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BSc Biomedical Sciences with a Modern Language / Course details
Year of entry: 2023
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Course unit details:
Computational Approaches to Biology
|Unit level||Level 3|
|Teaching period(s)||Semester 1|
|Available as a free choice unit?||No|
Computational methods are increasingly used in all areas of biology in order to better understand complex living systems and develop models that generate testable predictions. This unit introduces a range of computational techniques, including differential equations, machine-learning, network and constraint-based analysis, which are used for a wide range of biomedical and biotechnological applications, from understanding how intracellular signalling pathways are disrupted in diseases to redesigning organisms by metabolic engineering.
|Unit title||Unit code||Requirement type||Description|
|MSci Project Literature Review and Research Proposal||BIOL33000||Co-Requisite||Recommended|
|MSci Bioinformatics Tools and Resources||BIOL33011||Co-Requisite||Recommended|
A-Level Mathematics required.
A limited number of places will be available for BSc students, the following rules apply:
a) The student MUST have A’Level Maths (or its international equivalent - but AS or GCSE Maths are not sufficient).
b) The student cannot join the unit in the 2-week grace period at the start of the semester, they would have to be pre-accepted in early September.
c) The student must first discuss with their PD whether taking the unit is appropriate for them or not.
d) Where demand exceeds capacity, acceptance onto the unit will be based on the student’s Year-2 average mark.
This unit aims to introduce students to a wide range of computational methods and tools required to carry out interdisciplinary research in the biological sciences.
The unit will start with an introduction to essential mathematical concepts used in biological modelling and an introduction to the Python programming language. Students will be introduced to the Jupyter Notebook system, a widely used online application allowing the development of code for data analysis and numerical simulation. The core of the unit will be structured along three main sections, each covering a particular set of techniques and applications:
Section 1: Dimensionality reduction and clustering
• Dimensionality reduction: Principal Component Analysis (PCA) and interactive plotting with applications to visualising single-cell expression data
• Clustering: hierarchical, k-means and mixture model clustering
• Non-linear dimensionality reduction methods: GPLVM and t-SNE for non-linear dimensionality reduction and visualisation of single-cell data
Section 2: Models of large cellular systems
• Network reconstruction and analysis: protein-protein interaction networks, metrics for network analysis, integration of high-throughput biological data.
• Logical modelling: Boolean models, logical steady state analysis, applications to cancer systems.
• Constraint-based modelling of metabolic networks.
Section 3: Dynamic models
• Introduction to differential equations-based modelling
• Modelling gene regulatory pathways I: gene transcription
• Modelling gene regulatory pathways II: cellular signalling pathways
Teaching and learning methods
The unit will be delivered as a succession of lectures (1 hour) and practical sessions (2 hours), where each lecture will introduce the theory behind a method/tool, and students will apply the method/tool to solve a particular biological problem in the practical.
Students will be assessed by completing three online modules, one for each of the main sections of the unit. These modules will consist of a series of short questions, some of which will require a short piece of code to be written.
Knowledge and understanding
• Understand essential mathematical concepts required for biological research.
• Understand and apply differential equations and stochastic modelling of intracellular systems.
• Understand and apply constraint-based modelling of metabolic systems.
• Understand and apply network analysis and logical modelling of molecular systems.
• Understand and apply data analysis methods.
• Understand the applications and limitations of different modelling techniques and tools.
• Develop problem-solving skills
• Construct models and design experiments to test biological hypotheses.
• Use the Python language and develop models using the Jupyter Notebook system.
• Construct models of signalling, regulatory and metabolic systems.
• Infer computational models from biological data
Transferable skills and personal qualities
· Develop computational skills.
· Develop report writing skills.
· Learn to communicate computational results.
- Analytical skills
- Critical appraisal of research papers.
- Project management
- To be able to meet deadlines for written and experimental work.
- Problem solving
- Planning of modelling strategies to test a specific hypothesis.
- Learning computational techniques and applying these to your planned goals.
- Written communication
- Scientific writing skills preparing a report.
Three online modules (each 33.3%).
Verbal feedback will be communicated during the practical sessions.
Written feedback will be communicated through annotated comments for each online assessment.
Specific material will be provided with each lecture.
|Scheduled activity hours|
|Practical classes & workshops||24|
|Independent study hours|
|Jean Marc Schwartz||Unit coordinator|