Microbiology with Diseases by Body System (4th Edition)
Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 24, Problem 5SA
Summary Introduction

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The reason that scientists had problems identifying virulence factors of Treponema pallidum.

Introduction:

Treponema pallidum causes syphilis. This spirochete has helical cells that are so narrow that they are difficult to observe by a regular light microscope with Gram-staining. Therefore, scientists use either dark-field microscopy or phase contrast microscopy or special stains to increase contrast.

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Microbiology with Diseases by Body System (4th Edition)

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