Author:
Yi Xiyu,Miao Haichao,Lo Jacky Kai-Yin,Elsheikh Maher M.,Lee Tek Hyung,Jiang Chenfanfu,Zhang Yuliang,Segelke Brent W.,Overton K. Wesley,Bremer Peer-Timo,Laurence Ted A.
Abstract
AbstractLegionella is a genus of ubiquitous environmental pathogens found in freshwater systems, moist soil, and composted materials. More than four decades of Legionella research has provided important insights into Legionella pathogenesis [1]. Although standard commercial microscopes have led to significant advances in understanding Legionella pathogenesis [2,3], great potential exists in the deployment of more advanced imaging techniques to provide additional insights. The Lattice Light Sheet Microscope (LLSM) is a recently developed microscope for 4D live cell imaging with high resolution and minimum photo-damage [4]. We built a LLSM with an improved version for the optical layout with two path-stretching mirror sets and a novel Reconfigurable Galvanometer Scanner (RGS) module to improve the reproducibility and reliability of the alignment and maintenance of the LLSM. We commissioned this LLSM to study Legionella pneumophila infection with a tailored workflow designed over instrumentation, experiments, and data processing methods. Our results indicate that Legionella pneumophila infection is correlated with a series of morphological signatures such as smoothness, migration pattern and polarity both statistically and dynamically. Our work demonstrates the benefits of using LLSM for studying long-term questions in bacterial infection. Our free-for-use modifications and workflow designs on the use of LLSM system contributes to the adoption and promotion of the state-of-the-art LLSM technology for both academic and commercial applications.
Publisher
Cold Spring Harbor Laboratory
Cited by
1 articles.
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