Prescott's Microbiology
Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 22, Problem 1AL
Summary Introduction

All the purple non-sulfur bacteria belong to α-proteobacteria, except Rhodocyclus. Rhodospirillum rubrum is a purple non-sulfur bacteria. It is a gram-negative, facultative anaerobe and is spiral shaped. R. rubrum is found in most of the natural aquatic environment such as lakes, ponds, streams, and also in sewage and mud.

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Prescott's Microbiology

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