Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case Microbiology B.E Pruitt & Jane J. Stein AN INTRODUCTION EIGHTH EDITION TORTORA FUNKE CASE Chapter 27, part C Environmental Microbiology
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Pollutants (nutrients) may cause algal blooms. Algal blooms lead to eutrophication. Algal Blooms Figure 27.15
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Aerobic or facultatively anaerobic, gram-negative, non–endospore forming rods that ferment lactose to acid + gas within 48 hr, at 35°C Indicator organisms Used to detect fecal contamination MPN Most probable number/100 ml of water Coliforms
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Multiple-Tube Method Figure 6.18a
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Multiple-Tube Method Figure 6.18b
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings ONPG causes E. coli to make -galactosidase MUG Test Figure MUGfluorescent compound - galactosidase
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Municipal Water Treatment Figure 27.17
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Municipal Sewage Treatment Figure 27.19
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Activated Sludge Figure 27.20a,b
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings CO H 2 CH H 2 O CH 3 COOH CH 4 + CO 2 Anaerobic Sludge Digester Figure 27.23