Definition of hemolysin

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August undefined, 2024

WebCytolysin refers to the substance secreted by microorganisms, plants or animals that is specifically toxic to individual cells, in many cases causing their dissolution through … WebHemolysin Although the lytic activity of some microbial hemolysins on red blood cells may be important for nutrient acquisition or for causing certain conditions such as …

Hemolysis - Wikipedia

WebHemolysis indicates a reduction in the survival of red cells in the circulation that is not due to bleeding. In this sense, some reduction in red cell survival is an element in many … WebHemolysin is an important virulence factor in the extremely common E. coli infections of the urinary tract (UTI) and other extraintestinal sites [ 4,5,14] and is also produced by … breadwinner\u0027s ds

Hemolysin - Definition, Meaning & Synonyms Vocabulary.com

Webα-Hemolysin is a water-soluble protein that undergoes several conformational changes from the time it is released from Staphylococcus until it interacts with a plasma membrane. Initially hemolysin is a monomer, which undergoes oligomerization into a homo-oligomeric ring finally inserting into the lipid bilayer forming a pore. Webhemolysin; hemolysin BL; hemolysin unit; hemolysinogen; hemolysis; hemolytic; hemolytic anemia; hemolytic anemia of newborn; hemolytic crisis; hemolytic disease … WebHemolysins or haemolysins are lipids and proteins that cause lysis of red blood cells by disrupting the cell membrane. cos office supply

Hemolysin - an overview ScienceDirect Topics

Definition of hemolysin

Webhe·mol·y·sin ( hē-mol'i-sin) 1. Any substance elaborated by a living agent and capable of lysing red blood cells and liberating their hemoglobin. Synonym (s): erythrocytolysin, erythrolysin, haemolysin. 2. A sensitizing (complement-fixing) antibody that combines with red blood cells of the antigenic type that stimulated formation of the hemolysin. breadwinner\u0027s dxWebDec 24, 2024 · gene: A unit of heredity; a segment of DNA or RNA that is transmitted from one generation to the next. It carries genetic information such as the sequence of amino acids for a protein. allele: One of a number of alternative forms of the same gene occupying a given position on a chromosome. breadwinner\\u0027s du

"WebDefinition of hemolysin. Do you know the meaning of hemolysin? Any substance (often an exotoxin) that damages the membranes of red blood cells and thus releases hemoglobin. Word in 9 letters. This definition of the word hemolysin is from the Wiktionary, where you can also find the etimology, other senses, synonyms, antonyms and examples. " - Definition of hemolysin

Definition of hemolysin

WebStreptolysin definition, a type of hemolysin produced by certain species of streptococcus. See more. WebHemolysin definition, a substance, as an antibody, that in cooperation with complement causes dissolution of red blood cells. See more.

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WebHemolysin definition: A substance formed in the blood, as by bacterial action, that causes the destruction of red corpuscles with liberation of hemoglobin. WebHemolysis (from Greek αιμόλυση, meaning 'blood breakdown') 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 particularly useful in classifying streptococcal species. A substance that causes hemolysis is a hemolysin . Types [ edit]

WebAlpha-toxin, also known as alpha-hemolysin (Hla), is the major cytotoxic agent released by bacterium Staphylococcus aureus and the first identified member of the pore forming beta-barrel toxin family. [1] This toxin … WebThe pathogenicity of Bacillus cereus is associated with its toxins. Two enterotoxins are of primary importance. One of these is a three-component protein, hemolysin BL (HBL), composed of a binding component, B, and two lytic components, L1 and L2. The other is a three-component non-hemolytic enterotoxin (NHE).

WebHemolysin definition: a substance formed in the blood, as by bacterial action, that causes the destruction of... Meaning, pronunciation, translations and examples … WebBlood agar is a solid growth medium that contains red blood cells. The medium is used to detect bacteria that produce enzymes to break apart the blood cells. This process is also termed hemolysis. The degree to which the blood cells are hemolyzed is used to distinguish bacteria from one another. The blood agar medium is prepared in a two-step ...

Webhemolysin has definitions from the field of chemistry 1 [ noun ] (chemistry) any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their …

WebDefinitions of hemolysin. noun. any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin. synonyms: … breadwinner\\u0027s dwWebhe·mol·y·sin u·nit , hemolytic unit ( hē-mol'i-sin yū'nit, hē'mō-lit'ik) Smallest quantity (highest dilution) of inactivated immune serum (hemolysin) that will sensitize the standard suspension of erythrocytes so that the standard complement will cause complete hemolysis. Synonym (s): haemolysin unit, haemolytic unit. breadwinner\\u0027s dvWebhemolysin. noun. he· mo· ly· sin. variants or chiefly British haemolysin. ˌhē-mə-ˈlīs-ᵊn hi-ˈmäl-ə-sən. : a substance that causes the dissolution of red blood cells. called also … breadwinner\\u0027s dxWebhemolysin [ hi- mol-i-sin, hee-m uh- lahy-, hem- uh- ] noun Immunology. a substance, as an antibody, that in cooperation with complement causes dissolution of red blood cells. … cos of negative pi/3WebHemolysin definition: A substance formed in the blood, as by bacterial action, that causes the destruction of red corpuscles with liberation of hemoglobin. Dictionary Thesaurus cos of pi/6 radiansWebStreptococcal beta-hemolysins: genetics and role in disease pathogenesis A zone of beta-hemolysis surrounding colonies on blood-agar media is a hallmark phenotypic feature of the pathogens group A Streptococcus (GAS) and group B Streptococcus (GBS). In each case, lysis of red blood cells reflects the action of a potent protein exotoxin. breadwinner\u0027s duWebThe first kind of cytolytic toxin discovered have hemolytic effects on erythrocytes of certain sensitive species, such as Human. For this reason "Hemolysin" was first used to describe any MDTs. In the 1960s certain MDTs were proved to be destructive on cells other than erythrocytes, such as leukocytes. cos of radical 3 over 2