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Journal ArticleDOI

Flagellin glycosylation is ubiquitous in a broad range of phytopathogenic bacteria

TLDR
The results suggest that flagellin glycosylation is ubiquitous in most phytopathogenic bacteria and that flagescence is required for virulence in Xcc.
Abstract
Glycosylation of flagellin is known to be involved in filament stabilization, motility, and virulence in Pseudomonas syringae. Here we investigated flagellin glycosylation in other phytopathogenic bacteria. Analyses of deduced amino acid sequences, glycostaining, and molecular masses of purified flagellins revealed that flagellins from all phytopathogenic bacteria investigated were glycosylated. Furthermore, the flagellin in a glycosylation-defective mutant of Xanthomonas campestris pv. campestris (Xcc) had a reduced molecular mass, and motility and virulence of the mutant toward host leaves decreased. These results suggest that flagellin glycosylation is ubiquitous in most phytopathogenic bacteria and that flagellin glycosylation is required for virulence in Xcc.

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Citations
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Journal ArticleDOI

Bacterial flagella: twist and stick, or dodge across the kingdoms.

TL;DR: A wider appreciation is provided of the functions of bacterial flagella in the context of both plant and animal reservoirs: variation in their recognition impacts the course and outcome of infections in hosts from both kingdoms.
Journal ArticleDOI

Perception of pathogenic or beneficial bacteria and their evasion of host immunity: pattern recognition receptors in the frontline

TL;DR: This review overviews the RLKs and RLPs that assure early recognition and control of pathogenic or beneficial bacteria, and highlights the crucial function of PRRs during plant-microbe interactions, with a special emphasis on the receptors of the bacterial flagellin and peptidoglycan.
Journal ArticleDOI

Current Understandings of Plant Nonhost Resistance

TL;DR: Overall, the current understanding of nonhost resistance mechanisms is not much deviated from the knowledge on host resistance, except for a few specific cases, and further insights on the roles of the pattern recognition receptor gene family, multiple interactions between effectors from nonadapted pathogen and plant factors, and plant secondary metabolites in host range determination are sought.
Journal ArticleDOI

Pathogenicity and virulence factors of Pseudomonas syringae

TL;DR: This work has attempted to characterize pathogenicity, the ability of a pathogen to cause disease, using the phytopathogenic bacterium Pseudomonas syringae as a representative pathogen.
Journal ArticleDOI

Analysis of carbohydrates and glycoconjugates by matrix‐assisted laser desorption/ionization mass spectrometry: An update for 2013–2014

TL;DR: This review is the eighth update of the original article published in 1999 on the application of Matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectromaetry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2014.
References
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Journal ArticleDOI

Two simple media for the demonstration of pyocyanin and fluorescin.

TL;DR: Two simple media for the enhancement of pigment production by certain organisms of the Pseudomonas genus are described and the results of comparative studies employing these media, certain synthetic broths, and some commonly used dehydrated preparations are reported.
Journal ArticleDOI

Small mobilizable multi-purpose cloning vectors derived from the Escherichia coli plasmids pK18 and pK19: selection of defined deletions in the chromosome of Corynebacterium glutamicum

TL;DR: Small mobilizable vectors based on the Escherichia coli plasmids pK18 and pK19 can be transferred by RP4-mediated conjugation into a wide range of Gram- and Gram+ bacteria, and should facilitate gene disruption and allelic exchange by homologous recombination.
Journal ArticleDOI

Preparation of Genomic DNA from Bacteria

TL;DR: This procedure is effective in producing digestible chromosomal DNA from a variety of gram-negative bacteria, all of which normally produce large amounts of polysaccharides.
Journal ArticleDOI

Comparison of the genomes of two Xanthomonas pathogens with differing host specificities

A.C.R. da Silva, +65 more
TL;DR: The genus Xanthomonas is a diverse and economically important group of bacterial phytopathogens, belonging to the γ-subdivision of the Proteobacteria, and several groups of strain-specific genes are identified and proposed mechanisms that may explain the differing host specificities and pathogenic processes are proposed.
Book ChapterDOI

Preparation of Genomic DNA from Bacteria

TL;DR: This chapter describes two procedures for the isolation of chromosomal DNA from E. coli that can be used for most gram-negative and gram-positive bacteria or modified to isolate DNA from organisms other than bacteria.
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