Vector- Disrupted lacZ' gene lacZ' gene `Insert MRNA MRNA Non-functional Functional lacz' gene product protein | Blue colonies White colonies Bacterial cells plated on medium containing X-gal FIGURE 9.9 The Function of the lacZ' Gene in a Vector The lacZ' gene is used to differentiate cells that contain recombinant plasmid from those that contain vector alone.
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.
What color colonies will cells that contain a recombinant plasmid form?
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