Abstract
Leukotoxins are a group of exotoxins that produce their primary toxic effects against leukocytes, especially polymorphonuclear cells (PMNs). Leukotoxins include a variety of chemicals ranging from 9,10-epoxy 12-octadecenoate, a fatty acid derivative secreted by leukocytes themselves, to proteins such as RTX (repeats in toxin). This review focuses on leukotoxins of three species of gram-negative bacteria, Mannheimia (Pasteurella) haemolytica, Actinobacillus actinomycetemcomitans, and Fusobacterium necrophorum.
MeSH terms
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Aggregatibacter actinomycetemcomitans / metabolism
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Aggregatibacter actinomycetemcomitans / pathogenicity
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Bacterial Toxins / biosynthesis
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Bacterial Toxins / chemistry
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Bacterial Toxins / genetics
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Exotoxins / biosynthesis*
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Exotoxins / genetics
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Exotoxins / physiology
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Fusobacterium necrophorum / metabolism
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Fusobacterium necrophorum / pathogenicity
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Gram-Negative Bacteria / metabolism*
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Gram-Negative Bacteria / pathogenicity
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Mannheimia haemolytica / metabolism
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Mannheimia haemolytica / pathogenicity
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Virulence
Substances
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Bacterial Toxins
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Exotoxins
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leukotoxin