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2022/2023

Laboratory III

Code: 100978 ECTS Credits: 3
Degree Type Year Semester
2500502 Microbiology OB 2 1

Contact

Name:
Susana Campoy Sanchez
Email:
susana.campoy@uab.cat

Use of Languages

Principal working language:
catalan (cat)
Some groups entirely in English:
No
Some groups entirely in Catalan:
Yes
Some groups entirely in Spanish:
No

Other comments on languages

Teaching will not be entirely in Catalan or Spanish, although the Catalan will be used mainly

Teachers

Iñaki Alvarez Perez
Maria Area Navarro
Susana Campoy Sanchez
Alicia Roque Cordova

Prerequisites

It is desirable to have coursed or are coursing first semester of the second year of the Degree of Microbiology and the previous integrated laboratory I and II courses.
It is mandatory that the student has passed the safety and biosafety tests that will be found in the Virtual Campus. It is also compulsory to know and accept the operating rules of the teaching laboratories of the Faculty of Biosciences and accomplish all the specific instructions of the teachers.

Objectives and Contextualisation

This course introduces students to basic molecular and immunological techniques for experimentation in a Molecular Biology laboratory.
The specific objectives to be achieved are defined in the following points:
• To know how to apply biochemical fractionation and other analysis techniques.
• Perform nucleic acid extraction and electrophoresis techniques.
• To know how to use basic recombinant DNA techniques such as restriction endonucleases, DNA cloning in vectors, DNA transformation, etc.
• To know the methodologies for the labeling of DNA probes and to apply specific detection techniques of these labeled probes by DNA-DNA hybridization.
• Use and know how to apply PCR techniques and/or quantitative PCR.
• To know how to use immunological techniques of precipitation and agglutination or ELISA and understand their application in the identification and typing of microorganisms.
• Integrate knowledge of molecular biology, biochemistry, microbiology and immunology for the cloning, overexpression, purification, and detection of a bacterial protein.

Competences

  • Adapt to new situations.
  • Apply knowledge of theory to practice
  • Communicate orally and in writing.
  • Design and apply methods and strategies for isolating and selecting new microorganisms and for genetically manipulating microorganisms of interest.
  • Develop creativity and initiative.
  • Display a capacity for analysis, synthesis, organisation, planning and decision-making.
  • Use molecular and immunological techniques in the characterisation of microorganisms and materials of biological origin.
  • Work individually or in groups, in multidisciplinary teams and in an international context.

Learning Outcomes

  1. Adapt to new situations.
  2. Apply electrophoretic techniques for separating DNA and proteins.
  3. Apply knowledge of theory to practice
  4. Apply methodologies for detecting and analysing different metabolites in biological preparations.
  5. Apply procedures based on the use of specific probes and on hybridisation with nucleic acids.
  6. Apply procedures for purifying gene products produced by microorganisms.
  7. Apply suitable methods for analysing enzyme activity.
  8. Communicate orally and in writing.
  9. Describe and apply procedures and techniques for cloning DNA.
  10. Describe and apply techniques for extracting whole DNA, chromosomal DNA, plasmidic DNA and virus DNA.
  11. Describe and use immunological techniques.
  12. Describe and use techniques for amplifying DNA.
  13. Develop creativity and initiative.
  14. Display a capacity for analysis, synthesis, organisation, planning and decision-making.
  15. Interpret the results obtained when using different molecular techniques.
  16. Process tissues and cells to obtain sub-cellular fractions and characterise these biochemically.
  17. Use enzymes of molecular biology to modify DNA and describe the procedures.
  18. Use microbial vectors for the expression of genes of interest in microorganisms.
  19. Use the advanced instruments and methodologies of a biochemistry laboratory.
  20. Use the basic techniques for handling and analysing proteins and nucleic acids
  21. Work individually or in groups, in multidisciplinary teams and in an international context.

Content

The subject will be organized in two distinct parts:
Monographic methodological sessions lasting approximately three and four hours depending on each session and scheduled weekly in 3 groups of 3 or 4 sessions depending on each module.
Integrated practice, lasting 19-hours that will be intensive for one week

Monographic sessions

MODULE 1
Sessions 1, 2 and 3. Cell fractionation techniques and biochemical analysis. Characterization of the fractions by enzymatic markers. Techniques of cold labeling probes, of dot blot and hybridization.
 
MODULE 2
Sessions 4 and 5. Nucleic acid and restriction techniques.
Session 6. PCR techniques.
Session 7. Techniques for detecting interactions between DNA and protein.
 
MODULE-3
Sessions 8 to 11. Precipitation of immunoglobulins with ammonium sulfate. Determination of the concentration of antibodies in serum by ELISA. Separation of splenocytes by density gradient. Determination of phagocytosis by a monocyte cell line using the flow cytometry technique.
 
INTEGRATED PRACTICE

Sessions 1 and 2. Cloning of a bacterial gene and overexpression of the gene product.
Session 3. Purification and quantification of the protein.
Sessions 4 and 5. Detection of the protein by Western blot.

 

Methodology

The subject will be taught in small groups of students.
To be able to acquire the specific competences of the subject attendance to the practical sessions is mandatory. In case a student for justified and unforeseeable reasons does not attend to a practice session(s), he/she must communicate to the responsible teacher and present the corresponding certificate as soon as possible to the coordinator of the Degree. It is understood for justified cause health problems (it must be accompanied by the corresponding medical certificate) or serious personal problems, as defined in the evaluation regulations of the Faculty of Biosciences (section 1.3).
The students will have a manual of the course before the beginning of the practical sessions. The student must bring his own gown, laboratory glasses, a notebook, and the manual (available in the Virtual Campus or where indicated by the teaching staff).

The students will work in small groups. At the beginning of each session, the teacher will make a brief theoretical explanation of the content of the practice and the experiences to be carried out.
In order to achieve a good performance and acquire the competences corresponding to this course, it is essential that the student makes a comprehensive reading of the practice manual, familiarizing with the practices that will be carried out in each session as well as with the methodology that should apply in each case.

 

Annotation: Within the schedule set by the centre or degree programme, 15 minutes of one class will be reserved for students to evaluate their lecturers and their courses or modules through questionnaires.

Activities

Title Hours ECTS Learning Outcomes
Type: Directed      
Classroom sessions 2 0.08 1, 3, 7, 4, 5, 2, 10, 12, 11, 13, 15, 16, 8, 21, 19, 14, 17, 20
Laboratory sessions 53 2.12 1, 3, 7, 4, 5, 6, 2, 9, 10, 12, 11, 13, 18, 15, 16, 8, 21, 19, 14, 17, 20
Type: Supervised      
Tutorship 1 0.04 1, 3, 7, 4, 5, 6, 2, 9, 10, 12, 11, 13, 18, 15, 16, 8, 21, 19, 14, 17, 20
Type: Autonomous      
Comprehensive reading of the practice manual 4 0.16 1, 3, 7, 4, 5, 6, 2, 9, 10, 12, 11, 13, 18, 15, 16, 8, 21, 19, 14, 17, 20
Study 4 0.16 1, 3, 10, 12, 11, 13, 15, 21, 14
Writing reports or questionnaires 6.5 0.26 3, 7, 4, 5, 6, 2, 9, 12, 18, 15, 16, 8, 19, 17

Assessment

The evaluation of the subject is continuous and distributed in the different sections:

MODULE 1:
The assessment is through a questionnaire referred to sessions 1, 2 and 3. This questionnaire must be submitted when indicated by the teaching staff. To pass this module the qualification obtained in the questionnaire must be equal to or greater than 5.

MODULE 2:
A questionnaire is made at the end of the practical sessions. The questionnaire allows assessing if the student has reached the competencies associated with the module. To pass this module the obtained score in the questionnaire must be equal to or greater than 5.

MODULE 3:
This module is assessed by conducting a questionnaire at the end of session 12. To pass this module the score obtained in the questionnaire must be equal to or greater than 5.

INTEGRATED PRACTICE:
The assessment of integrated practice is composed of two distinct aspects:
A) 8 points out of 10 come from the qualification obtained in a questionnaire.
B) 2 points out of 10 are obtained by the achievement in the laboratory of the objectives set in each session.

To pass this module, the final qualification must be equal to or greater than 5.

PRIOR KNOWLEDGE OF ACTIVITIES TO PRACTICAL SESSIONS:

This section takes into account the prior knowledge of the students before beginning the practical session that derives from the previous comprehensive reading of practice manual.

The assessment is done using random questionnaires that will be delivered at the beginning of some / some session Practice. The final grade of this section is the average grade of the different tests carried out.
The final grade of the subject is the weighted average of the grades obtained in each of the different sections taking into account that each module will represent 20% of the final grade of the subject and the integrated practice will correspond to 30%. The remaining 10% depends on the qualification obtained in the previous knowledge section.

Note that it is possible to penalize with a maximum of 40% with respect to 100% of the final qualification of the subject incorrect attitudes of the student in the laboratory such as lack of punctuality, not performing autonomous work indicated by the teacher, non-respectful behavior with colleagues or teachers, improper use of laboratory equipment and equipment, etc.

To pass the course you must obtain a final grade equal to or greater than 5, being necessary to overcome each of the modules and the integrated practice.
Students who do not pass the evaluation of the different modules or the integrated practice should perform the scheduled retake examination at the end of the semester, opting for a maximum score of 8 points on the 10 possible of the recovered module(s).
Students who do not obtain the minimum qualification required to pass each of the modules of the integrated laboratory, will not pass the subject. In this case, the maximum final grade of the subject will be 4.

In the second enrollment, the students can only perform the non-passed modules. The students should contact the coordinator of their pending module(s). In the case they pass the module(s) in this new enrollment, the final grade of the course will be the weighted average of the grades of the passed module(s) in this academic year with those of passed module(s) in previous registrations. In case of not overcoming the module(s), the maximum final grade of the subject will be 4.
Since attendance to the scheduled activities is mandatory, the absence of any of them must be justified and communicated to the coordinator of the Degree as defined in the Methodology section. To be able to pass the subject requires a global attendance of at least 80% of the sessions scheduled and obtain the minimum score set for each module. Thus, a student attending to less than 80% of scheduled sessions will be graded as "non-evaluable".

 

Assessment Activities

Title Weighting Hours ECTS Learning Outcomes
Integrated practice's test type questionnaire 24% 1.5 0.06 1, 3, 5, 6, 2, 9, 12, 11, 13, 18, 15, 8, 21, 19, 14, 17, 20
Laboratory work performance during the Integrated practice 6% 0 0 1, 3, 7, 5, 6, 2, 9, 10, 12, 11, 18, 15, 19, 17, 20
Prior knowledge of activities to practical sessions 10% 0 0 3, 8, 14
Questionnaire of Module 1 20% 0 0 1, 3, 7, 4, 13, 15, 16, 8, 21, 19, 14, 20
Test type questionnaire of Module 2 20% 2 0.08 1, 3, 2, 9, 10, 12, 13, 15, 8, 21, 14, 17, 20
Test type questionnaire of Module 3 20% 1 0.04 1, 3, 5, 11, 13, 15, 8, 21, 14

Bibliography

Students will have a practice manual of the course that details the objectives of each session along with the protocols that will be used. Also in the dossier, will be recorded the bibliography associated to each one of the different sessions.

 

Software

The usual Microsoft environment programs will be used.