Homogenizing bacterial cell factories: analysis and engineering of phenotypic heterogeneity

D Binder, T Drepper, KE Jaeger, F Delvigne… - Metabolic …, 2017 - Elsevier
In natural habitats, microbes form multispecies communities that commonly face rapidly
changing and highly competitive environments. Thus, phenotypic heterogeneity has evolved …

Taking control over microbial populations: current approaches for exploiting biological noise in bioprocesses

F Delvigne, J Baert, H Sassi, P Fickers… - Biotechnology …, 2017 - Wiley Online Library
Phenotypic plasticity of microbial cells has attracted much attention and several research
efforts have been dedicated to the description of methods aiming at characterizing …

Spatiotemporal microbial single‐cell analysis using a high‐throughput microfluidics cultivation platform

A Grünberger, C Probst, S Helfrich, A Nanda… - Cytometry Part …, 2015 - Wiley Online Library
Cell‐to‐cell heterogeneity typically evolves due to a manifold of biological and
environmental factors and special phenotypes are often relevant for the fate of the whole …

Time-resolved, single-cell analysis of induced and programmed cell death via non-invasive propidium iodide and counterstain perfusion

CEM Krämer, W Wiechert, D Kohlheyer - Scientific reports, 2016 - nature.com
Conventional propidium iodide (PI) staining requires the execution of multiple steps prior to
analysis, potentially affecting assay results as well as cell vitality. In this study, this multistep …

Image-based single cell profiling: High-throughput processing of mother machine experiments

CC Sachs, A Grünberger, S Helfrich, C Probst… - PloS one, 2016 - journals.plos.org
Background Microfluidic lab-on-chip technology combined with live-cell imaging has
enabled the observation of single cells in their spatio-temporal context. The mother machine …

Inheritance of cell-cycle duration in the presence of periodic forcing

N Mosheiff, BMC Martins, S Pearl-Mizrahi… - Physical Review X, 2018 - APS
Periodic forcing of nonlinear oscillators leads to a large number of dynamic behaviors. The
coupling of the cell cycle to the circadian clock provides a biological realization of such …

Modeling and CFD simulation of nutrient distribution in picoliter bioreactors for bacterial growth studies on single-cell level

C Westerwalbesloh, A Grünberger, B Stute, S Weber… - Lab on a Chip, 2015 - pubs.rsc.org
A microfluidic device for microbial single-cell cultivation of bacteria was modeled and
simulated using COMSOL Multiphysics. The liquid velocity field and the mass transfer within …

Application of mini-and micro-bioreactors for microbial bioprocesses

T Ladner, A Grünberger, C Probst, D Kohlheyer… - Current developments in …, 2017 - Elsevier
The development of mini-and micro-cultivation devices allows the optimization of
bioprocesses to be speeded up, as well as a better understanding of microbial physiology …

Non-invasive microbial metabolic activity sensing at single cell level by perfusion of calcein acetoxymethyl ester

CEM Krämer, A Singh, S Helfrich, A Grünberger… - PLoS …, 2015 - journals.plos.org
Phase contrast microscopy cannot give sufficient information on bacterial metabolic activity,
or if a cell is dead, it has the fate to die or it is in a viable but non-growing state. Thus, a …

Coarse‐graining bacteria colonies for modelling critical solute distributions in picolitre bioreactors for bacterial studies on single‐cell level

C Westerwalbesloh, A Grünberger… - Microbial …, 2017 - Wiley Online Library
Microfluidic single‐cell bioreactors have found widespread application to investigate growth
and gene expression of microbial model organisms, but yet there are few attempts to …