Bsal 6. On the left is a diagram of the pUC19 plasmid, which is composed of 2,686 bp. Numbers on the plasmid and next to each restriction enzyme cut site represent a base pair (bp) measurement from an arbitrary starting point (0) going in the clockwise direction. On the right is a diagram of an electrophoresis gel. A standard molecular weight (MW) ladder is in the far-left lane, labeling the position of DNA fragments of known sizes from 0.5-10 kb. Lanes 1-5 are DNA bands observed from digestion of the plasmid with one or more of the restriction enzymes. 2500 11500 or PUC19 2686 bp Sspl (1266) P HindIII (632) BamHI (662) EcoRI (683) kb 10.0. 8.0 6.0 5.0. 4.0- 3.0 2.0 1.5 1.0 <0.5- MW 1 |||||| || | || 2 3 4 5 a. Which lane(s) shows the DNA fragmentation pattern produced by digestion of the plasmid with either EcoRI, Bsal, OR Ssp1? Briefly explain your answer. b. Cutting this plasmid with restriction enzymes Bsal AND Ssp1 would result in DNA fragments of what sizes? Which lane(s) of the gel shows this expected DNA fragmentation pattern? c. If you want to clone a piece of DNA into the MCS (labeled in blue), which restriction enzyme(s) could you use? d. After digestion of the plasmid and the DNA insert with this restriction enzyme, what enzymatic reaction is necessary to generate the desired recombinant plasmid DNA?
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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