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E-raamat: Bacterial Pathogenesis: A Molecular Approach

(University of Illinois at Urbana-Champaign, Urbana-Champaign, IL), (University of London, London, UK), (Indiana University, Bloomington, IN)
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  • Ilmumisaeg: 11-Aug-2020
  • Kirjastus: American Society for Microbiology
  • Keel: eng
  • ISBN-13: 9781555819415
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  • Formaat: PDF+DRM
  • Sari: ASM Books
  • Ilmumisaeg: 11-Aug-2020
  • Kirjastus: American Society for Microbiology
  • Keel: eng
  • ISBN-13: 9781555819415

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Revised and updated edition of the work originally authored by Abigail Salyers and Dixie Whitt.
Preface xvii
In Memoriam xix
About the Authors xxi
Chapter 1 The Power of Bacteria 2(20)
Why Are Bacteria So Much in the Public Health Spotlight Nowadays?
3(1)
Bacteria, a Formidable Ancient Life Form
4(2)
Pressing Current Infectious Disease Issues
6(4)
Emerging and Reemerging Infectious Diseases
6(1)
Foodborne and Waterborne Infections
7(1)
Modern Medicine as a Source of New Diseases
8(1)
Postsurgical and Other Wound Infections
9(1)
Bioterrorism
10(1)
A New Respect for Prevention
10(2)
Surveillance: An Early Warning System
11(1)
Making Hospitals Safe for Patients
12(1)
And Now for Some Good News: You've Got a Bacterial Infection!
12(2)
The Helicobacter pylori Revolution
12(1)
The Aftermath
13(1)
Microbiota Shift Diseases
13(1)
A Brave New World of Pathogenesis Research
14(4)
The New Age of Genomics
16(1)
Insights into Pathogen Evolution
17(1)
Modeling the Host-Pathogen Interaction in Experimental Animals
17(1)
Correlation Studies
18(1)
Selected Readings
18(2)
Questions
20(2)
Chapter 2 Skin and Mucosa: The First Lines of Defense against Bacterial Infections 22(18)
The Best Defense: Avoid, Reduce, and Prevent Exposure!
23(1)
Barriers: Skin and Mucosal Membranes
24(13)
The Layers of Cells That Protect the Body
24(3)
Normal Microbiota of the Skin and Mucosa
27(4)
Defenses of the Skin
31(1)
Defenses of Mucosal Surfaces
32(2)
Special Defenses of the Gastrointestinal Tract
34(2)
Special Defenses of the Urogenital Tract
36(1)
Special Defenses of the Respiratory Tract
36(1)
Immune Defenses of the Skin and Mucosa
37(1)
Models for Studying Breaches of Barrier Defenses
38(1)
Selected Readings
39(1)
Questions
39(1)
Chapter 3 The Innate Immune System: Always on Guard 40(32)
Triggering Innate Immune Defenses
41(1)
Innate Immune Cells That Defend Blood and Tissue
42(8)
Neutrophils (PMNs)
42(1)
Monocytes, Macrophages, and Dendritic Cells (DCs)
42(5)
Granulocytes: Basophils, Mast Cells, and Eosinophils
47(1)
Transmigration-How Do Phagocytes Know When and Where to Go?
47(1)
Natural Killer (NK) Cells
48(2)
The Lymphatic System
50(1)
How Phagocytes Recognize and Respond to Bacteria
50(4)
How Phagocytes Kill Bacteria
54(3)
Oxidative Burst in Phagolysosomes
54(2)
Autophagy-Another Pathway for the Killing of Intracellular Pathogens
56(1)
The Complement Cascade
57(6)
Complement Proteins
57(1)
Overview of Complement Pathways and Their Function
58(2)
Steps in Complement Activation
60(2)
Controlling Complement Activation
62(1)
Cytokines and Chemokines-Mediators of Immune Responses
63(3)
Roles of Cytokines and Chemokines in Directing Innate Immune Responses
63(2)
Inflammation and Collateral Damage
65(1)
Septic Shock: The Dark Side of the Innate Defenses
66(3)
Other Innate Defenses of the Body-Nutritional Immunity
69(1)
Selected Readings
70(1)
Questions
70(2)
Chapter 4 The Adaptive Defenses: Antibodies and Cytotoxic T Cells 72(26)
The Specialists: Adapting to a Particular Pathogen Challenge
73(1)
B Cells: Producers of Antibodies
74(7)
The Humoral (Antibody) Immune Response
74(1)
Characteristics of Antibodies and Their Diverse Roles in Preventing Infection
74(2)
Serum Antibodies
76(2)
Secretory Antibodies: Antibodies That Protect Mucosal Surfaces
78(1)
Pathogen and Toxin Neutralization by Antibodies
79(1)
Affinity and Avidity
80(1)
Cytotoxic T Cells, Also Known as Cytotoxic T Lymphocytes (CTLs)
81(1)
Cytotoxic T Lymphocytes: Critical Defense against Intracellular Pathogens
81(1)
Antigen Presentation to the Immune System
82(6)
Processing of Protein Antigens by Dendritic Cells
82(2)
Interaction between APCs and T Cells: The T-Cell-Dependent Response
84(2)
Th-(Th1/Th2/Th17)-Cell-Mediated Immunity
86(1)
Production of Antibodies by B Cells
87(1)
Links between the Innate and Adaptive Defense Systems
88(1)
T-Cell-Independent Antibody Responses
89(1)
Mucosal Immunity: IgA/sIgA Antibodies
89(3)
Development of the Adaptive Immune System from Infancy to Adulthood
92(1)
Adaptive Defense Systems in Nonmammals
93(1)
The Dark Side of the Adaptive Defenses: Autoimmune Disease
93(1)
Selected Readings
94(1)
Questions
94(1)
Solving Problems in Bacterial Pathogenesis
95(3)
Chapter 5 The Microbiota of the Human Body: Microbiomes and Beyond 98(36)
Importance of the Normal Resident Microbial Populations (Microbiota) of the Human Body
99(1)
Characterization of the Body's Microbiota
100(23)
Taking a Microbial Census by Using Microbial rRNA Gene Sequence Analysis
101(14)
Characterizing Microbiomes by Using Metagenomic Analysis
115(2)
Beyond the Metagenome
117(6)
Overview of the Human Microbiota
123(7)
Skin Microbiota
124(1)
Oropharyngeal Microbiota
125(1)
Microbiota of the Small Intestine and Colon
125(3)
Microbiota of the Vaginal Tract
128(2)
The Other Microbiota: The Forgotten Eukaryotes
130(1)
Selected Readings
130(1)
Questions
131(2)
Solving Problems in Bacterial Pathogenesis
133(1)
Chapter 6 Microbes and Disease: Establishing a Connection 134(22)
History and Relevance of Koch's Postulates
136(2)
Early Germ Theory
136(1)
Koch's Postulates: A Set of Criteria Used To Establish a Microbe-Disease Connection
137(1)
Challenges to Satisfying Koch's Postulates
138(5)
Easier Said than Done
138(1)
The First Postulate: Association of the Microbe with Lesions of the Disease
139(1)
The Second Postulate: Isolating the Bacterium in Pure Culture
140(1)
The Third Postulate: Showing that the Isolated Bacterium Causes Disease Experimentally in Humans or Animals
141(2)
The Fourth Postulate: Reisolating the Bacterium from the Intentionally Infected Animal
143(1)
Modern Alternatives To Satisfy Koch's Postulates
143(4)
Detecting the Presence of the Pathogen Only in Diseased Tissues
143(1)
Eliminate the Pathogen and Prevent or Cure the Disease
144(3)
Comparative Infectious Disease Causation
147(1)
The Microbiota Shift Disease Problem
147(2)
Koch's Postulates and Pathogenic Microbial Communities
147(1)
Keystone Pathogens and Microbial Shift Diseases
147(2)
Molecular Koch's Postulates
149(1)
Concepts of Disease
150(2)
Varieties of Human-Microbe Interactions
150(1)
Views of the Human-Microbe Interaction
150(2)
Virulence as a Complex Phenomenon
152(1)
Selected Readings
152(1)
Questions
153(1)
Solving Problems in Bacterial Pathogenesis
153(3)
Chapter 7 Mechanisms of Genetic Modification and Exchange: Role in Pathogen Evolution 156(26)
Adapt or Perish
158(1)
Acquiring New Virulence Traits by Horizontal Gene Transfer
158(1)
Mechanisms of Genetic Change and Diversification
158(4)
Spontaneous Mutation
158(1)
Phase Variation
159(2)
Antigenic Variation
161(1)
Horizontal Gene Transfer: Mobile Genetic Elements
162(9)
Natural Transformation
162(3)
Conjugation: Plasmids and Transposons
165(6)
Phage Transduction
171(1)
Control of Horizontal Gene Transfer
171(3)
Toxin-Antitoxin Systems-Retaining the Goods
171(2)
Restriction-Modification Systems-Bacterial Innate Immunity from Foreign DNA
173(1)
CRISPR-Cas Systems-Bacterial Adaptive Immunity from Foreign DNA
173(1)
Type 6 Secretion Systems-Bacterial Defense Against Conjugation
174(1)
Pathogenicity Islands and Pathogen Evolution
174(4)
Properties of Pathogenicity Islands
174(3)
Pathogen Evolution in Quantum Leaps
177(1)
Selected Readings
178(1)
Questions
179(1)
Solving Problems in Bacterial Pathogenesis
179(3)
Chapter 8 Identification of Virulence Factors: Measuring Infectivity and Virulence 182(20)
How Does One Experimentally Measure Virulence and Satisfy Koch's Postulates?
183(1)
Animal Models of Infection
184(4)
Human Volunteers
184(2)
Nonhuman Animal Models
186(2)
Measuring Bacterial Infection in Animal Models
188(4)
Ethical Considerations
188(1)
Animal Model Basics
188(1)
Survival Curve Analysis and Biophotonic Imaging
189(1)
ID50 and LD50 Values
190(1)
Competition Assays
191(1)
Tissue Culture and Organ Culture Models
192(5)
Tissue Culture Models
192(1)
Gentamicin Protection Assay for Cell Adhesion and Invasion
193(2)
Plaque Assay for Intracellular Survival and Cell-to-Cell Spread
195(1)
Fluorescence Microscopy Techniques for Assessing Effects of Pathogens on Host Cells
196(1)
Organ Culture Models
196(1)
The Continuing Need for Reliable and Plentiful Information about Disease Pathology
197(1)
Selected Readings
198(1)
Questions
199(1)
Solving Problems in Bacterial Pathogenesis
200(2)
Chapter 9 Identification of Virulence Factors: Molecular Approaches for Bacterial Factors 202(24)
Finding a Needle in a Haystack
204(1)
Biochemical Approaches
204(4)
Isolation and Purification of Toxic Factors
204(4)
Molecular Genetic Approaches
208(6)
Screening Using Recombinant Genes
208(1)
Reporter Fusions
208(2)
Mutagenesis Screening
210(4)
Genome-wide Sequencing Approaches for Identifying Virulence Genes
214(4)
Tn-Seq Technology to Identify In Vivo-Expressed Genes
214(2)
RNA-Seq Technology to Identify In Vivo-Expressed Genes
216(1)
Comparative Genomic Sequence Analysis for Identifying Virulence Genes
217(1)
Proteomics Approaches for Identifying Virulence Factors
218(1)
Protein Microarrays (Proteoarrays)
218(1)
In Vivo-Induced Antigen Technology (IVIAT)
218(1)
The Importance of Understanding Bacterial Physiology
219(3)
Selected Readings
222(1)
Questions
223(1)
Solving Problems in Bacterial Pathogenesis
223(3)
Chapter 10 Identification of Virulence Factors: Molecular Approaches for Host Factors 226(28)
Comparative Approaches to Identify Host Factors Required for Infection
227(8)
Transgenic Animal Models
228(3)
In vivo Imaging of Animals during Infection
231(1)
Systems Genetics: Comparative Genomics of the Host Response
231(4)
Screening Approaches to Identify Host Factors Required for Infection
235(5)
Genome-Wide Screening
235(5)
Host Response Profiling to Identify Host Factors Required for Infection
240(7)
Transcriptomics
240(3)
Proteomics
243(3)
Metabolomics
246(1)
The Promise and the Caution
247(1)
Selected Readings
248(1)
Questions
249(1)
Solving Problems in Bacterial Pathogenesis
249(5)
Chapter 11 Bacterial Strategies for Colonization and Survival in the Host 254(40)
What Does Not Kill You Makes You Stronger-Or, a Better Pathogen
255(3)
Preinfection
258(5)
Survival in the External Environment
258(1)
Biofilms
258(2)
Motility and Chemotaxis
260(3)
Colonization of Host Surfaces
263(12)
Penetrating Intact Skin
263(1)
Penetrating the Mucin Layer
263(1)
Evading the Host's Innate Immunity
264(1)
Nutrient and Iron Acquisition Mechanisms
265(3)
Adherence
268(7)
Evading the Host Immune Response
275(14)
Avoiding Complement and Phagocytosis
277(3)
Invasion and Uptake by Host Cells
280(1)
Surviving Phagocytosis
281(5)
Cell-to-Cell Spread
286(2)
Tissue Penetration and Dissemination
288(1)
Beyond Virulence Factors
288(1)
Selected Readings
289(1)
Questions
290(1)
Solving Problems in Bacterial Pathogenesis
290(1)
Special Global Perspective Problem: Integrating Concepts in Pathogenesis
291(3)
Chapter 12 Toxins and Other Toxic Virulence Factors 294(40)
Bacterial Toxins
295(18)
Transparent Mechanisms, Exciting Applications, Mysterious Purposes
295(5)
Toxin Characteristics and Nomenclature
300(2)
Nonprotein Toxins
302(2)
Peptide and Protein Exotoxins
304(8)
Toxic Effector Proteins of Specialized Secretion Systems
312(1)
Examples of Toxin-Mediated Diseases
313(14)
Diphtheria Toxin
313(6)
Clostridial Neurotoxins
319(4)
Cholera Toxin
323(4)
Toxin-Based Therapeutics and Research Tools
327(2)
Immunotoxins
327(2)
Selected Readings
329(1)
Questions
330(1)
Solving Problems in Bacterial Pathogenesis
331(3)
Chapter 13 Delivery of Virulence Factors 334(26)
Bacterial Secretion Systems and Virulence
335(1)
Common Secretory Systems
336(2)
The General Secretory (Sec) System
336(1)
The Accessory Secretory (Sec) System
336(1)
The Cotranslational Signal-Recognition Particle (SRP) System
336(1)
The Twin-Arginine Transport (TAT) System
337(1)
Secretion Systems Specific to Gram-Negative Bacteria
338(12)
Sec-Dependent Secretion Systems
338(3)
Sec-Independent Secretion Systems
341(9)
Specialized Secretion Systems Specific to Gram-Positive Bacteria
350(3)
General Secretory Transporter Systems in Gram-Positive Bacteria
350(1)
Cytolysin-Mediated Translocation (CMT) in S. pyogenes (Group A Strep)
351(1)
Type 7 Secretion System (T7SS)
352(1)
Selected Readings
353(1)
Questions
354(1)
Solving Problems in Bacterial Pathogenesis
355(5)
Chapter 14 Virulence Regulation 360(40)
Virulence Gene Regulation
361(1)
Mechanisms of Regulation
361(15)
Operons, Regulons, and Global Regulators
362(1)
Activators and Repressors
362(2)
Two-Component Regulatory Systems
364(4)
Sigma Factors
368(1)
Transcriptional Terminators and Antiterminators
369(3)
Regulation of Translation Initiation
372(1)
Regulatory Small RNAs
372(3)
Bacterial Chromatin
375(1)
Responding to Environmental Signals
376(13)
Phase Variation and Bistable Switches
376(1)
Hypermutability, Intragenomic Recombination, and Positive Selection
377(1)
Coordinate Virulence Regulation
377(1)
Quorum Sensing
378(9)
Chemotaxis
387(2)
Selected Readings
389(1)
Questions
389(1)
Solving Problems in Bacterial Pathogenesis
390(5)
Special Global Perspective Problems: Integrating Concepts in Pathogenesis
395(5)
Chapter 15 Antimicrobial Compounds and Their Targets 400(36)
Antimicrobial Compounds: The Safety Net of Modern Medicine
401(4)
The Importance of Antimicrobial Compounds
401(1)
Avoiding, Reducing, and Preventing Exposure
402(2)
Killing versus Inhibiting Growth
404(1)
Tests Used To Assess Antibiotics
404(1)
Antiseptics and Disinfectants
405(2)
Antibiotics
407(9)
Characteristics of Antibiotics
407(2)
The Process of Antibiotic Discovery
409(4)
The Economics of Antibiotic Discovery
413(3)
Mechanisms of Antibiotic Action
416(16)
Targets of Antibiotic Action
416(1)
Cell Wall Synthesis Inhibitors
417(5)
Protein Synthesis Inhibitors
422(3)
Antibiotics That Target DNA and RNA Synthesis
425(4)
Inhibitors of Tetrahydrofolate Biosynthesis
429(1)
The Newest Antibiotics
429(1)
The Newest Antibiotic Targets
430(1)
Strategies for Enhancing Antibiotic Efficacy
431(1)
The Continuing Challenge
432(1)
Selected Readings
433(1)
Questions
434(1)
Solving Problems in Bacterial Pathogenesis
435(1)
Chapter 16 Antibiotic Resistance 436(40)
The Dawning of Awareness-Uh, We Have a Problem!
437(1)
How Did We Get to Where We Are?
438(2)
And Now the Really Scary Part
440(4)
Emergence and Challenge of Multidrug Resistance (MDR)
440(1)
Multiple Resistance and Genetic Linkage
441(1)
Next-Generation MDR Pathogens: The "Superbugs"!
441(3)
Mechanisms of Antibiotic Resistance
444(13)
Overview of Resistance Mechanisms
444(1)
Resistance to Antiseptics and Disinfectants
444(1)
Limiting Access of the Antibiotic
445(1)
Enzymatic Inactivation of the Antibiotic
446(5)
Modification or Protection of the Antibiotic Target
451(2)
Failure to Activate an Antibiotic
453(1)
Regulation of Resistance Genes
454(3)
Antibiotic Tolerance and Persister Cells
457(4)
Antibiotic Tolerance
457(2)
Persistence
459(1)
Toxin-Antitoxin Systems
459(2)
Horizontal Gene Transfer (HGT) of Resistance Genes
461(2)
Propagating and Maintaining Antibiotic Resistance through Selective Pressure and Changes in Fitness
463(1)
Will We Return to the Pre-Antibiotic Era?
464(4)
Returning to Status Quo or Moving Forward?
464(2)
The Hunt for Alternative Approaches to Antibiotics
466(2)
Selected Readings
468(1)
Questions
469(1)
Solving Problems in Bacterial Pathogenesis
470(1)
Special Global Perspective Problems: Integrating Concepts in Pathogenesis
470(6)
Chapter 17 Vaccination: A Critical Component of the Modern Medical Armamentarium 476(38)
Vaccines: A Major Health Care Bargain
477(2)
What Makes an Ideal Vaccine?
479(1)
Immunization Programs
480(5)
Barriers to Implementation and Success of Immunization Programs
483(1)
The Antivaccination Movement
484(1)
Vaccine Success Stories
485(7)
Subunit Vaccines
485(5)
Conjugate Vaccines
490(2)
Vaccine "Less-than-Success" Stories
492(2)
A New Age of Vaccine Development: Making Vaccines Better
494(10)
Approaches to Enhancing Immunogenicity
494(1)
Adjuvants
494(2)
Programming Adaptive Immunity
496(4)
Targeting Mucosal Immunity
500(4)
Storage of Vaccines-Strategies to Increase Shelf Life
504(1)
Passive Immunization
504(1)
Selected Readings
505(1)
Questions
505(3)
Solving Problems in Bacterial Pathogenesis
508(2)
Special Global Perspective Problems: Integrating Concepts in Pathogenesis
510(4)
Chapter 18 The Gram-Positive Opportunistic Pathogens 514(34)
What Is an Opportunist?
515(1)
Characteristics of Gram-Positive Opportunists
516(1)
Notable Gram-Positive Opportunists
516(26)
Staphylococcus aureus-Commensal Ready for a Fight
516(8)
Staphylococcus epidermidis-Accidental Pathogen
524(3)
Streptococcus pneumoniae-"Captain of All the Men of Death"
527(7)
Clostridium difficile-True Opportunist
534(8)
Other Gram-Positive Opportunists
542(1)
Selected Readings
543(1)
Questions
544(1)
Solving Problems in Bacterial Pathogenesis
544(4)
Chapter 19 The Gram-Negative Opportunistic Pathogens 548(26)
Jumping Over the (Cell) Wall: Gram-Negative Bacteria Can Be Opportunistic Pathogens Too!
549(1)
Common Traits of Gram-Negative Opportunists
549(1)
The Dark Side of Some Residents of the Human Body
550(8)
The Ever-Changing Face of E. coli
550(4)
Klebsiella pneumoniae Nosocomial Infections
554(1)
Bacteroides fragilis-The Bad Sheep of the Family
555(2)
Porphyromonas gingivalis-A Keystone Pathogen
557(1)
Environmental Inhabitants Weigh in as Opportunists
558(9)
Pseudomonas aeruginosa-A Versatile Opportunist of the Highest Order
558(7)
Burkholderia cepacia Complex-P. aeruginosa's Evil Twin
565(1)
Acinetobacter baumannii-A Deadly Threat Emerges from the Iraq War
565(2)
Don't Forget the Arthropods!
567(1)
Ehrlichia spp.
567(1)
Selected Readings
568(1)
Questions
569(1)
Solving Problems in Bacterial Pathogenesis
569(1)
Special Global Perspective Problems: Integrating Concepts in Pathogenesis
570(4)
Chapter 20 The Changing Roles of Microbiologists in an Age of Bioterrorism and Emerging Diseases 574(19)
When Microbiologists Are Called to the Front Line
575(1)
Tracking Down a Bioterrorist
576(3)
Unintentional or Deliberate?
577(2)
Timing
579(1)
Tracing the Source
579(1)
Lessons Learned
579(3)
The "Top Four" Bioterror Agents
582(3)
Bacillus anthraces Spores
582(1)
Smallpox
583(1)
Yersinia pestis
583(1)
Botulinum Neurotoxin
584(1)
What If Bioterrorists Hit Us with Something Completely New?
585(1)
Biosecurity in a Complex, Dynamic, and Ever-Changing World
585(1)
Food Safety and Biosecurity
586(3)
The Case for Food Irradiation
587(2)
The Future of Biosecurity
589(1)
Selected Readings
589(1)
Questions
590(1)
Solving Problems in Bacterial Pathogenesis
591(2)
Glossary 593(68)
Index 661