process. Given a sample of DNA, a DNA sequencer is used to determine the order of the four bases: G (guanine), C (cytosine), A (adenine) and T (thymine).VanY protein domain: In molecular biology, VanY are protein domains found in enzymes named metallopeptidases. They are vital to bacterial cell wall synthesis and antibiotic resistance.ClinafloxacinExogenous bacteria: Exogenous bacteria are microorganisms introduced to closed biological systems from the external world. They exist in aquatic and terrestrial environments, as well as the atmosphere.ActoBiotics: ActoBiotics (a registered trademark) consist of food-grade bacteria (Lactococcus lactis), genetically engineered to synthesize and secrete therapeutic proteins and peptides in situ. ActoBiotics are delivered to patients via oral administration instead of injection, and specifically target receptors and cells localized in gastrointestinal (GI) tissues.Pneumococcal vaccine: A pneumococcal vaccine is a vaccine against Streptococcus pneumoniae.Teichoic acid: Teichoic acids (cf. Greek τεῖχος, teīkhos, "wall", to be specific a fortification wall, as opposed to τοῖχος, toīkhos, a regular wall) are bacterial polysaccharides of glycerol phosphate or ribitol phosphate linked via phosphodiester bonds.Cell envelope: The cell envelope comprises the inner cell membrane and the cell wall of a bacterium, if present, plus a bacterial outer membrane, if one is present (i.e.Decyl polyglucose: Decyl polyglucose is a mild non-ionic synthetic surfactant. It is a type of alkylpolyglycoside derived from glucose or starch and the fatty alcohol decanol.Protein primary structure: The primary structure of a peptide or protein is the linear sequence of its amino acid structural units, and partly comprises its overall biomolecular structure. By convention, the primary structure of a protein is reported starting from the amino-terminal (N) end to the carboxyl-terminal (C) end.Bacterial outer membraneSymmetry element: A symmetry element is a point of reference about which symmetry operations can take place. In particular, symmetry elements can be centers of inversion, axes of rotation and mirror planes.SortaseClindamycinKetolideBacteremia: (NOS) |Aerococcus sanguinicola: Aerococcus sanguinicola is a member of the bacterial genus Aerococcus and is a gram-positive, catalase negative, coccus growing in clusters. This species was defined in 2001 and has since then been increasingly recognized as a pathogen causing urinary tract infections and also invasive infections including infective endocarditis.ATC code J07: ==J07A Bacterial vaccines==AllolactoseTympanocentesis: Tympanocentesis is the drainage of fluid from the middle ear usually caused by otitis media, by using a small-gauge needle to puncture the tympanic membrane, also known as the eardrum.Sucrose gap: The sucrose gap technique is used to create a conduction block in nerve or muscle fibers. A high concentration of sucrose is applied to the extracellular space to increase resistance between two groups of cells, which prevents the correct opening and closing of sodium and potassium channels.Silent mutation: Silent mutations are mutations in DNA that do not significantly alter the phenotype of the organism in which they occur. Silent mutations can occur in non-coding regions (outside of genes or within introns), or they may occur within exons.OST4: In molecular biology, OST4 (Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4) is a subunit of the oligosaccharyltransferase complex.