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Bakteriella toxiner Flashcards Quizlet

Many others cause damage to host cells. Exotoxins are A. proteins. B. only released after a cell is damaged or lysed. C. antiphagocytic factors. D. secretions that always target nervous tissue.

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This chemical difference results in differences in heat stability, as well as differences in the host’s immune response to the toxin. Exotoxins usually contribute to the infection process but endotoxins do not. Both, however, are considered virulence factors. Describe these two types of toxins and explain these statements. Exotoxins vary in their cytotoxic potency, with the clostridial neurotoxins being the most potent exotoxins of humans. Exotoxins also vary with respect to the host that can be intoxicated.

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Enterotoxins are chromosomally encoded or plasmid encoded  BIOL 1353 - Exam 4 - Mastering - Ch 15 Flashcards | Quizlet. Compare Exotoxin vs Endotoxin of Bacteria | Easy Biology Class. Mechanisms of Pathogenicity  BIO251 Exam 3 HW Flashcards | Quizlet. Differences between Exotoxins and Endotoxins | Lab Tests Guide.

Bakteriella toxiner Flashcards Quizlet

Most … Naming Exotoxins. 1. Type of host cell attacked. Ex-neurotoxins & nerve cells, cardiotoxins & heart cells, hepatotoxins & liver cells, enterotoxins & lining of gastrointestinal tract, … Exotoxins. Transported in the blood through body fluids like blood and lymph.

they are then secreted or released following lysis into the surrounding medium 3 Principal Types of Exotoxins Types. Many exotoxins have been categorized.
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Exotoxins: They are heat labile, proteinaceous toxic substances that are released by some bacteria into the surrounding. Most of the exotoxins are produced by Gram-positive bacteria. Some Gram-negative bacteria can also produce exotoxins. Exotoxins are usually secreted by bacteria and act at a site removed from bacterial growth. However, in some cases, exotoxins are only released by lysis of the bacterial cell.

They are considered to be among the most lethal substances as they can easily disseminate in blood for their high solubility. A little amount of bacterial exotoxins is sufficient to be a lethal dose.
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Streptococcus pyogenes exotoxin —

Exotoxins, taxoids can be made by treating with formaldehyde but treated toxins show immunogenicity.