beta hemolysin

beta hemolysin
1. a hemolysin that produces beta hemolysis. 2. the hemolysin of the beta toxin of Staphylococcus aureus; it is a sphingomyelinase that lyses human and sheep erythrocytes in the cold following a warm incubation. See also staphylococcal toxin, under toxin.

Medical dictionary. 2011.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Hemolysin — Pfam box Symbol = Leukocidin Name = width =250 caption =Alpha hemolysin, a transmembrane heptamer Pfam= PF07968 InterPro= IPR001340 SMART= Prosite = SCOP = TCDB = OPM family= 35 OPM protein= 7ahl PDB=PDB3|1t5rH:57 303 PDB3|1lkfA:60 310 PDB3|2lkfA …   Wikipedia

  • hot-cold hemolysin — a hemolysin that lyses erythrocytes in the cold following preliminary warm incubation, such as the beta hemolysin of Staphylococcus aureus …   Medical dictionary

  • CAMP test — [Christie, Atkins, and Munch Petersen, discoverers of the phenomenon] (for the presumptive identification of Group B beta hemolytic streptococci) a culture of streptococcus is streaked on a blood agar plate near a streak of beta lysin–producing …   Medical dictionary

  • β staphylolysin — beta staphylolysin a hot cold hemolysin produced by staphylococci which lyses sheep but not rabbit erythrocytes in the cold following preliminary incubation at 37°C …   Medical dictionary

  • Pore forming toxins — (PFTs) are protein toxins, typically, (but not exclusively) produced by bacteria, such as C.perfringens and S.aureus . They are frequently cytotoxic (i.e., they kill cells) as they create unregulated pores in the membrane of targeted cells.Types… …   Wikipedia

  • Nanopore sequencing — is a method under development since 1995 [1][2] for determining the order in which nucleotides occur on a strand of DNA. A nanopore is simply a small hole, of the order of 1 nanometer in internal diameter. Certain transmembrane cellular proteins… …   Wikipedia

  • cyaA — Bifunctional hemolysin adenylate cyclase precursor Crystal structure of the N terminal adenylyl cyclase domain (ACD) of B. pertussis cyaA complexed with the C terminal domain of Xenopus calmodulin.[1] …   Wikipedia

  • Transmembrane protein — A transmembrane protein is a protein that spans the entire biological membrane. Transmembrane proteins aggregate and precipitate in water. They require detergents or nonpolar solvents for extraction, although some of them (beta barrels) can be… …   Wikipedia

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Hemolysis (microbiology) — Hemolysis is the breakdown of red blood cells. The ability of bacterial colonies to induce hemolysis when grown on blood agar is used to classify certain microorganisms. This is a particularly useful in classifying streptococcal species. A… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”