The ability of microbial active motion, morphology, and optical properties to serve as biosignatures was investigated by in situ video microscopy in a wide range of extreme field sites where […]
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![Workflow of the tracking methodology. The microscopic images have a resolution of 2560 × 1920 pixels, covering a field of view of 141 µm × 106 µm. This workflow allows for the accurate tracking of microbial paths that are overlapping, even in datasets with a low signal-to-noise ratio. This approach is based on the work of [59,62]. -- Life](https://i0.wp.com/astrobiology.com/wp-content/uploads/2025/01/Viability-and-Motility-of-Escherichia-.png?resize=1200%2C810&ssl=1)
