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A chitinase is required for Xylella fastidiosa colonization of its insect and plant hosts
Xylella fastidiosa colonizes the xylem network of host plant species as well as the foregut of its required insect vectors to ensure efficient propagation. Disease management strategies remain inef...
Biotechnological and Agronomic Potential of Endophytic Pink-Pigmented Methylotrophic Methylobacterium spp.
The genus Methylobacterium is composed of pink-pigmented facultative methylotrophic (PPFM) bacteria, which are able to synthesize carotenoids and grow on reduced organic compounds containing one ca...
Cell-cell signaling controls Xylella fastidiosa interactions with both insects and plants
Xylella fastidiosa, which causes Pierce's disease of grapevine and other important plant diseases, is a xylem-limited bacterium that depends on insect vectors for transmission. Although many studie...
Identification of new protein-protein interactions involving the products of the chromosome- and plasmid-encoded type IV secretion loci of the phytopathogen Xanthomonas axonopodis pv. citri
The recently sequenced genome of the bacterial plant pathogen Xanthomonas axonopodis pv. citri contains two virB gene clusters, one on the chromosome and one on a 64-kb plasmid, each of which codes...
Lipopolysaccharide O-antigen delays plant innate immune recognition of Xylella fastidiosa
Lipopolysaccharides (LPS) are among the known pathogen-associated molecular patterns (PAMPs). LPSs are potent elicitors of PAMP-triggered immunity (PTI), and bacteria have evolved intricate mechani...
Microbial interactions: ecology in a molecular perspective
The microorganism-microorganism or microorganism-host interactions are the key strategy to colonize and establish in a variety of different environments. These interactions involve all ecological a...
New protein-protein interactions identified for the regulatory and structural components and substrates of the type III secretion system of the phytopathogen Xanthomonas axonopodis pathovar citri
We have initiated a project to identify protein-protein interactions involved in the pathogenicity of the bacterial plant pathogen Xanthomonas axonopodis pv. citri. Using a yeast two-hybrid system ...
O antigen acts as a shield to delay early plant immune recognition of the pathogenic bacterium, Xylella fastidiosa
PAMP-triggered immunity (PTI) is the first line of plant defense against invading organisms. Initiated through the perception of conserved pathogen-associated molecular patterns (PAMPs), such as li...
PAMPs, PRRs, effectors and R-genes associated with citrus-pathogen interactions
Recent application of molecular-based technologies has considerably advanced our understanding of complex processes in plant-pathogen interactions and their key components such as PAMPs, PRRs, effe...
Pierce's disease symptoms: Comparison with symptoms of water deficit and the impact of water deficits
The pathology of diseases such as Pierce's disease (PD) of grapevine (Vitis vinifera L.) that are caused by the xylem-limited bacterium Xylella fastidiosa (Xf) is widely attributed to vessel occlus...
Plant-bacterium interactions analyzed by proteomics
The evolution of the plant immune response has resulted in a highly effective defense system that is able to resist potential attack by microbial pathogens. The primary immune response is referred ...
Sequence/structural analysis of xylem proteome emphasizes pathogenesis related proteins, chitinases and beta-1, 3-glucanases as key players in grapevine defense against Xylella fastidiosa
Xylella fastidiosa, the causative agent of various plant diseases including Pierce's disease in the US, and Citrus Variegated Chlorosis in Brazil, remains a continual source of concern and economic...
