Acidovorax avenae
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA340882 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR4096820.fastq.gz | Fastqsanger.gz | |||
| SRR4096850_subreads.fastq.gz | Fastqsanger.gz | |||
| SRR4096821_1.fastq.gz | Fastqsanger.gz | |||
| SRR4096821_2.fastq.gz | Fastqsanger.gz | |||
| SRR4096851_1.fastq.gz | Fastqsanger.gz |
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Project description:This study investigated the transcriptomic response of rice pathogen Acidovorax avenae subsp. avenae (Aaa) strain RS-1 to ß-lactam antibiotics in particular Ampicillin (Amp) and the result highlights the importance of Amp-induced differentially expressed genes in the virulence of Aaa strain RS-1.
2017-02-10 | GSE68734 | GEO
Project description:Determining how a bacterial pathogen responds to its host and other bacterial species by altering gene expression is key to understand its pathogenesis and environmental adaption. Here, we used RNA-Seq to comprehensively and quantitatively assess the transcriptional response of the rice bacterial pathogen Acidovorax avenae subsp. avenae strain RS-1 cultivated in vitro, in vivo and in co-culture with rice rhizobacterium Burkholderia seminalis R456. Results revealed a surprisingly large number of regulatory differences between these conditions indicating adaptation of A. avenae subsp. avenae to specific ecological conditions. In particular, a number of potential virulence factors such as type 3 secretion system proteins were specifically expressed under in vivo conditions, whereas genes whose protein products are involved in inter-bacterial interaction such as auxin efflux carrier, small mechanosensitive ion channel protein, and ureidoglycolate hydrolase were among those specifically up-regulated under co-culture conditions. In addition, global genomic analysis of strain RS-1 identified 406 putative non-coding (nc) RNA genes. Interestingly, 8 ncRNA genes that were uniquely expressed under in vivo may be linked to pathogenicity while 4 ncRNA genes that were uniquely expressed under coculture conditions may be involved in adaption to co-cultivation with B. seminalis. Expression data obtained by RNA-Seq were also confirmed for selected genes by quantitative real-time PCR and two-dimensional gel electrophoresis as well as knockout analysis.
2013-09-03 | GSE50522 | GEO
Project description:Genome sequencing of Acidovorax avenae subspecies Raw sequence reads
| PRJNA340872 | ENA
Project description:Determining how a bacterial pathogen responds to its host and other bacterial species by altering gene expression is key to understand its pathogenesis and environmental adaption. Here, we used RNA-Seq to comprehensively and quantitatively assess the transcriptional response of the rice bacterial pathogen Acidovorax avenae subsp. avenae strain RS-1 cultivated in vitro, in vivo and in co-culture with rice rhizobacterium Burkholderia seminalis R456. Results revealed a surprisingly large number of regulatory differences between these conditions indicating adaptation of A. avenae subsp. avenae to specific ecological conditions. In particular, a number of potential virulence factors such as type 3 secretion system proteins were specifically expressed under in vivo conditions, whereas genes whose protein products are involved in inter-bacterial interaction such as auxin efflux carrier, small mechanosensitive ion channel protein, and ureidoglycolate hydrolase were among those specifically up-regulated under co-culture conditions. In addition, global genomic analysis of strain RS-1 identified 406 putative non-coding (nc) RNA genes. Interestingly, 8 ncRNA genes that were uniquely expressed under in vivo may be linked to pathogenicity while 4 ncRNA genes that were uniquely expressed under coculture conditions may be involved in adaption to co-cultivation with B. seminalis. Expression data obtained by RNA-Seq were also confirmed for selected genes by quantitative real-time PCR and two-dimensional gel electrophoresis as well as knockout analysis. Aaa strain RS-1 and B. seminalis strain R456 was isolated from diseased rice plants (Li et al., 2011; Xie et al., 2011) and rice rhizosphere (Zhang et al., 2007; Li et al., 2011), respectively, in our previous studies, and were stored in 20-30% sterile glycerol at -80°C. The samples of Aaa strain RS-1 for in vitro and in vivo analysis were prepared as described before (Ibrahim et al., 2012). The co-culture analysis of Aaa strain RS-1 with B. seminalis strain R456 were conducted according to Ruiz et al. (2009) and Di Cagno et al. (2009). Briefly, Aaa strain RS-1 and B. seminalis strain R456 was inoculated and incubated in chambers of a double culture vessel apparatus separated by a 0.4-μm membrane filter (Millipore Isopore™). In order to avoid the possible contamination during in vivo and co-culture operation, all bacterial samples were further confirmed based on the sequence analysis of 16S-rRNA (Li et al., 2011). Then samples were processed for RNA harvesting, mRNA purification and cDNA synthesis.
2013-09-03 | E-GEOD-50522 | biostudies-arrayexpress
Project description:Acidovorax avenae strain T10_61 genome sequencing
| PRJNA293796 | ENA
Project description:Sugarcane is a very efficient crop to produce ethanol. In recent years, extensive efforts have been made in order to increase sugarcane yields. To reach this goal, molecular biology tools have been used comprehensively, identifying genes, pathways and genetic polymorphisms. However, some important molecular components, like microRNAs, have not been deeply investigated. MicroRNAs are an important class of endogenous small, noncoding RNAs that regulate gene expression at the post-transcription level and play fundamental roles in diverse aspects of animal and plant biology. Plant genomes harbor numerous miRNA genes that regulate many protein-coding genes to influence key processes ranging from development, metabolism, and responses to abiotic and biotic stresses. There is wide range of pests and diseases that affect sugarcane, yet the mechanisms that regulate pathogen interactions with sugarcane have not been thoroughly investigated. To gain knowledge on the physiological responses to pathogens mediated by microRNAs in sugarcane, we screened the transcriptoma of sugarcane plants infected with Acidovorax avenae subsp avenae, the causal agent of red stripe disease in sugarcane, and detected several microRNAs modulated in the presence of the pathogen. Furthermore, we validated with qPCR a number of microRNA expression patterns observed by bioinformatics analysis. In addition, we observed high expression levels of several star microRNAs, in numbers larger than the mature microRNAs in some cases. Interestingly, sof-miR408 was consistently down-regulated in the presence of several pathogens, but not in the presence beneficial microbes. This result indicates that the sugarcane senses pathogenic or beneficial microorganisms differentially and triggers specific epigenetic regulatory mechanisms accordingly Screenning of sRNA transcriptome of sugarcane plants infected with Acidovorax avenae subsp avenae after seven days
2012-11-30 | E-GEOD-42628 | biostudies-arrayexpress
Project description:RNA-Seq analyse the virulence mechanism of rice pathogen Acidovorax avenae subsp. avenae strain RS-1 following ß-lactam antibiotics exposure
| PRJNA283526 | ENA
Project description:Transcriptome analysis of rice pathogen Acidovorax avenae subsp. avenae cultivated in vitro, in vivo and in co-culture with the rice rhizobacterium Burkholderia seminalis
| PRJNA217854 | ENA