Selective and Differential Conditions of media and culture conditions can be used to culture and identify Listeria monocytogenes. For each, characterize it a Available Hint(s) Re Adding antibiotics, such as nalidixic acid Adding high concentrations of salts, such as lithium chloride and sodium chloride Adding a pH indicator to detect fermentation of rhamnose to acid Incubate at 30°C Adding antifungals, such as amphotericin B Detecting beta-hemolysis Differential Selective
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.
Different types of media are used to study the microbes. Differential media is also known as indicator media helps to distinguish microorganisms by indicating the defining characteristics of microbes using their biochemical properties. The target organism often show visible changes.
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