Microorganism Diversity and Physiology (Theory)

Paper Code: 
24CMBL301
Credits: 
04
Contact Hours: 
04
Objective: 

The course will enable students understand and analyze classification, structure, function of different types of microbes and the different pathways/cycles that contributing to energy flow in microbial systems.

12.00
Unit I: 
Ultra structure of bacteria

Cell wall structure and synthesis, cell membrane, Flagella and motility, chemotaxis Pili, Cell inclusions like Glycogen granules, Volutin granules, Carboxysomesetc, Slime sheet and capsule. Endospore structure and formation, stages of sporulation, activation germination and outgrowth of bacterial endospores.

12.00
Unit II: 
Bacterial World

A brief outline of bacterial classification according to Bergey’s manual of systematic bacteriology second edition (2004) with salient features of the following:  Proteobacteria: Rickettsia, Pseudomonas, E. coli, Myxococcus, Campylobacter; Non proteobacteria Gram negative bacteria (cyanobacteria, purple and green photosynthetic bacteria); Gram positive bacteria: Mycoplasma, Staphylococcus and Streptococcus, Actinobacteria (Streptomyces, Mycobacterium), Chlamydiae, Spirochaetes, Archaebacteria (halophiles and thermophiles).

12.00
Unit III: 
Photosynthetic and Respiratory Pathways

Oxygenic & anoxygenic photosynthesis, photophosphorylation, Calvin cycle. Glycolysis, Oxidative pentose phosphate pathway, Entner- Doudoroff pathway, fermentative pathways, Yeast fermentation, Lactic acid fermentation, Acetic acid fermentation, Krebs cycle, ETC, oxidative and substrate level phosphorylation.

12.00
Unit IV: 
Viruses and Protozoa

Virus classification schemes of ICTV / ICNV. Morphology and ultra-structure of viruses; capsids & their arrangements; envelopes and their composition, viral genome and their types; virus related agents (viroids, prions). Bacteriophages: structural organization, Lytic and Lysogenic cycle, One step growth curve. Protozoa- Occurrence, classification, Morphology and reproduction (asexual and sexual reproduction) Characteristics and importance of some major Protozoans- Amoeba,Paramecium, Plasmodium.

 

12.00
Unit V: 
Fungi and Algae

An Introduction to fungi- General features of fungi, Classification of fungi, according to Alexopoulos and Mims (1979). General characteristics of the following groups of Fungi, Oomycets, Zygomyetes, Ascomycetes, Basidiomycetes and Deuteromycetes. Homothallism and heterothallism.An introduction to Algae- General features of algae, Modern classification of algae, General characteristics of the following groups of Algae: Chlorophyceae, Phaeophyceae, Pyrrophyceae and Diatoms. Lichens- Structural organization.Economic importance of Fungi, algae and lichens.

ESSENTIAL READINGS: 
  • Microbiology ,5th edition, M J Pelczar, E C S Chan, N R Kreig, Tata Mc Graw Publication, 2019
  • Microbiology-a Laboratory Manual, 10th edition, J G Cappuccino and N Sherman, Addison Wesley, Pearson Education, Inc., 2014
  • Microbiology-an introduction, 13th edition, G.J. Tortora, B.R. Funke, C.L. Case Pearson Education, Inc., 2020
  • Prescott’s Microbiology, 11th edition, J Willey, K Sandman, D Wood,  Mc Graw Hill Companies, 2019
  • Microbial Physiology and Metabolism, 2nd edition, D R Caldwell, Brown Publishers, 1999
  • Microbial Physiology, 4th edition, A G Moat and J W Foster, John Wiley and Sons, Inc., 2011
  • Biological Nitrogen Fixation, 1st edition, F J de Bruijn, Wiley- Blackwell Publishers, 2015
REFERENCES: 

SUGGESTED READINGS:

  • Advances in Microbial Physiology, 1st edition, R K Poole, Academic Press, 2006
  • Brock Biology of Microorganisms, 14th edition, M T Madigan, J M Martinko, K S Bender, D H Buckley, D A Stahl, Pearson Education, Inc., 2017
  • General Microbiology, 5th edition, R Y Stanier, J L Ingharam, M L Wheelies, P R Painter, Mac Millan Education Ltd, 1999
  • Fundamentals of microbiology, 11th edition, J C. Pommerville, Jones &Barlett Publishers, 2017

e RESOURCES:

JOURNALS:

  • Frontiers in Microbiology
  • Journal of & Letters in Applied Microbiology
  • Microbiology and Molecular Biology Reviews
  • BMC Microbiology
  • FEMS Microbiology Letters
  • PLOS ONE
  • Nature
Academic Year: