10. From what other environments might scientists collect bacterial samples to further test their hypothesis that antibiotic resistance is a trait that evolved without being influenced by modern antibiotic use? 11. What precautions might need to be taken by the scientists who work with these bacteria in the lab? 12. How many of the 26 antibiotics successfully killed 100% of the bacterial strains (both Gram-positive and Gram- negative)? 13. What does this make you think about our ability to fight infections with our current arsenal of antibiotics? 14. Do the results of this study give us any insights into how we might combat antibiotic resistance going forward? If so, what?
10. From what other environments might scientists collect bacterial samples to further test their hypothesis that antibiotic resistance is a trait that evolved without being influenced by modern antibiotic use? 11. What precautions might need to be taken by the scientists who work with these bacteria in the lab? 12. How many of the 26 antibiotics successfully killed 100% of the bacterial strains (both Gram-positive and Gram- negative)? 13. What does this make you think about our ability to fight infections with our current arsenal of antibiotics? 14. Do the results of this study give us any insights into how we might combat antibiotic resistance going forward? If so, what?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Bacterial Genomics
The study of the morphological, physiological, and evolutionary aspects of the bacterial genome is referred to as bacterial genomics. This subdisciplinary field aids in understanding how genes are assembled into genomes. Further, bacterial or microbial genomics has helped researchers in understanding the pathogenicity of bacteria and other microbes.
Transformation Experiment in Bacteria
In the discovery of genetic material, the experiment conducted by Frederick Griffith on Streptococcus pneumonia proved to be a stepping stone.
Plasmids and Vectors
The DNA molecule that exists in a circular shape and is smaller in size which is capable of its replication is called Plasmids. In other words, it is called extra-chromosomal plasmid DNA. Vectors are the molecule which is capable of carrying genetic material which can be transferred into another cell and further carry out replication and expression. Plasmids can act as vectors.
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Based off of the graphs, answer these questions:
Transcribed Image Text:10. From what other environments might scientists collect bacterial samples to further test their hypothesis that
antibiotic resistance is a trait that evolved without being influenced by modern antibiotic use?
11. What precautions might need to be taken by the scientists who work with these bacteria in the lab?
12. How many of the 26 antibiotics successfully killed 100% of the bacterial strains (both Gram-positive and Gram-
negative)?
13. What does this make you think about our ability to fight infections with our current arsenal of antibiotics?
14. Do the results of this study give us any insights into how we might combat antibiotic resistance going forward?
If so, what?
Transcribed Image Text:A
100 3oS Ribosome
90 5oS Ribosome
Folate Pathway
0 DNA/RNA Synthesis
Cell Wall Synthesis
Cell Membrane
Gram +ve
Streptomycin
B
Clindamycin
100 130S Ribosome
90 5oS Ribosome
80 Folate Pathway
70 DNA/RNA Synthesis
60 Cell Wall Synthesis
Erythromycin
Telithromycin
Linesolid
Chloramphenicol
Sulfamethoxasole
Antibiotic (20 pg/mi)
50
40
Gram -ve
Apramycin
Gentamicin
Tetracycline
Chloramphenice
Telith
Clindamycin
romycin
hoxasol
Sultamet
Antibiotic (20 vg/mi)
Trimethoprim
Rifampic
Me
Fosfomycin
() sujeas
Resistant
Apramycin
Gentamicin
(%)
tracycline
inocycline
Tigerycline
nt Strains
Resista
Streptomycin
uka
Ampicilin
Piperacilin
Daptomycin
Ciprofloxacin
Cephalexin
Ampicillin
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