The gene encoding the beta subunit of RNA polymerase fromEscherichia coli is said to be orthologous to the rpoB gene ofBacillus subtilis. What does that mean about the relationshipbetween the two genes? What protein do you suppose therpoB gene of B. subtilis encodes? The genes for the differentsigma factors of E. coli are paralogous. What does that sayabout the relationship among these genes?
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 gene encoding the beta subunit of RNA polymerase from
Escherichia coli is said to be orthologous to the rpoB gene of
Bacillus subtilis. What does that mean about the relationship
between the two genes? What protein do you suppose the
rpoB gene of B. subtilis encodes? The genes for the different
sigma factors of E. coli are paralogous. What does that say
about the relationship among these genes?
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