Spatial arrangement of several flagellins within bacterial flagella improves motility in different environments

MJ Kühn, FK Schmidt, NE Farthing… - Nature …, 2018 - nature.com
Bacterial flagella are helical proteinaceous fibers, composed of the protein flagellin, that
confer motility to many bacterial species. The genomes of about half of all flagellated …

Reconstruction of the three-dimensional beat pattern underlying swimming behaviors of sperm

A Gong, S Rode, G Gompper, UB Kaupp… - The European Physical …, 2021 - Springer
The eukaryotic flagellum propels sperm cells and simultaneously detects physical and
chemical cues that modulate the waveform of the flagellar beat. Most previous studies have …

Haloarchaea swim slowly for optimal chemotactic efficiency in low nutrient environments

KL Thornton, JK Butler, SJ Davis, BK Baxter… - Nature …, 2020 - nature.com
Archaea have evolved to survive in some of the most extreme environments on earth. Life in
extreme, nutrient-poor conditions gives the opportunity to probe fundamental energy …

Digital in-line holographic microscopy for label-free identification and tracking of biological cells

J Kim, SJ Lee - Military Medical Research, 2024 - Springer
Digital in-line holographic microscopy (DIHM) is a non-invasive, real-time, label-free
technique that captures three-dimensional (3D) positional, orientational, and morphological …

Multifocal imaging for precise, label-free tracking of fast biological processes in 3D

JN Hansen, A Gong, D Wachten, R Pascal… - Nature …, 2021 - nature.com
Many biological processes happen on a nano-to millimeter scale and within milliseconds.
Established methods such as confocal microscopy are suitable for precise 3D recordings but …

Object plane detection and phase retrieval from single-shot holograms using multi-wavelength in-line holography

H Zhang, T Stangner, K Wiklund, M Andersson - Applied Optics, 2018 - opg.optica.org
Phase retrieval and the twin-image problem in digital in-line holographic microscopy can be
resolved by iterative reconstruction routines. However, recovering the phase properties of an …

2D vs 3D tracking in bacterial motility analysis

J Acres, J Nadeau - AIMS Biophysics, 2021 - pdxscholar.library.pdx.edu
Digital holographic microscopy provides the ability to observe throughout a large volume
without refocusing. This capability enables simultaneous observations of large numbers of …

Helical and oscillatory microswimmer motility statistics from differential dynamic microscopy

OA Croze, VA Martinez, T Jakuszeit… - New Journal of …, 2019 - iopscience.iop.org
The experimental characterisation of the swimming statistics of populations of micro-
organisms or artificially propelled particles is essential for understanding the physics of …

Improving axial localization of weak phase particles in digital in-line holography

M Shangraw, H Ling - Applied Optics, 2021 - opg.optica.org
One shortcoming of digital in-line holography (DIH) is the low axial position accuracy due to
the elongated particle traces in the reconstruction field. Here, we propose a method that …

Motion history images: a new method for tracking microswimmers in 3D

M Riekeles, H Albalkhi, MM Dubay, J Nadeau… - Frontiers in …, 2024 - frontiersin.org
Quantitative tracking of rapidly moving micron-scale objects remains an elusive challenge in
microscopy due to low signal-to-noise. This paper describes a novel method for tracking …