CELLULAR METABOLISM AND PROCESSES

Paper Code: 
DBTE 701
Credits: 
4
Contact Hours: 
60
Objective: 

Course Outcomes

Learning and teaching strategies

Assessment Strategies

Upon completion of the course the learner will:

CO62: Analyze various cellular processes

CO63: Interpret genomic instability and cell transformations.

CO64: Determine cellular signaling, transport and trafficking       

CO65: Evaluate metabolism of carbohydrates and compute the ATP production and analyze photosynthesis.

CO66: Evaluate lipid metabolism and nucleotide biosynthesis.

Interactive Lectures,

Discussion,

Tutorials,

Demonstrations,

Assignments

Reading Journals

Class test, Semester end examinations, Quiz, Solving problems in tutorials, Assignments, Presentation, Individual and group projects

 

10.00
Unit I: 
Cellular processes

Cell cycle and its regulation; cell division: mitosis, meiosis and cytokinesis; cell differentiation: stem cells, their differentiation into different cell types and organization into specialized tissues; cell-ECM and cell-cell interactions; cell receptors and trans- membrane signaling; cell motility and migration; cell death: different modes of cell death and their regulation.

10.00
Unit II: 
Genome instability and cell transformation

Proto-oncogenes, oncogenes and tumour suppressor genes, transpositions- transposable genetic elements in prokaryotes and eukaryotes, role of transposons in genome; viral and cellular oncogenes; tumor suppressor genes; structure, function and mechanism of action; activation and suppression of tumor suppressor genes; oncogenes as transcriptional activators

10.00
Unit III: 
Cellular signaling, transport and trafficking

Molecular mechanisms of membrane transport, nuclear transport, transport across mitochondria and chloroplasts; intracellular vesicular trafficking from endoplasmic reticulum through Golgi apparatus to lysosomes/cell exterior.

15.00
Unit IV: 
Cellular metabolism & Bioenergetics-I

Bioenergetics-basic principles; equilibria and concept of free energy; coupled interconnecting reactions in metabolism; oxidation of carbon fuels; recurring motifs in metabolism; Introduction to GPCR, Inositol/DAG//PKC and Ca++ signaling pathways; glycolysis and gluconeogenesis; reciprocal regulations and non-carbohydrate sources of glucose; Citric acid cycle, entry to citric acid cycle, citric acid cycle as a source of biosynthetic precursors; Oxidative phosphorylation; importance of electron transfer in oxidative phosphorylation; F1-F0 ATP Synthase; shuttles across mitochondria; regulation of oxidative phosphorylation; Photosynthesis – chloroplasts and two photosystems; proton gradient across thylakoid membrane; Calvin cycle and pentose phosphate pathway; glycogen metabolism, reciprocal control of glycogen synthesis and breakdown, roles of epinephrine and glucagon and insulin in glycogen metabolism

15.00
Unit V: 
Cellular metabolism & Bioenergetics-II

Fatty acid metabolism; protein turnover and amino acid catabolism; nucleotide biosynthesis(De novo and Salvage pathways); biosynthesis of membrane lipids and sterols with specific emphasis on cholesterol metabolism and mevalonate pathway; elucidation of metabolic pathways; logic and integration of central metabolism; entry/ exit of various biomolecules from central pathways; principles of metabolic regulation; steps for regulation. target of rapamycin (TOR) & Autophagy regulation in relation to C & N metabolism, starvation responses and insulin signaling.

ESSENTIAL READINGS: 

•      Biochemistry, D. Voet and J.G. Voet, John Wiley & Sons, (5th Edition), 2004.

•      Principles of Biochemistry, Lehninger, Nelson and Cox, (8th Edition), 2021.

•      Principles and Techniques in Biochemistry and Molecular Biology, Edited by Keith Wilson and John Walker, Cambridge University Press, (8th Edition), 2018.

 

REFERENCES: 

SUGGESTED READINGS:

•  Biochemistry and Molecular Biology by W.H. Elliot and Daphne C. Elliot, Oxford University Press, (3rd Edition), 2005.

•  Essentials of Molecular Biology, David Friefelder, Jones and Barllett Publications, 7th Reprint, 2001.

e RESOURCES:

•  http://nopr.niscair.res.in/

•   http://nopr.niscair.res.in/

JOURNALS:

•  Indian Journal of Biochemistry and Biophysics (IJBB) http://nopr.niscair.res.in/

•  Indian Journal of Biotechnology (IJBT) http://nopr.niscair.res.in/

•  Biotechnology and Applied Biochemistry Biotechnology and Applied Biochemistry - Wiley Online Library

Academic Year: