Bacterial Propagation: Routine cultivation of Escherichia coli (E. coli) and related enteric bacteria using a balanced 2% Tryptone, 1% Yeast Extract, 1% Sodium Chloride formulation for overnight and starter cultures.

Plasmid Amplification: Growth of recombinant E. coli for miniprep/midiprep plasmid DNA preparation in cloning workflows.

Antibiotic Selection: Selection and maintenance of transformants on liquid or agar media supplemented with antibiotics, with optional X‑Gal/IPTG for blue‑white screening.

Transformation Recovery: Post heat‑shock or electroporation outgrowth of E. coli to allow expression of antibiotic resistance markers before selection.

Protein Expression Cultivation: Culture of expression strains of E. coli carrying inducible plasmids prior to induction and downstream purification.

Phage Work (Top Agar/Overlay): Preparation of double‑layer agar for bacteriophage plaque assays by mixing 2X LB with molten agar to achieve 1X final strength.

Glycerol Stock Preparation: Growth of stable log‑phase cultures of E. coli for long‑term cryopreservation.

Colony Picking and Screening: Inoculation of single colonies into 2X LB for rapid expansion and downstream PCR or restriction analysis.

Agar Media Preparation: Combination with agar to make plates or soft agar for general maintenance and phenotypic assays of E. coli and related strains.

General Microbiology Teaching/QA: Demonstrations and routine QC of nonfastidious bacteria such as Escherichia coli using a classic Lennox formulation.