Project

Transcriptomic characterization of in vivo-like model of chronic infection

Publisher

Supervisor

Location

Greater Copenhagen area

The physiology of bacteria in chronic infections, such as cystic fibrosis and non-healing wounds is far from
being well-characterized.

Our understanding of bacterial behavior and functioning during human infections remains superficial since most in vitro experiments fail to mimic the complex host environment.

Therefore, it is important to determine what differentiates current model systems from clinical conditions in order to develop in vitro models to accurately simulate central aspects of the host environment and to better understand the biology of infections.

Recently, it has been shown that growing bacteria in alginate beads can mimic central aspects of in vivo
conditions, such as diffusion-limited bacterial growth forming dense bacterial aggregates.

These aggregates are similar in size and morphology to in vivo aggregates observed ex vivo in cystic fibrosis lungs and chronic wounds. Though this model appears to closely resemble what is observed in vivo, the resemblance to true chronic infection on a transcriptional level has yet to be characterized.
The master project will be focused on comparing the transcriptome of bacterial aggregates grown in the
alginate bead model under different conditions to that of bacteria in infected human tissue using RNAsequencing.

The goal is to identify bacterial genes characteristic of a chronic infection by the help of machine learning and develop the alginate bead model to recreate the transcriptomic environment of bacteria during infection.

The student should be familiar with basic laboratory techniques, such as pipetting and reagent preparation.

Some prior experience with programming and writing scripts (R, Python, and/or Unix) would also be
beneficial, but not a requirement.

Allowed no of students per report: 1-2

In collaboration with

University of Copenhagen, Prof. Thomas Bjarnsholt (tbjarnsholt@sund.ku.dk)

Requirements

Basic laboratory techniques (pipetting and reagent preparation). Some prior experience with programming and writing scripts (R, Python, and/or Unix) would be beneficial, but not a requirement.

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Contact

Company / Organization

DTU Sundhedsteknologi

Name

Jens E. Wilhjelm

Position

Gruppeleder, Professor

Mail

jwil@dtu.dk

Supervisor info

MSc in Biomedical Engineering

Supervisor

Jens E. Wilhjelm

Co-supervisors

Jens E. Wilhjelm

Type

MSc thesis

Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.


Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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