IESR

Microbiology

Microbiology

  1. Introduction to Laboratory Practices
  • Overview of Good Manufacturing Practices (GMP).
  • General safety instructions for microbiology labs.

  1. Instrumentation and Equipment Handling

Proper usage and maintenance of laboratory instruments, including:

  • Autoclave
  • Laminar Air Flow System
  • Incubator/Shaker
  • Hot Air Oven
  • Microscope and other essential tools etc.,

  1. Media Preparation and Sterilization
  • Preparation of solid and liquid media.
  • Sterilization techniques for microbial culture media.

  1. Microbial Isolation and Culturing
  • Techniques for isolating and culturing microbes from soil samples.
  • Screening of microorganisms for specific traits.

  1. Staining Techniques
  • Basic and advanced staining methods, including:
    1. Gram Staining
    2. Endospore Staining

 

  1. Antibiotic Sensitivity Testing
  • Methods to assess microbial sensitivity to antibiotics.

  1. Enzyme-Producing Microbes
  • Isolation and identification of microorganisms producing enzymes of interest.

  1. Antibiotic Resistance Studies
  • Isolation of antibiotic-resistant (MDR) microbes from soil samples.

  1. Advanced Techniques and Applications
  • Exploring additional microbiological techniques and experiments, progressing from basic to advanced levels.

Training/Internship/Dissertation/Upskilling Module Fee Structure: 2025

7 Days 15 Days 1 Month 2 Months 3 Months

Rs. 10,000

Rs. 16,000

Rs. 30,000

Rs. 50,000

Rs. 60,000

Rs.5,000., offer50%
Rs.8,000., Offer 50%
Rs.15,000., Offer 50%
Rs.25,000., Offer 50%
Rs.30,000., Offer 50%

7-Day Module (Microbial Basics)

This short-term practical module introduces students to core microbiology skills like media preparation, sterilization, aseptic techniques, environmental sampling, streaking, colony isolation, and microbial growth curve plotting. Ideal for beginners seeking foundational lab skills.

Lecture
Hands on Activities

Nutrient media: components and types (agar vs broth)

  • Lab safety, glassware intro, tour of lab
  • Demonstration of PPE use
  • Operating autoclave, laminar airflow, and Bunsen burner
  • Cleaning and sterilizing glassware

Importance of pH, energy sources, and solidifying agents

  • Preparation of nutrient agar and broth
  • Adjustment of pH
  • Sterilization using autoclave

Sterilization techniques: autoclaving, filtration

  • Pouring sterile plates under laminar flow

Aseptic techniques and their importance, Types of plating: pour plate, spread plate, Microbial diversity in soil, water, and air

  • Pour plate and spread plate using water/soil samples
  • Observation of colony morphology
  • Labelling and incubation

Purpose of pure culture and isolated colonies, Different streaking patterns (T-streak, quadrant method), Subculturing and maintenance of cultures

  • Streak plate technique on nutrient agar
  • Isolation of pure colonies
  • Preparation of slants for subculturing

Concept of serial dilution and CFU calculation, Importance in estimating bacterial concentration, Dilution factor and log reduction

  • Performing ten-fold serial dilutions
  • Plating and calculating CFUs from diluted samples
  • Incubation and colony counting

Phases of microbial growth: lag, log, stationary, death, Factors affecting growth: temperature, pH, nutrients, OD measurement at 600 nm

  • Inoculating broth culture for growth monitoring
  • Measuring OD600 at time intervals
  • Plotting growth curve and calculating generation time

15-Day Module (Microbial Growth & Assay Skills)

Builds on basics and includes microbial growth under different pH and temperature conditions

Lecture
Hands on Activities

Introduction to lab safety, equipment (PPE, autoclave, laminar flow)

Lab tour, PPE demo, autoclave operation, glassware cleaning

Nutrient media: broth vs agar, role of pH and nutrients

Media prep (nutrient agar, broth), pH adjustment, autoclaving

Sterilization methods: autoclaving, filtration, chemical

Pouring sterile plates, filtration setup

Aseptic techniques, environmental sampling

Pour/spread plating soil/water samples, incubation

Pure culture, colony morphology, streaking techniques

T-streak & quadrant method on nutrient agar, slant prep

Serial dilution, CFU calculation, dilution factor logic

Perform ten-fold dilutions, plating, colony counting

Microbial growth phases (lag/log/stationary/death), OD measurement

Inoculate broth, measure OD600 at intervals, plot growth curve

Effect of pH on microbial growth: pH as a limiting factor

Inoculate same strain in broth at different pH (e.g., 4, 7, 9), OD600 reading

Effect of temperature on microbial growth: thermal limits of bacteria

Incubate cultures at different temps (e.g., 25°C, 37°C, 45°C), measure growth

Concept of antibiotic resistance, introduction to sensitivity testing

Prepare nutrient agar, place antibiotic discs, incubate (Kirby-Bauer method)

Zone of inhibition: how it reflects antibiotic effectiveness

Measure zones using a ruler, record and interpret results

Introduction to staining techniques, bacterial cell structure

Perform Gram staining, observe under microscope, classify organisms

Review of fermentation principles, importance in enzyme production

Basic fermentation setup with glucose broth, observe changes

Data recording & basic statistics: mean, range, graphing

Enter growth & sensitivity data, create growth curves and bar graphs

Final assessment, recap of concepts, Q&A, project feedback

Report submission, peer discussion, certificate distribution

30-Day Module (Growth + Enzyme Studies)

A full-cycle hands-on program covering microbial growth, enzyme production, and analysis under various pH and temperature conditions. Includes growth curve plotting, OD600 measurement, enzyme activity assays, Gram staining, and antimicrobial resistance testing. Final report writing and presentation included.

Lecture
Hands on Activities

Lab safety, equipment intro, glassware, PPE

Lab tour, autoclave demo, cleaning

Media types, pH role, nutrients

Prepare nutrient agar & broth, pH adjustment

Sterilization methods: heat, chemical, filtration

Plate pouring, media sterilization

Aseptic techniques, contamination control

Laminar flow work, demo inoculation

Colony morphology, isolation methods

Spread/pour plate of soil samples

Test 1

Quiz + review media prep and aseptic steps

 

 

Pure culture techniques

T-streak, quadrant streak, isolate colonies

Serial dilution, CFU logic

Perform dilutions, plating

Growth curve theory (lag/log/stationary)

Inoculate broth, start OD600 monitoring

Generation time, plotting curves

Continue OD600 readings, graphing

Gram staining: principle, cell wall types

Gram stain + microscopy

Test 2: CFU + Growth Curve + Staining Quiz

Evaluate plating, Gram stain slides

 

 

pH effect on microbial growth

Inoculate broths at pH 4, 7, 9

Data collection & curve plotting

OD600 at intervals, plot growth vs pH

Intro to enzyme production

Prep starch/casein media, inoculate cultures

pH effect on enzyme production

Use pH-varied broth to produce enzymes

Enzyme assay intro (DNS/Iodine)

Centrifuge, collect supernatants

Test 3: Growth vs pH + Enzyme Theory

Spot test + check enzyme assay prep

OFF

 

 

Enzyme activity measurement

Perform DNS/Iodine assay, OD reading

Plot enzyme activity vs pH

Graph and interpret

Temp effect on growth

Inoculate broth at 30°C, 37°C, 45°C

OD reading, growth vs temperature

OD600 readings and plotting

REPORT WRITING

 

60-Day Module (Advanced + UV Mutagenesis)

This advanced project-based training includes all foundational skills plus an in-depth study of UV mutagenesis and strain improvement. Students screen UV-treated colonies for enhanced enzyme production and compare enzyme activity across wild and mutant strains under different pH and temperature. Includes full report compilation and scientific presentation training.

Lecture
Hands on Activities

Lab safety, equipment intro, PPE

Lab tour, PPE, glassware cleaning

Media types, agar vs broth, nutrients

Prepare media, adjust pH, autoclaving

Sterilization methods

Media pouring, filtration

Aseptic techniques

Laminar work, demo inoculation

Sampling from soil/water

Spread/pour plates

Colony morphology

Observe colonies, record traits

Isolation techniques

T-streak, quadrant streak

Serial dilution, CFU logic

10-fold dilutions, plate counts

Growth curve intro

Inoculate broth, start OD600 tracking

Generation time

Measure OD, plot growth curve

Gram Staining + Antibiotic Sensitivity

 

Gram staining principle

Gram stain and microscopy

Gram +ve vs –ve

Record observations

Antibiotic resistance

Disc diffusion method

Zone of inhibition

Measure and record zones

Mini test + data review

Practical check, recap basics

Effect of pH on Growth & Enzyme

 

Effect of pH on growth

Inoculate broths at pH 4, 6, 7, 8, 9

OD readings

Measure growth over time

Plot: Growth vs pH

Data logging and graphing

Enzyme production intro

Prep starch/casein broth

Enzyme production at diff pH

Inoculate cultures in pH-varied media

Collect supernatant

Centrifuge cultures

DNS/Iodine assay methods

Perform assay, measure OD

Plot: Enzyme activity vs pH

Graphing and analysis

Enzyme optimization discussion

Evaluate pH range for activity

Short test + review

Practical + theory test

UV Mutagenesis

 

UV light as mutagen

UV light safety briefing

DNA damage by UV

Dose-response logic

Lawn culture prep

Spread wild-type strain on plates

UV exposure (1–5 min, ~30 cm)

Half-plate covered as control

Incubation & survivor selection

Select visible colonies

Theory: Screening mutants

Enzyme-linked trait selection

Screening on starch/casein agar

Streak selected colonies

Incubate and observe clearance zones

Compare with wild-type control

Inoculum preparation

Broth cultures of top mutants

Fermentation basics

Equal inoculum into fermentation medium

Growth of wild vs mutant

Constant pH/temp for both

Harvest & centrifugation

Collect supernatants

Enzyme assay (DNS/Iodine)

Measure OD/zone diameter

Data plotting

Compare mutant vs wild-type

Discussion: strain improvement

Identify best-producing mutant

Temperature Effect on Growth & Enzyme

 

Temperature as growth factor

Inoculate cultures at 25, 30, 37, 45°C

OD readings over time

Record temp-growth pattern

Plot: Growth vs temperature

Graph interpretation

Enzyme production at different temps

Inoculate media, incubate at varied temps

Harvest and centrifuge

Collect enzyme-rich supernatants

Assay method review

Prepare DNS/Iodine reagents

Measure enzyme activity

OD reading

Plot: Enzyme activity vs temp

Final graph comparison

Comparison: optimal conditions

Identify peak performance temp

Test series + discussion

Evaluate understanding

Data Compilation & Project Report

 

Organize data: CFU, OD, assay results

 

Graph cleanup: pH, temp, mutagenesis

 

Draft: Introduction, Objective

 

Draft: Methods & Observations

 

Draft: Results & Discussion

 

Prepare charts, tables, legends

 

Review and correction

 

Finalize individual/group reports

 

Student presentations/poster prep

 

Final presentation day + Certificate distribution