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.
![The pathogenic strain of the bacterium E. coli (0157:H7) has been shown to be responsible for lethal outbreaks
of food poisoning. Bacteria on contaminated food enters the stomach and travels to the large intestine where
it causes severe diarrhea. If it enters the bloodstream it causes hemolytic uremic syndrome which results in
severe anemia, kidney failure, and in some cases death.
The stomach is an extremely acidic environment and to survive the bacteria have a series of enzymes that they
produce to protect themselves. This acid stress response is mediated primarily through the gad operon.
What is an operon?
O a. A series of genes controlled by the same operator
O b. A series of genes on the same MRNA molecule
O C. A series of genes that all have the same function
O d. A series of genes all regulated by the same repressor](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbd9ca1b4-2e76-48a1-bcea-5fcb45e02927%2Fbaf54eb2-2ec4-4ba0-85d6-5f094e278995%2Fmraczwg_processed.png&w=3840&q=75)
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