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TranscriptomicsComparison of Expression Profiles for Agrobacterium tumefaciens ExoR mutant to Wild Type
Agrobacterium tumefaciens is a facultative plant pathogen and the causative agent of crown gall disease. The initial stage of infection involves attachment to plant tissues and, subsequently, biofilms may form at these sites. This study focuses on the periplasmic ExoR regulator, which was identified...
ORGANISM(S): Agrobacterium tumefaciens 
2014-07-26 | E-GEOD-59788 | biostudies-arrayexpress
TranscriptomicsComparison of Expression Profiles for Agrobacterium tumefaciens exoRexoA double mutant to exoA mutant
Agrobacterium tumefaciens is a facultative plant pathogen and the causative agent of crown gall disease. The initial stage of infection involves attachment to plant tissues and, subsequently, biofilms may form at these sites. This study focuses on the periplasmic ExoR regulator, which was identified...
ORGANISM(S): Agrobacterium tumefaciens 
2014-07-26 | E-GEOD-59789 | biostudies-arrayexpress
TranscriptomicsComparison of Expression Profiles for Agrobacterium tumefaciens visR mutant to wild-type strain.
Many bacteria colonize surfaces and transition to a sessile mode of growth. The plant pathogen Agrobacterium tumefaciens produces a unipolar polysaccharide (UPP) adhesin at single cell poles that contact surfaces. Here we report that elevated levels of the intracellular signal cyclic diguanosine mon...
ORGANISM(S): Agrobacterium tumefaciens 
2014-08-21 | E-GEOD-60565 | biostudies-arrayexpress
TranscriptomicsTranscription profiling by array of Arabidopsis after infection with different strains of Agrobacterium tumefaciens
This study focuses on responses of the host plant to infection with Agrobacterium tumefaciens. Genome wide changes in gene expression were integrated with the alterations in metabolite levels three hours after inoculation of agrobacteria. Plants were infected with the virulent strain C58, harboring ...
ORGANISM(S): Arabidopsis thaliana 
2009-12-02 | E-GEOD-13929 | biostudies-arrayexpress
TranscriptomicsTranscriptomic characterization of a virulence-deficient phosphatidylcholine-negative Agrobacterium tumefaciens mutant
To learn more about the global effects of phosphatidylcholine (PC)-deficiency in A. tumefaciens, we performed transcriptomic studies comparing the wild type and a PC-deficient DpmtA Dpcs mutant. We expanded the number of affected virulence genes and showed that the loss of PC was correlated with alt...
ORGANISM(S): Agrobacterium tumefaciens str. C58 
2010-04-07 | E-GEOD-21223 | biostudies-arrayexpress
TranscriptomicsIdentification of Hfq bound RNA by co-immunoprecipitation and RNA-sequencing
Co-immunoprecipitation with endogenous Hfq3xFlag in exponential, stationary, non-induced and virulence induced conditions, followed by RNA-sequencing, revealed 1697 mRNAs and 208 ncRNAs associated with Hfq. We identified 56 new ncRNAs and validated 3 Hfq-dependent trans sRNAs on by Northern blot ana...
ORGANISM(S): Agrobacterium tumefaciens 
2014-12-04 | E-GEOD-59123 | biostudies-arrayexpress
TranscriptomicsAgrobacterium tumefaciens ExoR controls acid response genes and impacts exopolysaccharide synthesis, horizontal gene transfer and virulence gene expression.
This SuperSeries is composed of the SubSeries listed below. Refer to individual Series
ORGANISM(S): Agrobacterium tumefaciens 
2014-07-26 | E-GEOD-59790 | biostudies-arrayexpress
TranscriptomicsComparative genomic hybridization of Agrobacterium tumefaciens strains on tiling arrays covering the genome of strain C58
Comparative genomic hybridizations obtained with an original Agrobacterium tumefaciens strain C58 genome-based micro-array were used to detect the presence or absence of genes homologous to those of strain C58 in 25 agrobacterial strains. These strains included six other members of genomovar G8, on...
ORGANISM(S): Agrobacterium larrymoorei 
2011-09-08 | E-MTAB-558 | biostudies-arrayexpress
TranscriptomicsGene expression profiling of rice embryogenic calli after Agrobacterium infection
Agrobacterium tumefaciens-mediated genetic transformation has been routinely used in rice for more than a decade. However, the transformation efficiency of the indica rice variety is still unsatisfactory and much lower than that of japonica cultivars. Further improvement on the transformation effici...
ORGANISM(S): Oryza sativa Japonica Group 
2012-01-01 | E-GEOD-32426 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of Arabidopsis Agrobacterium tumefaciens-induced tumour development
Agrobacterium tumefaciens, a bacterial species found in temperate soils world wide, is the causative agent of crown gall disease on many plants. A. tumefaciens-induced tumours are feared in orchards and vineyards because of their pathological interference with nutrient and water supply which results...
ORGANISM(S): Arabidopsis thaliana 
2008-06-14 | E-GEOD-5725 | biostudies-arrayexpress
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