NEED ASAP Using the list provided (note you may not need all the steps listed) state the steps in cDNA production 1. Confirm size of bands by comparing to molecular size marker. 2. Ligate oligonucleotides onto blunt ended product. 3. Cut the cDNA with a unique restriction enzyme. 4. Ligate the cDNA and vector followed by transformation of E. coli. 5. Plate cells onto LB-ampicillin plates containing X-gal. 6. Choose colonies that are white in colour. 7. Cut plasmid with unique restriction enzymes. 8. The size of the clone is small and it will ensure that the entire gene will be found in one fragment. 9. Employ replica plating technique and select cells that are ampicillin-sensitive and tetracycline resistant. 10. Blot petri plates with a nitrocellulose filter, lyse the cells and denature the DNA with a dilute sodium hydroxide solution. 11. Blot electrophoresis gel with nitrocellulose filter and denature the DNA with a dilute sodium hydroxide solution. 12. Flood the filters with radioactive probe and hybridize to immobilized DNA. 13. Choose colonies that are blue in colour. 14. Wash the filter to remove unhybridized probe and expose to x-ray film. 15. Select colonies that correspond in position to the radioactive loci on the filter. 16. Select bands that correspond in position to the radioactive loci on the filter. 17. Cut recombinant plasmid with unique restriction enzymes. 18. Degrade RNA and add DNA polymerase I, clip hairpin using S1 nuclease. 19. Select cells by spread plating onto LB-ampicillin plates. 20. Run the products on an agarose gel. 21. Isolate RNA from cells and use reverse transcriptase along with dNTPs and oligo-dT primers. 22. Synthesize a probe by incorporating radiolabeled dATP into L gene DNA. 23. Sequence the gene fragment and compare sequence to known sequences using bioinformatics.
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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