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Comparison of gene expression in rice leaves inoculated with a virulent strain of Xanthomonas oryzae and its mutant deficient in typeIII secretion system.

ABSTRACT: Gene expression profiles in rice leaves near the inoculated site of Xanthomonas oryzae and its typeIII secretion mutant were examined.

ORGANISM(S): Oryza sativa

PROVIDER: GSE63047 | GEO | 2015/04/01

SECONDARY ACCESSION(S): PRJNA266529

REPOSITORIES: GEO

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Comparison of gene expression in rice leaves inoculated with a virulent strain of Xanthomonas oryzae and its mutant deficient in typeIII secretion system.

Project description:Gene expression profiles in rice leaves near the inoculated site of Xanthomonas oryzae and its typeIII secretion mutant were examined. Rice plants (cv Nippnbare, 42 days old) were clip-inoculated with a virulent strain of Xanthomonas oryzae and its △hrcV mutant. At each time points, leaf segments were excised below the clipped site (3 to 5 mm in length) and gene expression profiles were analyzed by microarray.

2015-04-01 | E-GEOD-63047 | biostudies-arrayexpress

Transcriptome profile of rice genotypes ZH11 and Oseds1 by inoculation with Xanthomonas oryzae pv. oryzae

Project description:OsEDS1 is a key regulator of SA-mediated immunity in plants. The OsEDS1 knockout mutant (Oseds1) was characterized and shown to have increased susceptibility to Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas oryzae pv. oryzicola (Xoc), suggesting the positive role of OsEDS1 in regulating rice disease resistance. To identify differentially regulated downstream of Oseds1, we performed transcriptome deep sequencing (RNA-seq) of wild type (ZH11) and Oseds1 inoculated with Xanthomonas oryzae pv. Oryzae (PXO99A).

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Transcriptome Profiling of Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola

Project description:This SuperSeries is composed of the following subset Series: GSE9640: Transcriptome Profiling of Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola on two different medias GSE9643: Transcriptome Profiling of Xanthomonas oryzae pv. oryzae knockout mutants at different hybridization conditions and PMTs Keywords: SuperSeries Refer to individual Series

2010-05-26 | E-GEOD-9658 | biostudies-arrayexpress

Transcriptomic modulations triggered by Xanthomonas oryzae pv oryzae inoculation in rice

Project description:The transcriptomic modulations leading to defense response in rice one hour after inoculation by Xanthomonas oryzae pv oryzae. Xoo and mock inoculated plant of cultivars IET8585 (bacterial leaf blight resistant) and IR-24 (bacterial leaf blight susceptible) were compared.

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Host transcriptional reprogramming in response to the rice bacterial blight pathogen Xanthomonas oryzae pv. oryzae strain BLS354

Project description:We performed RNA-Seq of leaves of Oryza sativa L. ssp. japonica cv. Nipponbare 48 hours after inoculation with Xanthomonas oryzae pv. oryzicola strain BLS354, the causal agent of bacterial leaf streak. Results provide insight into the molecular basis of bacterial leaf streak, particularly the role of transcription activator-like effectors in the disease. Examination of mRNA levels in Oryza sativa L. ssp. japonica cv. Nipponbare leaves at 48 hours after inoculation with Xanthomonas oryzae pv. oryzicola strain BLS354 with three biological replicates compared to three replicates of mock inoculated O. sativa as the control.

2016-07-07 | E-GEOD-75131 | biostudies-arrayexpress

Xanthomonas oryzae pv. oryzae (Indian Isolate): Wild type vs. rpfF mutant

Project description:Transcription profiling of the DSF regulon in Xanthomonas oryzae pv. oryzae (Xoo) using wild type and the rpfF mutant. Cell-cell signaling mediated by the quorum sensing molecule known as Diffusible Signaling factor (DSF) is required for virulence of Xanthomonas group of plant pathogens. DSF in different Xanthomonas and the closely related plant pathogen Xylella fastidiosa regulates diverse traits in a strain specific manner. The transcriptional profiling performed in this study is to elucidate the traits regulated by DSF from the Indian isolate of Xanthomonas oryzae pv. oryzae, which exhibits traits very different from other Xanthomonas group of plant pathogen. In this study, transcription analysis was done between a wild type Xanthomonas oryzae pv. oryzae strain and an isogenic strain that has a mutation in the DSF biosynthetic gene rpfF.

2011-04-02 | GSE27809 | GEO

Rice roots: Non-colonized (sterile) control vs. infected with Xanthomonas oryzae pv. oryzae strain PXO99 (Xan)

Project description:Transcriptional profiling of Oryza sativa japonica Nipponbare roots after 14 days post infection with Xanthomonas oryzae pv. oryzae strain PXO99 , the goal is to understand the transcriptomic response of rice roots to colonization by bacterial pathogen

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Xanthomonas oryzae pv. oryzae (Indian Isolate): Wild type vs. rpfF mutant

2011-04-02 | E-GEOD-27809 | biostudies-arrayexpress

Rice (Nipponbare) transcriptome upon inoculation with Malian Xanthomonas oryzae pv. oryzae strain MAI1

Project description:African Xanthomonas oryzae pv. oryzae strains seem most closely related to and share several genetic features with pathovar oryzicola despite causing symptoms of bacterial leaf blight. The ability of most Xanthomonas plant pathogenic bacteria to infect their host relies on the action of a specific family of type III effectors called the TAL effectors. These microbial transcription factors are injected into the plant and manipulate the host transcriptome upon binding to the promoters of plant genes. The genes whose induction is of benefit to the pathogen are called susceptibility genes. RNA profiling experiments in rice using the Malian Xoo strain MAI1 and in silico prediction of TAL effector binding sites were carried out to identify candidate targets of TalB, revealing OsTFX1, a bZIP transcription factor previously identified as a bacterial blight S gene, and OsERF#123, which encodes a subgroup IXc AP2/ERF transcription factor.

2018-03-31 | GSE108504 | GEO

Transcriptome Profiling of Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola on two different medias

Project description:Xanthomonas oryzae pv. oryzae (Xoo) and X. oryzae pv. oryzicola (Xoc) are important bacterial pathogens of the worldwide staple and grass model, rice. Xoo invades rice vascular tissue to cause bacterial leaf blight, a serious disease of rice throughout the world. Xoc colonizes the parenchyma tissue to cause bacterial leaf steak, a disease of emerging importance. We have designed oligonucleotide probes (50-70-mers) represented 2,858 Xoo genes and 1,816 Xoc genes annotated by The Institute for Genomic Research (TIGR). To validate the Xo arrays, self-hybridization samples and tests of the non-specific hybridization using randomly spotted oligonucleotides corresponding to the hygromycin phosphotransferase gene (hph), and blank spot and of the correlation coefficient between biological replicates as well as between duplicate spots revealed that the data generated from our oligo array were highly reliable and consistent. To demonstrate application of Xo array, we performed expression profiling experiments on arrays hybridized with RNA of Xoo and Xoc grown in the two different nutrient-condition media. Several sets of genes involved in bacterial movement, chemotaxis, and hrp genes differentially express in response to different treatment. Due to comprehensive views of microarray study, extended biological events of plant-bacteria interaction was described. This publicly available microarray for Xanthomonas oryzae (Xo) is an enabling resource for a large and international community of scientists to better understand not only Xo biology but also many other Xanthomonas species that cause significant losses on crops. Keywords: Media condition response

2008-02-08 | GSE9640 | GEO

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