Subcellular Localization of Pseudomonas syringae pv. tomato Effector Proteins in Plants
Journal Article
·
· Methods in Molecular Biology (Online)
- Michigan State Univ., East Lansing, MI (United States). MSU-DOE Plant Research Laboratory and Howard Hughes Medical Inst.; MSU DOE Plant Research Laboratory
- Michigan State Univ., East Lansing, MI (United States). MSU-DOE Plant Research Laboratory
- Michigan State Univ., East Lansing, MI (United States). MSU-DOE Plant Research Laboratory and Howard Hughes Medical Inst.
Animal and plant pathogenic bacteria use type III secretion systems to translocate proteinaceous effectors to subvert innate immunity of their host organisms. Type III secretion/effector system is a crucial pathogenicity factor in many bacterial pathogens of plants and animals. Pseudomonas syringae pv. tomato (Pst) DC3000 injects a total of 36 protein effectors, which target a variety of host proteins. Studies of a subset of Pst DC3000 effectors demonstrated that bacterial effectors, once inside the host cell, are localized to different subcellular compartments, including plasma membrane, cytoplasm, mitochondria, chloroplast, and Trans-Golgi network, to carry out their virulence functions. Identifying the subcellular localization of bacterial effector proteins in host cells could provide substantial clues to understanding the molecular and cellular bases of the virulence activities of effector proteins. In this chapter, we present methods for transient or stable expression of bacterial effector proteins in tobacco and/or Arabidopsis thaliana for live cell imaging as well as confirming the subcellular localization in plants using fluorescent organelle markers or chemical treatment.
- Research Organization:
- Michigan State Univ., East Lansing, MI (United States). MSU-DOE Plant Research Laboratory
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- FG02-91ER20021
- OSTI ID:
- 1607990
- Journal Information:
- Methods in Molecular Biology (Online), Journal Name: Methods in Molecular Biology (Online) Vol. 1531; ISSN 1940-6029
- Publisher:
- SpringerCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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