Molecular parassitology

Course objectives

Main objectives The course of Molecular Parasitology aims to provide students with the knowledge on the molecular mechanisms underlying the biology of parasites and vectors, their pathogenicity and their coevolution with the host, with particular interest in the vector-parasite and host-parasite molecular interplays. Human parasitic protozoa, helminths and arthropods will be part of the syllabus, with particular attention to the molecular biology of the vectors. The lessons will address different aspects of parasitological relationships, starting from the fundamental biological aspects up to the specific molecular mechanisms of parasitic life, such as evasion of the host's immune system, molecular mimesis, penetration into host cells, etc. Biotechnological approaches (-omics, transgenesis, creation of novel experimental models, etc.) that allowed in recent years to expand genomic, genetic, molecular and biochemical knowledge on parasites and on the complex interactions between different eukaryotic organisms will be also discussed. Specific objectives At the end of the lessons, the student will have acquired both the key biological competences on the discipline of Parasitology and the specific knowledge on the molecular basis of parasitological relationships, vector-parasite-host interactions, metabolism and pathogenicity of parasites. A) Knowledge and understanding. During the course, the student will be guided towards understanding the importance of studying the subject both from the point of view of basic research and from the point of view of the numerous possible applications in biomedical research, considering the considerable impact of parasitic diseases (neglected and not) on global public health. B) Ability to apply knowledge and understanding. At the end of the lessons, the students will have gained the biological and terminological competences of the subject. One of the aims of the course is to provide students with useful tools for analyzing biological problems and questions and for identifying the relevant molecular strategies useful for their study. C) Autonomy of judgment. During the course the student's ability to apply the scientific method to Molecular Parasitology will be stimulated. Many aspects of the molecular interactions that regulate parasitic life with the hosts and with the vectors are in fact still open questions, deeply studied in numerous laboratories in the world. The student will be encouraged to develop the ability to understand scientific issues, to interpret the experimental strategies applied and to evaluate the conclusions reached. D) Communication skills. The curriculum of the course encompasses different opportunities of direct communication from the student to the teacher and to the class, for example through the deepening (in groups or individually) and the exposition of specific topics of the program. The student will be directed towards choosing the appropriate literature and will be followed in the predsentation of the specific study. E) Learning skills. Learning skills will be continuously stimulated through the application of an integrated study method between texts, teaching and didactic material provided by the teacher, original articles, thematic reviews, especially through the review of the most recent scientific literature.

Channel 1
FABRIZIO LOMBARDO Lecturers' profile

Program - Frequency - Exams

Course program
The course aims to investigate the molecular mechanisms underlying the biology of parasites and vectors, their pathogenicity and their coevolution with the host, with particular interest in the vector-host-pathogen molecular interactions. Below, the detailed program with an indication of the temporal succession of the topics: 1. General principles of Parasitology (lessons I and II) a. Parasitism evolution; routes of transmission and infection b. Epidemiology and control strategies of protozoa and metazoan parasites c. Impact of parasites and vectors on health 2. Life cycles and main metabolic processes involved (lessons II and III) a. Pathogenetic mechanisms; parasitic specificity b. Genomics of parasites 3. Main mechanisms of evasion of the host's immune system (lessons III and IV) a. Modulation of host immune response b. Strategies adopted by protozoan parasites c. Strategies adopted by metazoan parasites 4. Invasion of the host cell: subphylum Apicomplexa (lessons V, VI and VII) a. Toxoplasma gondii, Cryptosporidium parvum, Plasmodium falciparum b. Remodeling of the host cell c. Secretion of proteases - exosomes and ncRNA - ligand-receptor mechanisms d. Formation of the parasitophorous vacuole: gliding, invasion and egress; role of membrane microdomains 5. Invasion of the host cell: Trypanosomatidae family (lessons VIII and IX) a. Leishmania spp b. Trypanosoma cruzi 6. Antigenic variation (lessons X and XI) a. Plasmodium spp b. Trypanosoma brucei 7. Molecular mimesis in metazoans (lessons XII and XIII) a. Schistosoma spp and filarie b. glycobiology 8. Development of drugs and vaccines (lessons (XIV) a. Plasmodium falciparum as a model organism 9. Drug resistance in parasites (lesson XV) a. Plasmodium falciparum b. Leishmania spp c. metazoan 10. Vector biology (lessons XVI, XVII and XVIII) a. Pathogens transmitted by vectors: protozoa, metazoa, arbovirus b. Transmission and molecular basis of vector competence: vector-host-pathogen interactions c. Vectors and adaptations of arthropods to hematophagy d. Role of innate immunity in vector-pathogen interactions e. Molecular basis of insecticide resistance 11. Genetic manipulation of vectors and parasites (lesson XIX) a. Transgenic approaches to vector control b. Role of symbionts and paratransgenesis c. Genetic manipulation of parasites of health interest: KO gene, KD gene, conditional mutagenesis 12. Molecular taxonomy and evolution (lesson XX) At least two lessons will be devoted to inverted teaching. Two lessons will be dedicated to seminars by Italian or foreign teachers who are experts in some theme of the program.
Prerequisites
Basic knowledge of biology, genetics, molecular and cellular biology.
Books
Educational material available on the site http://elearning2.uniroma1.it/ The pdf files of the presentations used by the teacher during the lessons will be made available to students. Furthermore, updated reviews and original articles on program topics will be provided to students for exam preparation. General information will be obtained from the material on the following sites: https://www.cdc.gov/dpdx/az.html https://www.euro.who.int/en/health-topics/communicable-diseases/vector-borne-and-parasitic-diseases
Teaching mode
Lectures, seminars by Italian and foreign teachers and flipped classroom.
Frequency
Attendance, although not mandatory, is strongly recommended.
Exam mode
The exam takes place with an oral test on the course program. The presentations of the flipped classroom will also be evaluated.
Bibliography
Chapters of the following book will be used: Molecular Parasitology - Protozoan Parasites and their Molecules Julia Walochnik and Michael Duchêne Springer Link, 2016 Reviews and articles on each topic will be available on the website: http://elearning2.uniroma1.it/
Lesson mode
Lectures, seminars by Italian and foreign teachers and flipped classroom.
  • Lesson code10592824
  • Academic year2025/2026
  • CourseGenetics and Molecular Biology
  • CurriculumGenetica e Biologia Molecolare (percorso valido anche ai fini del conseguimento del doppio titolo italo-francese)
  • Year1st year
  • Semester2nd semester
  • SSDVET/06
  • CFU6