期刊
JOURNAL OF MICROBIOLOGICAL METHODS
卷 130, 期 -, 页码 169-176出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mimet.2016.08.022
关键词
Fluorescence microscopy; Intracellular bacteria; Fluorescent dyes; Rickettsia; Neglected bacterial pathogens
资金
- Wellcome Trust
- Royal Society Dorothy Hodgkin Research Fellowship [DH140154]
- NIH [AI113172]
Our understanding of the molecular mechanisms of bacterial infection and pathogenesis are disproportionally derived from a small number of well-characterised species and strains. One reason for this is the enormous time and resources required to develop a new organism into experimental system that can be interrogated at the molecular level, in particular with regards to the development of genetic tools. Live cell imaging by fluorescence microscopy is a powerful technique to study biological processes such as bacterial motility, host cell invasion, and bacterial growth and division. In the absence of genetic tools that enable exogenous expression of fluorescent proteins, fluorescent chemical probes can be used to label and track living cells. A large number of fluorescent chemical probes are commercially available, but these have overwhelmingly been applied to the study of eukaryotic cell systems. Here, we present a methodical analysis of four different classes of probes, which can be used to delineate the cytoplasm, nucleic acids, cell membrane or peptidoglycan of living bacterial cells. We have tested these in the context of the important but neglected human pathogen Orientia tsutsugamushi but expect that the methodology would be broadly applicable to other bacterial species. (C) 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license.
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