Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 11, Problem 1A
Summary Introduction
Introduction
Yes, because there are millions of bacteria exist on the earth, only 5,000 bacterial species were identified by microbiologists. Therefore 3,000 species have been listed in Bergey’s manual. Using conventional growth medium to the entire bacterial community cannot be cultivated. It is a great deal for microbiologists to identify and grow new bacterial species using new tools and techniques. Therefore scientist still need to attempt to grow more new bacterial species.
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You have recently been hired as a researcher in a premier university. Your research deals with isolating novel antibiotics from Streptomyces species to offer solution in the growing problem of antibiotic resistance. Unfortunately, late one night you did not label the tubes and plates clearly. Now your promising work needs to be resolved with only a few of information retained. Gladly, you found the results in your notebook. Unfortunately, they are not labeled either. These graphs represent percentage of survival of bacteria after treatment with the antibiotics. Samples with antibiotic added (black bars); controls with no antibiotic added (grey bars).
You need to identify which antibiotic was used per set-up (see figure). Listed below are some essential information.
Antibiotic A: 0.5 kDa protein, targets peptidoglycanAntibiotic B: 20 kDa protein, targets peptidoglycanAntibiotic C: Cationic antimicrobial peptideAntibiotic D: Targets lipopolysaccharide
Staphylococcus aureus: gram-positive…
Chapter 11 Solutions
Microbiology: An Introduction
Ch. 11 - The following outline can be used to identify...Ch. 11 - Compare and contrast each of the following: a....Ch. 11 - DRAW IT Draw a key to differentiate the following...Ch. 11 - Prob. 4RCh. 11 - If you Gram-stained the bacteria that live in the...Ch. 11 - Which of the following does not belong with the...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Which of the following terms is the most specific?...Ch. 11 - Which one of the following does not belong with...
Ch. 11 - Which of the following pairs is mismatched? a....Ch. 11 - Prob. 8MCQCh. 11 - When Legionella was newly discovered, why was it...Ch. 11 - Prob. 10MCQCh. 11 - Prob. 1ACh. 11 - Prob. 2ACh. 11 - Bacteria are single-celled organisms that must...Ch. 11 - After contact with a patients spinal fluid, a lab...Ch. 11 - Between April 1 and May 15 of one year. 22...Ch. 11 - Prob. 3CAE
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- You have recently been hired as a researcher in a premier university. Your research deals with isolating novel antibiotics from Streptomyces species to offer solution in the growing problem of antibiotic resistance. Unfortunately, late one night you did not label the tubes and plates clearly. Now your promising work needs to be resolved with only a few of information retained. Gladly, you found the results in your notebook. Unfortunately, they are not labeled either. These graphs represent percentage of survival of bacteria after treatment with the antibiotics. Samples with antibiotic added (black bars); controls with no antibiotic added (grey bars). You need to identify which antibiotic was used per set-up (see figure). Listed below are some essential information. Antibiotic A: 0.5 kDa protein, targets peptidoglycanAntibiotic B: 20 kDa protein, targets peptidoglycanAntibiotic C: Cationic antimicrobial peptideAntibiotic D: Targets lipopolysaccharide Staphylococcus aureus: gram-positive…arrow_forwardDiscuss the elucidate beneficial importance in studying microbiology in terms of a) environmental importance; b) industrial importance; c.) research-geneticsarrow_forward8. All the followings can be produced through Industrial Microbiology techniques except: a) antibiotics b) Amino Acids c) steroids d) polysaccharides19. The new process for cleaning the environment through bioorganic method using bacteria which genome has been modified is called: a) Bioconversion b) Biotechnology c) Bioinformatics d) Bioremediationarrow_forward
- Consider the fact that the use of 16S rRNA sequencing as a taxonomic and phylogenetic tool has resulted in tripling the number of bacterial phyla. Why has the advent of this genetic technique expanded the currently accepted number of microbial phyla?arrow_forwardhow can bacteria populations become resistant to antibiotics? use the terms pre- existing, inherited, variation, survive, over generations and resistantarrow_forwardCreate a timeline of historical figures and their contributions that have informed our modern understanding and practice of microbiology from the 1600s to today. The timeline must include the dates and contributions of the following people: Linnaeus, Antony van Leeuwenhoek, Robert Hooke, Louis Pasteur, Francesco Redi, Robert Koch, Charles, Darwin, Joseph Lister, Carl Woese, and Kary Mullis.arrow_forward
- Discuss the beneficial importance/applications of studying microbiology in terms of a.) causative agents of infectious disease; b.) normal flora; c.)environmental importance; d.) industrial importance; e.) research-geneticsarrow_forwardQ5) What genus of bacteria is most likely to produce antibiotics? Q6) How could you tell if antibiotics are actually produced? Describe for me what was done in the lab to confirm this.arrow_forwardA research microbiologist looking at evolutionary relatedness between two bacterial species is more likely to use Bergey’s Manual of Determinative Bacteriology than Bergey’s Manual of Systematic Bacteriology. True or false?arrow_forward
- What are secondary metabolites? In terms of microbial technology, how do we get bacteria to produce them with cloning technology? Explain the stages in schematics and explanations.arrow_forwardExplain in a general way how bacteria move toward substances such as nutrients and away from toxic materials.arrow_forwardWhat is the best explanation for why a bacteriostatic treatment might be chosen over a bacteriocidal treatment? Bacteriostatic treatments will eliminate all bacteria while bacteriocidal treatments will only eliminate a portion of the bacteria. Bacteriostatic treatments typically have lower toxicity to the host when compared to bacteriocidal treatments. Bacteriostatic treatments will prevent all bacterial growth, while bacteriocidal treatments will permit some bacterial growth. Bacteriostatic treatments are typically more costly than bacteriocidal treatments.arrow_forward
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