Microbiology: An Introduction, 11th Edition

Published by Benjamin Cummings
ISBN 10: 0321733606
ISBN 13: 978-0-32173-360-3

Chapter 24 - Microbial Diseases of the Respiratory System - Study Questions - Critical Thinking - Page 710: 1

Answer

S. pyogenes causing strep throat achieve resistance to phagocytosis by production of Streptokinases lysing fibrin clots and hence are cytotoxic to tissues. S. pyogenes causing Scarlet fever produce a erythrogenic toxin which cause pinkish red rashes due to hypersensitivity causing Scarlet fever

Work Step by Step

S. pyogenes causing strep throat achieve resistance to phagocytosis by production of Streptokinases lysing fibrin clots and hence are cytotoxic to tissues. S. pyogenes causing Scarlet fever produce a erythrogenic toxin which cause pinkish red rashes due to hypersensitivity causing Scarlet fever
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