lysin

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lysin

 [li´sin]
1. an antibody that causes complement-dependent lysis of cells; often used with a prefix indicating the target cells, as hemolysin or bacteriolysin.
2. any substance that causes cell lysis.

ly·sin

(lī'sin),
1. A specific complement-fixing antibody that acts destructively on cells and tissues; the various types are designated in accordance with the form of antigen that stimulates the production of the lysin, for example, hemolysin, bacteriolysin.
2. Any substance that causes lysis.

lysin

(lī′sĭn)
n.
1. A substance that is capable of causing lysis.
2. An antibody that acts in conjunction with complement to cause lysis of cells.

lysin

As a stand-alone word, a nonspecific term for:
(1) An antibody, especially a complement-fixing antibody; 
(2) Any substance capable of lysing something.

As a root (-lysin), the lysing of that with which it is partnered, as in:
(1) Bacteriolysin;
(2) Gametolysin; 
(3) Haemolysin, etc.

ly·sin

(lī'sin)
1. A complement-fixing antibody that acts destructively on cells and tissues; the various types are designated in accordance with the form of antigen that stimulates the production of the lysin, e.g., hemolysin, bacteriolysin.
2. Any substance that causes lysis.

lysin

Any substance capable of causing LYSIS, especially a specific antibody that brings about a COMPLEMENT FIXATION reaction.

lysin

a type of ANTIBODY.

ly·sin

(lī'sin)
1. A complement-fixing antibody that acts destructively on cells and tissues; the various types are designated in accordance with the form of antigen that stimulates the production of the lysin, e.g., hemolysin, bacteriolysin.
2. Any substance that causes lysis.
References in periodicals archive ?
And we have made significant progress already - from exebacase, our lead lysin candidate, reporting demonstrably higher clinical responder rates in MRSA patients in a Phase 2 study, to being awarded over $16 million of new, non-dilutive grant funding since the beginning of the year.
Lysin structure reflects this dissimilar biological activity.
Lysins are being used in the fight against Clostridium perfringens, which causes necrotic enteritis in poultry and also is a leading cause of food poisoning in people.
And it covers lysins that can be used to spot or selectively destroy Listeria and Clostridium, which is known for its heat-resistant, neurotoxin producing spores that can survive in badly processed foods, and cause different ailments in humans.
Lysins are bacteriophage-derived enzymes that cleave the essential bonds in the bacterial cell wall leading to rapid killing of the target bacteria.
The present results, considered together with initial results from sperm lysins and egg proteins, suggest that the consequences for the evolution of gametic isolation may be complex.
This patent, named 'Streptococcus bacteriophage lysins for detection and treatment of gram positive bacteria,' includes composition claims for the CF-301 sequence and variants having at least 80% identity.
Classic studies on echinoderms have shown that contact with the egg jelly coat induces exocytosis of the acrosomal vesicle, which releases lysins that dissolve the egg envelopes (see reviews by Colwin et al., 1975; Tilney, 1985; Epel and Vacquier, 1978).
Both mechanical (e.g., embryo expansion and contraction) and chemical (e.g., zona lysins) factors are thought to shape zona architecture during preimplantation development of the embryo.
Third-type cells may phagocytize trapped matter and secrete antibacterial lysins (Bang and Bang, 1962; Dybas, 1981a).
CP, coastal salt pond; NB, Narragansett Bay; NR, not recorded; tdh, thennostable direct hemo lysin; tlh, thermolabile hemolysin; trh, thermostable-related hemolysin.