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Master's Thesis
Author of thesis: Bc. Adéla Fialová
Acad. year: 2025/2026
Supervisor: doc. Mgr. Ing. Karel Sedlář, Ph.D.
Reviewer: Ing. Kateřina Šabatová
This thesis focuses on the use of whole-genome functional profiles for the taxonomic classification and characterization of bacterial species. The main objective was to evaluate whether functional genome annotation carries a sufficiently strong taxonomic signal to distinguish bacterial groups and whether it can complement conventional phylogenomic approaches. As part of the work, an analytical platform called FRODO was designed and implemented to enable automated processing of annotation data, construction of functional matrices, and application of multivariate statistical analyses. Approximately 100 bacterial genomes were analyzed using dimensionality reduction and ordination methods applied to enzymatic profiles. The results demonstrated a high concordance between functional profiles and current taxonomic nomenclature and confirmed substantial functional overlap between phylogenetically related genera, particularly Escherichia and Shigella. The thesis also included a case study focused on the classification of three previously uncharacterized bacterial isolates obtained from Antarctic seal mummies, revealing potential novel evolutionary lineages. The presented work demonstrates the potential of functional genomics as a complementary tool for modern bacterial taxonomy and comparative genomics.
Bacterial taxonomy, functional annotation, enzymatic repertoires, comparative genomics, dimensionality reduction, ordination analysis.
Date of defence
15.06.2026
Date of publish
14.06.2028
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Process of defence
Studentka prezentovala výsledky své práce a komise byla seznámena s posudky. Doc. Lengerová se zeptala zda se nenašel žádný příbuzný rod? Jak to probíhalo? Co bylo referencí? Ing. Vítková se doptala na překryv 2 vzorků a zda se nejedná o identické bakterie. Studentka obhájila diplomovou práci a odpověděla na otázky členů komise a oponenta.
Language of thesis
English
Faculty
Fakulta elektrotechniky a komunikačních technologií
Department
Department of Biomedical Engineering
Study programme
Biomedical Engineering and Bioinformatics (MPC-BTB)
Composition of Committee
doc. Mgr. Martina Lengerová, Ph.D. (předseda) doc. Mgr. Ing. Karel Sedlář, Ph.D. (místopředseda) Ing. Helena Vítková, Ph.D. (člen) Ing. Jiří Chmelík, Ph.D. (člen) Ing. Lukáš Smital, Ph.D. (člen)
Supervisor’s reportdoc. Mgr. Ing. Karel Sedlář, Ph.D.
Grade proposed by supervisor: A
Reviewer’s reportIng. Kateřina Šabatová
Grade proposed by reviewer: B
Reasons for publication postponement
Publication of the final thesis has been postponed in compliance with the provisions of Section 47b (4) of Act No. 111/1998 Coll., on the Higher Education Institutions and on amendments and supplements to other acts, as amended.
The thesis contains the results that will be the subject of the publication.
Responsibility: Mgr. et Mgr. Hana Odstrčilová