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Subcellular Localization of Pseudomonas syringae pv. tomato Effector Proteins in Plants

Journal Article · · Methods in Molecular Biology (Online)
 [1];  [2];  [2];  [3]
  1. Michigan State Univ., East Lansing, MI (United States). MSU-DOE Plant Research Laboratory and Howard Hughes Medical Inst.; MSU DOE Plant Research Laboratory
  2. Michigan State Univ., East Lansing, MI (United States). MSU-DOE Plant Research Laboratory
  3. 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

References (22)

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A J Domain Virulence Effector of Pseudomonas syringae Remodels Host Chloroplasts and Suppresses Defenses journal March 2007
A type III effector ADP-ribosylates RNA-binding proteins and quells plant immunity journal April 2007
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Effector-triggered immunity blocks pathogen degradation of an immunity-associated vesicle traffic regulator in Arabidopsis journal June 2011
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In-Depth Proteome Analysis of Arabidopsis Leaf Peroxisomes Combined with in Vivo Subcellular Targeting Verification Indicates Novel Metabolic and Regulatory Functions of Peroxisomes journal March 2009
Phosphorylation of HopQ1, a Type III Effector from Pseudomonas syringae , Creates a Binding Site for Host 14-3-3 Proteins journal February 2013
Pseudomonas syringae Effector Avirulence Protein E Localizes to the Host Plasma Membrane and Down-Regulates the Expression of the NONRACE-SPECIFIC DISEASE RESISTANCE1/HARPIN-INDUCED1-LIKE13 Gene Required for Antibacterial Immunity in Arabidopsis journal July 2015
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The Pseudomonas syringae type III effector HopG1 targets mitochondria, alters plant development and suppresses plant innate immunity journal March 2010
A bacterial cysteine protease effector protein interferes with photosynthesis to suppress plant innate immune responses: P. syringae HopN1 targets photosynthesis journal February 2012
The Pseudomonas syringae type III effector HopD1 suppresses effector-triggered immunity, localizes to the endoplasmic reticulum, and targets the Arabidopsis transcription factor NTL9 journal December 2013
Distinct Pseudomonas type-III effectors use a cleavable transit peptide to target chloroplasts journal December 2013
Development of series of gateway binary vectors, pGWBs, for realizing efficient construction of fusion genes for plant transformation journal July 2007
Avoiding the Ends: Internal Epitope Tagging of Proteins Using Transposon Tn7 journal March 2015

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