Laboratory I

Paper Code: 
MBL 126
Credits: 
08
Contact Hours: 
240
Objective: 

Course Objectives:

This course will enable the students to –

 

1.     Make the students learn the practical aspect of Bacteriology, Biochemistry, Enzymology, Microbial Physiology and Diversity,

2.     Gain practical knowledge on Instrumentation, biostatistics and bioinformatics

 

Course Outcomes (COs):

Course

Learning outcome (at course level)

Learning and teaching strategies

Assessment Strategies

Paper Code

Paper Title

MBL 126

 

Laboratory I

 

Upon completion of the course students will be able to

CO 23: Estimate different biomolecules using spectrophotometric method

CO 24: Assess enzyme activity

CO 25. Learn  Hands on experience on Chromatography, Electrophoresis and Bioinformatics tools

CO 26: Learn experiments related to microbial growth and diversity

Approach in teaching:

Discussion, Tutorials, Demonstration,

Learning activities for the students:

Effective questions, Giving tasks,  Practical

 

Class test, Semester end examinations
 

 

CONTENTS

1.     Preparation of liquid and solid media for growth of microorganisms.

2.     Pure culture techniques- streak plate method, pour plate method, spread plate method.

3.     Growth Kinetics, Effect of temperature, pH and carbon and nitrogen source on growth.

4.     Enumeration of bacteria: standard plate count.

5.     Microscopic examination of bacteria by simple staining, Gram stain, Negative staining, staining for spores etc.

6.     Hanging drop method to study motility in bacteria.

7.     study of culture characters of microorganisms

8.     Biochemical characterization of selected microbes.

a)    oxidation and fermentation tests

b)    catalase test

c)     oxidase test

d)    nitrate reduction test

e)    starch hydrolysis

f)     IMVIC

g)    H2S production test

9.     Estimation of protein in bacteria by Folin Lowry method

10.  Estimation of protein by Biuret test

11.  Estimation of reducing sugar by DNSA method

12.  Estimation of sugar in bacteria by Anthrone reagent

13.  To study the effect of substrate concentration on enzyme activity

14.  To study the effect of temperature on enzyme activity

15.  To study the effect of pH on enzyme activity

16.  To assay the activity of acid phosphatase

17.  Separation and identification of amino acids by TLC

18.  Separation of protein by SDS-PAGE

19.  Demonstrations:

  1. Gel Filtration Chromatography
  2. Ion Exchange Chromatography
  3. Adsorbtion  Chromatography
  4. Affinity Chromatography
  5. Blotting Techniques

20.  Biostatistics exercises

21.  Information searching on Internet.

22.  Sequence retrievals form NCBI, Genbank, EMBL, DDBJ

Any other practical based on theory syllabus.

Academic Year: 
2021-2022
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