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Xylella fastidiosa

ABSTRACT: Xylella fastidiosa Genome sequencing and assembly

PROVIDER: PRJNA433735 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	PUIX01.dat.gz	Other
	PUIX01.fasta.gz	Fasta.gz
	PUIX01.master.dat	Other
	PUJA01.dat.gz	Other

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Heat Shock response of the phytopathogenic bacteria Xylella fastidiosa

Project description:This is the study of the Heat Shock response of phytopathogenic bacteria Xylella fastidiosa. This series keeps the 25 minutes 40oC stimulus response (Aug 2005). Keywords: stress response; heat shock response

2006-06-01 | GSE3044 | GEO

Expression analysis of Xylella fastidiosa PD Temecula strain grown in different media

Project description:Investigation of whole genome gene expression level changes in Xylella fastidiosa grown in minimal media XFM and XFM supplied with pectin or glucan (Host polysaccharides) , compared to cell grown in the complex media PWG. The cells grown in the minimal medium XFM supplied with host polysaccharides specially pectin are transmissible by the insect vector when delivered to the vector through artificial diet system. This does not happen with cells grown in the complex media. 4 (4 plex chips) study using total RNA recovered from 4 independents replicates for Xylella fastidiosa grown on PWG, XFM, XFM-glucan and XFM-pectin.

2009-10-03 | E-GEOD-18369 | biostudies-arrayexpress

Xylella fastidiosa

Project description:Xylella fastidiosa Genome sequencing

| PRJNA574207 | ENA

Comparative genomic hybridization of Xylella fastidiosa 9a5c (pathogenic, reference strain) and J1a12 (non-pathogenic)

Project description:Comparison of genomic DNA from two strains of Xylella fastidiosa: 9a5c (pathogenic, reference strain) and J1a12 (non-pathogenic).

2004-04-01 | E-MEXP-22 | biostudies-arrayexpress

Xylella fastidiosa

Project description:Xylella fastidiosa strain:PD3 Genome sequencing

| PRJNA252819 | ENA

Xylella fastidiosa

Project description:Xylella fastidiosa strain:PD4 Genome sequencing

| PRJNA252823 | ENA

The single ECF sigma factor of Xylella fastidiosa is involved in the heat shock response

Project description:Genome sequence analysis of the bacterium Xylella fastidiosa revealed the presence of two genes, named rpoE and rseA, predicted to encode an ECF sigma factor and an anti-sigma factor, respectively. In this work, an rpoE null mutant was constructed in the citrus strain J1a12 and shown to be sensitive to exposure to heat shock and ethanol. To identify the X. fastidiosa σE regulon, global gene expression profiles were obtained by DNA microarray analysis of bacterial cells under heat shock identifying 23 sigmaE-dependent genes. Keywords: stress response, heat shock, rpoE mutant strain

2006-11-17 | GSE4960 | GEO

Expression analysis of Xylella fastidiosa PD Temecula strain grown in different media

2009-10-03 | GSE18369 | GEO

Xylella fastidiosa subsp. fastidiosa strain:GV230

Project description:Xylella fastidiosa subsp. fastidiosa GV230 genome sequencing and assembly

| PRJNA656404 | ENA

Xylella fastidiosa 9a5c: gomesin-treated cells vs. control

Project description:In the xylem vessels of susceptible hosts, such as citrus trees or grapevines, Xylella fastidiosa forms biofilm like-colonies that can block water transport, which appears to correlate to disease symptoms. Besides helping host colonization, bacterial biofilms play an important role in resistance against antimicrobial agents, for instance antimicrobial peptides (AMP). Here we show that gomesin, a potent AMP from a Brazilian tarantula spider, modulates X. fastidiosa gene expression profile upon 60 min treatment with a sublethal concentration. Data from DNA microarray hybridizations revealed that among the up-regulated coding sequences (CDS), some are related to biofilm production. In addition, we show that the biofilm formed by gomesin-treated bacteria is thicker than that formed by non-treated cells or cells exposed to streptomycin. We have also observed that treatment of X. fastidiosa with sublethal concentration of gomesin before inoculation in tobacco plants correlates with reduction in CVC symptoms, an effect possibly due to trapping of bacterial cells to fewer xylem vessels given the enhancement in biofilm production. Together, our results suggest that X. fastidiosa can selectively sense a sublethal concentration of gomesin modulating its gene expression to produce a stronger biofilm that may protect itself against the toxic effects of this AMP.

2010-01-06 | GSE17605 | GEO

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