Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 9, Problem 5TQ
Summary Introduction
To review:
The failure in identifying the source species from which the genetic material has been horizontally transferred to another species.
Introduction:
Transformation is a process by which a living cell uptakes the DNA (deoxyribonucleic acid) from a dead or lysed cell. The movement of genes within the same species is called horizontal gene transfer. Transformation is one of the three forms of horizontal gene transfer. It takes place in all forms of organisms.
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Chapter 9 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 9.1 - Prob. 1TQCh. 9.1 - Prob. 2TQCh. 9.1 - Prob. 3TQCh. 9.1 - Prob. 4TQCh. 9.2 - Prob. 1TQCh. 9.3 - Prob. 1TQCh. 9.4 - Prob. 1TQCh. 9.4 - Prob. 2TQCh. 9.5 - Prob. 1TQCh. 9.6 - Prob. 1TQ
Ch. 9 - Prob. 1RQCh. 9 - Prob. 2RQCh. 9 - Prob. 3RQCh. 9 - Prob. 4RQCh. 9 - Prob. 5RQCh. 9 - Prob. 6RQCh. 9 - Prob. 7RQCh. 9 - Prob. 8RQCh. 9 - Prob. 9RQCh. 9 - Prob. 10RQCh. 9 - Prob. 11RQCh. 9 - Prob. 12RQCh. 9 - Prob. 13RQCh. 9 - Prob. 14RQCh. 9 - Prob. 15RQCh. 9 - Prob. 16RQCh. 9 - Prob. 1TQCh. 9 - Prob. 2TQCh. 9 - Prob. 3TQCh. 9 - Prob. 4TQCh. 9 - Prob. 5TQCh. 9 - Prob. 6TQ
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- What would happen if recombinant microbes could transfer genetically altered genes into other microorganisms for which they were not originally intended?arrow_forwardAn E. coli colony grew on minimal medium supplemented with arginine and leucine. However, bacteria from this colony are unable to grow and form colonies on minimal medium supplemented with arginine and methionine. What is the genotype of the bacteria in this E. coli colony?arrow_forwardYou mix two auxotrophic strains of bacteria; one is leu+ trp+ his– met– and the other is leu– trp– his+ met+. After mixing the two strains, you plate the bacteria on minimal medium and observe a few prototrophic colonies (leu+ trp+ his+ met+). To determine whether gene transfer has occurred through conjugation, transformation, or transduction, you design an experiment in which you place filters between the two strains to see if gene transfer occurs. You set up three treatments:-Treatment A No filter, allowing contact between the bacterial strains-Treatment B Filter that blocks cells, but allows viruses and DNA through the filter-Treatment C Filter that blocks cells and viruses, but allows DNA through the filter When you check the results of your experiment, you find prototrophic colonies have occurred following treatments A and B, but not following treatment C. You conclude that gene transfer occurred through... Answer Choices Available: A) Conjugation B) Transformation C)…arrow_forward
- Why would it have been possible to utilize N14 in the original bacteria and only allow growing bacteria to access N15 to build new (F1) bacteria and get the same results as the original Meselson experiment?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_forwardYou’ve collected a soil sample from an unexplored island and cultured a new bacterial species by growing it on complete media. Being a wild-type strain, you assume it is prototrophic. What would you do to determine whether this is true?arrow_forward
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