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Copyright © 2009 Pearson Education, Inc. Art and Photos in PowerPoint ® Concepts of Genetics Ninth Edition Klug, Cummings, Spencer, Palladino Chapter 17.

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Presentation on theme: "Copyright © 2009 Pearson Education, Inc. Art and Photos in PowerPoint ® Concepts of Genetics Ninth Edition Klug, Cummings, Spencer, Palladino Chapter 17."— Presentation transcript:

1 Copyright © 2009 Pearson Education, Inc. Art and Photos in PowerPoint ® Concepts of Genetics Ninth Edition Klug, Cummings, Spencer, Palladino Chapter 17 Regulation of Gene Expression in Prokaryotes Copyright © 2009 Pearson Education, Inc.

2 17.1Prokaryotes Regulate Gene Expressions in Response to Environmental Conditions

3 Copyright © 2009 Pearson Education, Inc. 17.2Lactose Metabolism in E. coli Is Regulated by an Inducible System

4 Copyright © 2009 Pearson Education, Inc. Figure 17.1

5 Copyright © 2009 Pearson Education, Inc. 17.2Lactose Metabolism in E. coli Is Regulated by an Inducible System 17.2.1 Structural Genes

6 Copyright © 2009 Pearson Education, Inc. Figure 17.2

7 Copyright © 2009 Pearson Education, Inc. Figure 17.3

8 Copyright © 2009 Pearson Education, Inc. Figure 17.4

9 Copyright © 2009 Pearson Education, Inc. 17.2Lactose Metabolism in E. coli Is Regulated by an Inducible System 17.2.2 The Discovery of Regulatory Mutations

10 Copyright © 2009 Pearson Education, Inc. 17.2Lactose Metabolism in E. coli Is Regulated by an Inducible System 17.2.3 The Operon Model: Negative Control

11 Copyright © 2009 Pearson Education, Inc. Figure 17.5

12 Copyright © 2009 Pearson Education, Inc. Figure 17.5a

13 Copyright © 2009 Pearson Education, Inc. Figure 17.5b

14 Copyright © 2009 Pearson Education, Inc. Figure 17.5c

15 Copyright © 2009 Pearson Education, Inc. Figure 17.6a

16 Copyright © 2009 Pearson Education, Inc. Figure 17.6b

17 Copyright © 2009 Pearson Education, Inc. 17.2Lactose Metabolism in E. coli Is Regulated by an Inducible System 17.2.4 Genetic Proof of the Operon Model

18 Copyright © 2009 Pearson Education, Inc. Table 17.1 constitutive cis element trans element

19 Copyright © 2009 Pearson Education, Inc. Figure 17.7

20 Copyright © 2009 Pearson Education, Inc. 17.3The Catabolite-Activating Protein (CAP) Exerts Positive Control over the lac Operon

21 Copyright © 2009 Pearson Education, Inc. Figure 17.8

22 Copyright © 2009 Pearson Education, Inc. Figure 17.8a

23 Copyright © 2009 Pearson Education, Inc. Figure 17.8b

24 Copyright © 2009 Pearson Education, Inc. Figure 17.9

25 Copyright © 2009 Pearson Education, Inc. 17.4Crystal Structure Analysis of Repressor Complexes Has Confirmed the Operon Model

26 Copyright © 2009 Pearson Education, Inc. Figure 17.10

27 Copyright © 2009 Pearson Education, Inc. Figure 17.11c

28 Copyright © 2009 Pearson Education, Inc. 17.5The Tryptophan (trp) Operon in E. coli Is a Repressible Gene System

29 Copyright © 2009 Pearson Education, Inc. Figure 17.12

30 Copyright © 2009 Pearson Education, Inc. Figure 17.12a

31 Copyright © 2009 Pearson Education, Inc. Figure 17.12b

32 Copyright © 2009 Pearson Education, Inc. Figure 17.12c

33 Copyright © 2009 Pearson Education, Inc. 17.6Attenuation Is a Critical Process during the Regulation of the trp Operon in E. coli

34 Copyright © 2009 Pearson Education, Inc. Figure 17.13

35 Copyright © 2009 Pearson Education, Inc. Figure 17.13ab

36 Copyright © 2009 Pearson Education, Inc. Figure 17.13c

37 Copyright © 2009 Pearson Education, Inc. Figure 17.13d

38 Copyright © 2009 Pearson Education, Inc. 17.7TRAP and AT Proteins Govern Attenuation in B. subtilis TRAP = trp RNA-binding attenuation protein AT = anti-TRAP

39 Copyright © 2009 Pearson Education, Inc. Figure 17.14

40 Copyright © 2009 Pearson Education, Inc. Figure 17.14a

41 Copyright © 2009 Pearson Education, Inc. Figure 17.14b

42 Copyright © 2009 Pearson Education, Inc.

43 17.8The ara Operon Is Controlled by a Regulator Protein That Exerts Both Positive and Negative Control

44 Copyright © 2009 Pearson Education, Inc. Figure 17.15

45 Copyright © 2009 Pearson Education, Inc. Figure 17.15a

46 Copyright © 2009 Pearson Education, Inc. Figure 17.15b

47 Copyright © 2009 Pearson Education, Inc. Figure 17.15c


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