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Environmental Microbiology [1]

Paper Code: 
24DENV501A
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objectives:

This course will enable the students to –

  1. Introduce the fundamental principles of environmental microbiology.
  2. Examine the interactions between microorganisms and their surroundings
  3. Explore the ecological roles and functions of microorganisms in various environments

Course Outcomes (COs):

Course

Course Outcomes

Learning and              teaching strategies

Assessment Strategies

Course Code

Course Title

 

 

 

 

 

 

 

 

 

24DENV 501A

 

 

 

 

 

 

 

 

 

Environmental Microbiology

CO44: Appraise the diversity of microbial communities and analyze the impact of environmental factors on microbial growth

CO45: Critically evaluate various types of microbial interactions and their implications in shaping ecological dynamics within ecosystems.

CO46: Synthesize information to characterize diverse microbial habitats in water bodies, integrating knowledge of microbial ecology

CO47: Evaluate sources of airborne microorganisms, assess microbial communities, and understand factors affecting microbial survival in the air

CO48: Examine soil microbial habitats, explore microbial involvement in biogeochemical cycling, and understand the role of the rhizosphere in nutrient cycling.

CO49: Contribute effectively in course-specific interaction

Approach    in teaching: Interactive lectures, Power Point Presentations, Group discussions, Tutorials

Learning activities for the students: Self-learning assignment, simulation, field observations, case studies

Quiz, Class Test Assignments, Individual and Group Presentations, Class Test, Semester End Examination

 

12.00
Unit I: 
Growth and Distribution of Microorganisms in the Environment
  • Basic classification of microorganisms
  • Types of microorganisms on the basis of nutrition
  • Factors affecting microbial growth (Temperature, pH, Oxygen concentration, Pressure and radiation)
  • Microbial growth curve (Lag phase, acceleration phase, exponential phase, deceleration phase, stationary phase, death phase)

 

12.00
Unit II: 
Microbial Interactions in the Environment
  • Interaction among the microbial populations (Positive and negative interactions)
    • Mutualism
    • Parasitism
    • Amensalism
    • Competition
    • Predation
    • Protocooperation
    • Commensalism
    • Mycorrhizae-Ectomycorrhizae and Endomycorrhizae

 

12.00
Unit III: 
Microbiology of Water
  • Microbial habitat in the aquatic environment
    • Planktonic environment
    • Benthic habitat
    • Microbial mats
    • Biofilms
  • Microbial characteristics of fresh and marine water

 

12.00
Unit IV: 
Microbiology of Air
  • Nature of Bioaerosols
  • Basics of Aeromicrobiological pathyway-launching, transport and deposition
  • Physical/Microbial habitats in the air
  • Extramural and Intramural Aeromicrobiology
  • Factors affecting microbial survival in the air
  • Control of Bioaerosols

 

12.00
Unit V: 
Microbiology of Soil
  • Soil habitat (Lithosphere)
  • Microbial biogeochemical cycling
    • Carbon cycle
    • Nitrogen cycle
    • Sulphur cycle
    • Phosphorus
  • Rhizosphere

 

Essential Readings: 

ESSENTIAL READINGS

  • Mohapatra, P. K. (2008). Textbook of Environmental Environmental Microbiology. New Delhi: I. K. International Publishing House.
  • Prescott, L. M. (2002). Microbiology (5th ed.). The McGraw−Hill Companies.
  • Maier, R.M., I. L. (2009). Environmental Microbiology (2nd ed.). USA: Academic Press (Elsevier).
  • Atlas, R.M., R. B. (2005). Microbial Ecology: Fundamental and Applications (4th ed.). New Delhi: Pearson Education Pvt. Ltd.

SUGGESTED READINGS

  • Jjemba, P. K. (2004). Environmental microbiology: principles and applications. Science Publishers.
  • Barton, L., D. E. (2011). Microbial Ecology. New Jersey: JOHN WILEY & SONS, INC., PUBLICATION.
  • Michael J. Pelczar, E. C. (1993). Microbiology (5th ed.). New Delhi: Tata McGraw-Hill Publishing Company Limited.
  • Srivastava, M. (2008). Environmental Microbiology. Shree Publishers & Distributors.
  • Stanier, R. (1987). General Microbiology (5th ed.). Palgrave Macmillan.

RESOURCES

  • Microbial Growth

https://bio.libretexts.org/Bookshelves/Microbiology/Book%3A_Microbiology_(Bruslind)/09 [2]

%3A_Microbial_Growth [2]

  • Introduction to Environmental Microbiology

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC714979/ [3]

  • Microbial Interactions

https://www.onlinebiologynotes.com/microbial-interaction-and-types-mutualism- [4] syntropism-proto-cooperation-commensalism-antagonism-parasitism-predation- [4] competition/ [4]   

JOURNALS

  1. Environmental Microbiology Reports (Society for applied microbiology)
  2. Journal of Applied Microbiology
  3. Asian Journal of Microbiology, Biotechnology & Environmental Sciences

 

Academic Year: 
2024-2025 [7]

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Source URL: https://environment.iisuniv.ac.in/courses/subjects/environmental-microbiology-10

Links:
[1] https://environment.iisuniv.ac.in/courses/subjects/environmental-microbiology-10
[2] https://bio.libretexts.org/Bookshelves/Microbiology/Book%3A_Microbiology_(Bruslind)/09%3A_Microbial_Growth
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC714979/
[4] https://www.onlinebiologynotes.com/microbial-interaction-and-types-mutualism-syntropism-proto-cooperation-commensalism-antagonism-parasitism-predation-competition/
[5] https://www.tandfonline.com/doi/abs/10.1080/10408399009527531
[6] https://ecampusontario.pressbooks.pub/microbio/chapter/biogeochemical-cycles/
[7] https://environment.iisuniv.ac.in/academic-year/2024-2025