Unit -1

Nutritional classification – importance of various macro, microelements and growth factors in bacterial growth – bacterial growth curve – a measurement of microbial growth – gravimetry, turbidometry and nephelometry. Continuous culture – synchronous culture – sporulation. . 

Video Lectures (Watch the video files with headphone for audio clarity and note the points in course journal (CJ), and get it signed by course teacher). To find the key points that should be there in CJ, click HERE

1. Nutritional and other factors based classification of microorganisms - Lect 1A and Lect 1B ; for an explanation in Tamil click HERE (Courtesy: Microbiology Concepts by Dr. Blessy)

2. Importance of Macronutrients, microelements, growth factors - Lect 2; for an explanation in Tamil click HERE (Courtesy: Microbiology Concepts by Dr. Blessy)

3. Explanation of the macroelements in cell system - Lect 3A and Lect 3B.

4. Bacterial growth curve - Lect 4; for an explanation in Tamil click HERE  (Courtesy: Microbiology Concepts by Dr. Blessy)

5. Measurement of bacterial growth - Lect 5

6. Gravimetry, turbidometry Vs nephlometry - Lect 6; for an explanation in Tamil click HERE (Courtesy: Dr. J. Winfred Jebaraj)

7. Continous culture Vs Batch culture - Lect 7; for an explanation in Tamil click HERE   (Courtesy: Dr. A.G. Hariharan)

8. Synchronous culture - Lect 8; for an explanation in Tamil click HERE  (Courtesy: Microbiology Concepts by Dr. Blessy)

9. Steps in sporulation - Lect 9; for an explanation in Tamil (about endospore) click HERE  and about Sporulation process click HERE (Courtesy: Microbiology Concepts by Dr. Blessy)