Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 28.12, Problem 1CR
What practices contribute to the spread of antibiotic resistance? Explain how antisense RNA strategies can extend traditional methods of natural product selection for antibiotic discovery.
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Chapter 28 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 28.1 - The use of personal protective equipment (PPE) is...Ch. 28.1 - Identify and discuss the standard safety...Ch. 28.1 - Prob. 1CRCh. 28.2 - Prob. 1MQCh. 28.2 - How can the spread of HAIs be controlled?Ch. 28.2 - Prob. 1CRCh. 28.3 - What are the key points necessary for proper...Ch. 28.3 - Identify culture methods and conditions used for...Ch. 28.3 - QWhy is it important to process clinical specimens...Ch. 28.4 - Describe the disc diffusion test and the Etest for...
Ch. 28.4 - What is the value of antimicrobial drug...Ch. 28.4 - QDescribe the disc diffusion test for antibiotic...Ch. 28.5 - Explain the reasons for changes in antibody titer...Ch. 28.5 - Describe the method, time frame, and rationale for...Ch. 28.5 - What advantages do monoclonal antibodies have...Ch. 28.5 - QWhy does antibody titer rise after infection? Is...Ch. 28.6 - How is the bivalence of antibodies significant for...Ch. 28.6 - What are the advantages and disadvantages of...Ch. 28.6 - Why are agglutination tests so widely used in...Ch. 28.7 - Prob. 1MQCh. 28.7 - Compare the advantages and disadvantages of EIA,...Ch. 28.7 - Prob. 1CRCh. 28.8 - What advantage(s) does nucleic acid amplification...Ch. 28.8 - How do quantitative PCR (qPCR) and qualitative PCR...Ch. 28.8 - Distinguish between quantitative and qualitative...Ch. 28.9 - Compare and contrast live attenuated vaccines,...Ch. 28.9 - Identify the advantages of alternative...Ch. 28.9 - QList the immunizations recommended for children...Ch. 28.10 - Prob. 1MQCh. 28.10 - How does the activity of each antibiotic class...Ch. 28.10 - What are the sources of aminoglycosides,...Ch. 28.10 - Antibiotics are chemically diverse antimicrobial...Ch. 28.11 - What steps in the viral maturation process are...Ch. 28.11 - Why are there fewer clinically effective...Ch. 28.11 - Why is host toxicity a common problem with...Ch. 28.12 - Identify the basic mechanisms of antibiotic...Ch. 28.12 - What does vancomycin have in common with...Ch. 28.12 - Prob. 3MQCh. 28.12 - What practices contribute to the spread of...Ch. 28 - Define the procedures you would use to isolate and...Ch. 28 - Prob. 2AQCh. 28 - Describe three important reasons why semisynthetic...Ch. 28 - Imagine yourself as a clinical microbiologist with...
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- Results from a Kirby Bauer antibiotic assay on a Gram-negative bacterial culture are described as follows: A) the bacterium is resistant to penicillin, an antibiotic that targets synthesis of the peptidoglycan cell wall and B) the bacterium is resistant to tetracycline, an antibiotic that targets the small subunit of the ribosome, inhibiting protein synthesis. Which of the results represents intrinsic resistant and which represents acquired resistants?arrow_forwardIs it important to have fewer phages than bacterial host cells when doing a quantitative plaque assay? Explain.arrow_forwarddescribe a semi-synthetic antibioticarrow_forward
- What technique could be used to confirm the presence or absence of plasmids in the donor, recipient and transconjugant strains?arrow_forwardThe strain of λ phage t is cI857. That tells you that the cI DNA segment is disabled by a specific mutation. What is the exact genetic change in cI857? What specific property of the cI gene product does this mutation change, and how does this help titering for a plaque assay?arrow_forwardWhat are the optimal conditions for EcoRV and Aval restriction enzymes?arrow_forward
- How does the study of bacterial genomics contribute to our understanding of antibiotic resistance mechanisms and the development of novel therapeutic approaches?arrow_forwardUsing blue-white selection, explain how to discriminate against bacteria with self-ligated vectors. Use X-gal and LacZ in the explanation.arrow_forwardThe acquired antibiotic resistance genes encode what types of proteins that can inhibit the function of the antibiotic? list twoarrow_forward
- In bacterial transformation, the purpose of having antibiotic within an agar plate is to: Select one: confirm which plasmids been have successfully ligated with a gene of interest. isolate bacteria which have been successfully transformed with the plasmid. indicate which plasmids were successfully digested by the endonuclease. act as a substrate which will be cleaved and produce a blue product when ligation is unsuccessful. show which plasmids contain the lacZ gene.arrow_forwardGive ONE suggestion for modifying the PCR reaction to detect other microbial pathogens in the unknown sample and what is the detection limit of the PCR of E. coli Hse gene?arrow_forwardIn a mixed infection assay between h+r+ and hr phage, where h and r are two genes that govern plaque morphology, which of the following do you expect to observe? only h+r+ and hr only h+r and hr+ only h+r+ only hr All four types: h+r+, hr, h+r, hr+arrow_forward
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