Identifying Data 2023/24
Subject (*) Genetic Variation Mechanisms Code 610441005s
Study programme
Máster Universitario en Bioloxía Molecular, Celular e Xenética (semipresencial)
Descriptors Cycle Period Year Type Credits
Official Master's Degree 1st four-month period
First Obligatory 3
Language
Spanish
English
Teaching method Hybrid
Prerequisites
Department Bioloxía
Coordinador
Gonzalez Tizon, Ana Maria
E-mail
ana.gonzalez.tizon@udc.es
Lecturers
Gonzalez Tizon, Ana Maria
Vila Sanjurjo, Antón
E-mail
ana.gonzalez.tizon@udc.es
anton.vila@udc.es
Web http://cie48.udc.es
General description Esta materia profundiza en el conocimiento de los diversos mecanismos que generan la variación genética, tanto en el aspecto de sus bases moleculares como en el de su impacto sobre los genomas y la evolución de las especies.

Study programme competencies
Code Study programme competences
A3 Skills of understanding the functioning of cells through the structural organization, biochemistry, gene expression and genetic variability.
A6 Skills of understanding the functioning of cells through the structural organization, biochemistry, gene expression and genetic variability.
A11 Skills of understanding the structure, dynamics and evolution of genomes and to apply tools necessary to his study.
A12 Skills to understand, detect and analyze the genetic variation, knowing genotoxicity processes and methodologies for its evaluation, as well as carrying out diagnosis and genetic risk studies.
A13 Skills to become a professional in health, pharmacy, veterinary, animal production, biotechnology or food sectors.
B1 Analysis skills to understand biological problems in connection with the Molecular and Cellular Biology and Genetics.
B2 Skills of decision making for the problem solving: that are able to apply theoretical knowledges and practical acquired in the formulation of biological problems and the looking for solutions.
C2 Ability to know and use appropriately the technical terminology of the field of knowledge of the master, in the native language and in English, as a language of international diffusion in this field
C3 Using ICT in working contexts and lifelong learning.

Learning aims
Learning outcomes Study programme competences
Comprehensive reading of scientific texts related to the module subjects Ability to expose the current state of knowledge within this field Critical ability to evaluate hypotheses and interpret results Understanding cell structure and function from an interdisciplinary vision in which Cell Biology, classical Cytology, Genetics and Molecular Biology converge Understanding of the biochemical and physiological processes that allow signaling between cells and with structural elements, as well as the causative aspects of pathologies related to alterations in cell signaling and the tools used for your study Know the experimental techniques to access the study of the molecular mechanisms of regulation of gene expression as well as the molecular machinery involved and their regulatory systems To know the characteristics of the proteins and complexes involved in the regulation of gene expression, their interaction with genetic material and the enzymatic reactions that modulate their activity. To know the mechanisms that cause genetic variability AR3
AR6
AR11
AR12
AR13
BR1
BR2
CC2
CC3

Contents
Topic Sub-topic
Topic 1. Nature of mutations. Estimates of mutation rate and frequency.
Types of lesions caused by mutations. Physical and chemical mutagens.
Reversion and deletion.
Paramutation.
Topic 2. DNA repair mechanisms. Preventive methods.
Direct repair.
Excision repair.
Post-replication repair.
Topic 3. Genetic diseases related to mutagenic agents. Cancer.
Diseases due to failures in repair systems.
Topic 4. Mobile DNA: abundance in genomes.
Classifications of transposable elements. Proliferation.
Modular evolution. Impact on genomes. Domestication.
Topic 5. Recombination processes. Recombination rates.
Gene conversion.
Sexual dimorphism of the rate of recombination, crossing over and gene conversion.
Biased gene conversion.
Topic 6. Evolution of scientific thinking about the origin of genetic variability. The contribution of Woese. Introduction: Cell evolution: the "bumpy" path to "who knows where" History of evolutionary thought: Lamarck
History of evolutionary thought: Darwin
History of evolutionary thought: Modern Synthesis of Evolutionary Biology
State of Microbiology (and Virology) for most of the 20th century
Carl Woese
LUCA
Generation of genetic variability in the beginning of life
Unit 7. Microbial evolution in the era of genomics Introduction
The turbulent dynamics of microbial evolution
HGT
Damned concepts of classical genetics: genetic elements with Lamarckian flavor?
Damned concepts of classical genetics: Evolution of evolution?
Unit 8. The mysterious world of viruses Introduction
figures and definitions
Are the viruses alive?
Early ideas about the evolution of viruses
Structural biology allows a deep look into the past
The origin of viral replicons
When did viruses originate?
Gene flow between viruses and hosts
New discoveries about the evolution of viruses
Viral population dynamics models
conclusions

Planning
Methodologies / tests Competencies Ordinary class hours Student’s personal work hours Total hours
Guest lecture / keynote speech A3 A6 A11 A12 A13 B1 B2 C2 C3 0 36 36
Long answer / essay questions C2 C3 2 8 10
Multiple-choice questions C2 C3 8 0 8
Workbook A6 A11 A12 B1 B2 C2 C3 0 14 14
Laboratory practice A12 A13 B1 B2 C2 C3 6 0 6
 
Personalized attention 4 0 4
 
(*)The information in the planning table is for guidance only and does not take into account the heterogeneity of the students.

Methodologies
Methodologies Description
Guest lecture / keynote speech In each class the contents of the program will be exposed. The teachers' presentations will be incorporated into the Moodle platform.

CONTINGENCY PLAN: the lectures will be held via TEAMS at the previously approved official hours
Long answer / essay questions Written test in which any aspect addressed in the theoretical and practical teaching will be dealt with.


CONTINGENCY PLAN: PRESENTIAL students will take the exam via TEAMS on the date and times previously established and approved
Multiple-choice questions
Workbook
Laboratory practice The laboratory practices are the following:
Practice 1: PCR amplification of DNA sequences
Practice 2: electrophoresis of PCR products
Practice 3: Work with bioinformatics tools for the analysis of the sequences of the PCR products
CONTINGENCY PLAN: in case of confinement, the practices will be reconverted or replaced in computer analysis working with different genomic sequences.

Personalized attention
Methodologies
Description
The students will be able to attend the tutorials in the previously established schedules or agreed with the students of the subject. These tutorials may be individual or group via TEAMS, email or in person.

CONTINGENCY PLAN: in case of confinement, they will be carried out through TEAMS individually, or by email.

Assessment
Methodologies Competencies Description Qualification
Long answer / essay questions C2 C3 Test de resposta múltiple sobre os contenidos teóricos e prácticos. Cando menos o 50% da proba será en inglés. Nesta actividade avaliarase a adquisición das competencias A5, A9, A16. 70
Laboratory practice A12 A13 B1 B2 C2 C3 Attendance to lab sessions and execution of exercises proposed by the teacher will be graded. For the monitoring and grading of learning, students must prepare and present a practical notebook with its introduction, materials and methods, description of results and conclusions. In this activity the acquisition of competence A5 will be evaluated. 15
 
Assessment comments
<p>Laboratory practices are mandatory.</p><p>To pass the subject, the student must obtain at least 50% of the score assigned to the essay / development test and another 50% of that of the laboratory practices.</p><p>It will be considered NOT PRESENTED when the student has not participated in more than 20% of the scheduled assessable activities. This criterion applies to the January call. In the July call, to obtain the grade NOT PRESENTED, it will be enough to not appear for the objective tests (theory and practical exams).</p><p>For the evaluation of the July call, the student, in addition to the corresponding exams, must present the power point presentation of the oral presentation. In the event that this activity was already evaluated in the January call, the grade obtained will remain for July.</p><p>For students with part-time dedication and exemption from attendance, the teacher will adopt the measures that he deems appropriate to avoid damaging her grade (flexibility in the delivery dates of the assessable activities). Instead of the oral presentation, these students will make a 2-3 page summary that must be delivered in pdf to the teacher for evaluation.</p><p> </p>

Sources of information
Basic Gibson, G. (2009). A primer of genome science. Sinauer Associates
E.C. Friedberg et al. (2006). DNA repair and mutagenesis. Second edition. ASM Press
Weiner, M. P., Gabriel, S., and Claibo, J. (2007). Genetic variation: a laboratory manual. Cold Spring Harbor Laboratory Press
Meyers, R. A. (2007). Genomics and genetics: from molecular details to analysis and techniques. Wiley-VCH
N L Craig et al. (2002). Mobile DNA II. ASM Press

The students will receive from the teachers of the subject recent webgraphy and review articles to properly prepare the subject. They will be hosted (bibliography and webgraphy) on the Moodle platform.

Complementary R Scott Hawley, MY Walker (2003). Advanced genetic analysis. Finding meaning in a genome. . Blackwell Publishing
Hartl, D. L. (2009). Genetics: analysis of genes and genomes. Jones and Bartlett
Watson et al. (2004). Molecular Biology of the gene. Fifth edition. Pearson-Cummings
J. M. Coffin et al. (1997). Retroviruses. Cold Spring Harbor Laboratory Press


Recommendations
Subjects that it is recommended to have taken before

Subjects that are recommended to be taken simultaneously

Subjects that continue the syllabus

Other comments

Attendance at lectures makes it possible to deal with any doubts or questions that may arise in the course of the explanations, facilitating the understanding of the subjects. Study should include regular reading of at least the recommended bibliography. Group study and work favours understanding and develops a critical spirit. The doubts and difficulties that arise in any aspect of the subject will be resolved as soon as possible, raising them in the classroom or attending individual tutorials. Given that part of the recommended bibliography for this subject is in English, it is recommended to have a good command of this language, at least at the level of comprehension of written texts.

Gender Perspective

In this subject, the gender perspective will be taken into account, sexist attitudes will not be tolerated and the values of respect and equality will be promoted.


Program Green Campus Empower of Sciences

To help to achieve some sustainable immediate surroundings and fulfil with the point 6 of the Environmental Statement of the faculty of Sciences (2020), the documentary works that realise  in this matter:

a. They will request mostly in virtual format and computer support

b. To realise in paper:

-they will not employ plastic

-will realise impressions to double expensive

-will employ paper recycled

-will avoid the realisation of drafts

To Environmental Statement is available in:

https://ciencias.udc.es/images/Facultade/Green_Campus/Regulamento_Comit%C3%A9_Green_Campus_FCiencias.pdf



(*)The teaching guide is the document in which the URV publishes the information about all its courses. It is a public document and cannot be modified. Only in exceptional cases can it be revised by the competent agent or duly revised so that it is in line with current legislation.