The Universidad Mayor de San Andrés (UMSA) and the Bolivian Academy of Sciences (ANCB) organized the “1st TYAN Summer School in Bolivia”, an event that brought together 120 students and researchers from different public and private universities in Bolivia, to attend five parallel thematic courses. The event benefited from the presence and active participation of Dr. Max Paoli (UNESCO-TWAS Programme coordinator), Dr. Franco Cabrerizo (TYAN Chair), and the TYAN members Dr. Yraima Cordeiro, Dr. Pablo Bolaños, Dr. Leslie Tejeda, and Dr. Federico Brown.Brazil

1 – “Plants reproduction improvement” – Phd Pablo Bolaños from Universidad de Costa Rica (Costa Rica). The goal of this course was to share key aspects of plant reproduction to facilitate the improvement of important crops.
2 – “Animal models for experimental research in developmental biology”– Phd Federico Brown from Universidade de São Paulo (Brazil). The objective of this course was to provide basic tools for the study of invertebrate models for experimental research.
3 – “Biospectroscopy” – Phd Yraima Cordeiro, Universidade Federal do Rio de Janeiro taught how to analyse UV-Vis spectrum and fluorescence of biomolecules.
4 – “Food Chemistry” – Phd Leslie Tejeda, Universidad mayor de San Andrés (Bolivia). The objective was to help students comprehend the chemical process of the main compounds of food during its formulation.
5 – “Principles of photochemistry” – Phd Franco Cabrerizo, Universidad Nacional de San Martín (UNSAM, Argentina). The course aimed to teach basic aspects of the interaction of matter and radiation, as well as the mechanistic matter and radiation aspects of the photochemical and photophysical processes.
For more info: tyantwas@gmail.com, or Leslie Tejeda Pérez PhD (lktejeda@umsa.bo)
COURSES
Animal models for experimental research in developmental biology
Dr. Federico Brown (Universidade de São Paulo, Brazil)
Main field: Biology
Assumed prior knowledge: Introductory biology, genetics, cell and molecular biology, evolution
The course provided basic tools to collect and study invertebrate models for experimental research, focusing on:
- The establishment of these worms as laboratory model species: history and Nobel-prize winning research findings
- Contemporary developmental biology research
After attending this course the students were able to:
- Know how to collect and culture worms (nematodes and planarians)
- Be familiar with the publicly available scientific resources to work on these experimental models
- Write a short proposal on how to implement these animals to address a research question of your choice
The course included lectures, with extensive hands-on practical laboratory sessions
Contacts: TYAN (tyantwas@gmail.com) and Federico D. Brown PhD, Área Biología Evolutiva del Desarrollo (Evo-Devo), fdbrown@usp.br
Biospectroscopy
Dr. Yraima Cordeiro (Universidade do Rio de Janeiro, Brazil)
Main field: Biochemistry/Biophysics
Assumed prior knowledge: protein biochemistry.
The course aimed to teach the students to acquire and interpret UV-VIS and fluorescence spectra of biomolecules, especially:
- The use of simple spectroscopic methods to quantify proteins and protein aggregates.
After attending this course the students were able to:
- Qualitatively and quantitatively analyze UV-VIS spectra of proteins.
- Interpret fluorescence emission and excitation spectra of proteins.
- Understand the basic principles of protein fluorescence spectroscopy.
- Propose different spectroscopy approaches to quantify proteins in solution.
- Work with simple equipment, such as a UV-VIS spectrophotometer, to obtain relevant information about protein concentration, to use extrinsic dyes, and to perform quality control of samples.
The course included short lectures, with hands-on practical laboratory sessions.
Contacts: TYAN (tyantwas@gmail.com) and Yraima Cordeiro, PhD, Laboratory of Structural and Molecular Biology, yraima@pharma.ufrj.br
Plant Reproduction and Breeding
Dr. Pablo Bolaños-Villegas (Universidad de Costa Rica, Costa Rica)
Main field: Agriculture/Horticulture
Assumed prior knowledge: basic genetics
The course aimed to share key aspects of plant reproduction to facilitate breeding in key crops, focusing on:
- The state of the art on how DNA recombination occurs in plants, especially during reproduction; this knowledge allowed students to understand how valuable natural genes can be passed on or exchanged
- The state of the art on molecular plant cytogenetics, which allowed students to breed larger fruits, tubers, or flowers
After attending this course the students were able to:
- Understand the key aspects of meiosis and gamete formation
- Understand how crossover regulation occurs in plants
- Understand the regulation of pollen tube development and attraction
- Propose tentative experiments on local crops
- Interpret cytological and genetic data from plant reproductive processes and suggest a breeding program for a crop to introgress traits or increase fertility onto
The course included lectures and plant microscopy with commercial plant cytology samples.
Contacts: TYAN (tyantwas@gmail.com) and Pablo Bolaños-Villegas Ph.D, Fabio Baudrit Agricultural Station/Jardín Botánico Lankester/Universidad de Costa Rica, pablo.bolanosvillegas@ucr.ac.
Food chemistry
Dr. Leslie Tejeda (Universidad mayor de San Andrés, Bolivia)
Main field: Food Technology
Assumed prior knowledge: Organic Chemistry and/or Biochemistry.
The course aimed to describe the chemical properties of food components, focusing on:
- Chemical and physical-chemical properties of protein, fat, and carbohydrates in food,, as well as the role of water for the properties of foods.
- Basic chemistry of taste, flavor and color.
After attending this course the students were able to:
- Understand the fundamentals and basic concepts of food chemistry
- Understand the basic physical-chemical properties of foods.
- Describe basic concepts of chemical and sensory analysis of foods.
- Evaluate relations between the chemical composition and the properties of foods.
The course includes lectures and basic sensory analysis.
Contacts: TYAN (tyantwas@gmail.com) and Leslie Tejeda Pérez PhD, Área Química de Alimentos / lktejeda@umsa.bo
Fundamental aspects of photochemistry
Dr. Franco M. Cabrerizo (Universidad Nacional de San Martín, Argentina)
Main field: Chemistry

Assumed prior knowledge: Physical-Chemistry, Organic Chemistry.
The course aimed to allow the students to gain basic knowledge on the fundamental aspects of the radiation-matter interaction as well as on the mechanistic aspects of photochemical and photophysical processes, especially:
- Fundamental aspects of the interaction between radiation (UVA and visible) and matter
- Experimental techniques used in photophysics and photochemistry
- Mechanistic aspects of photoinduced chemical reactions
After attending this course the students were able to:
- Understand, at a molecular level, the fate of organic molecules when subject to photoexcitation
- Design specific experiments to study the mechanistic aspects of conventional photochemical processes
The course includes short lectures, with hands-on practical laboratory sessions.
Contacts: TYAN (tyantwas@gmail.com) and Franco M. Cabrerizo, PhD, Laboratory of Photochemistry and Molecular Photobiology, fcabrerizo@intech.gov.ar