Xanthomonas citri subsp. citri 306
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA169422 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR516325.fastq.gz | Fastqsanger.gz | |||
| SRR516336.fastq.gz | Fastqsanger.gz | |||
| SRR516348.fastq.gz | Fastqsanger.gz | |||
| SRR516356.fastq.gz | Fastqsanger.gz | |||
| SRR516361.fastq.gz | Fastqsanger.gz |
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Project description:Transcription profiling of Citrus sinensis leaves following Xanthomonas citri subsp. citri wild type and LOV mutant treatment.<br><br>Samples taken 24 h after treatments were compared.
2013-12-10 | E-MEXP-3975 | biostudies-arrayexpress
Project description:Xanthomonas is one important model microbe to study the molecular determinants of virulence and host range of pathogens since Xanthomonas is capable of infecting numerous monocotyledonous and dicotyledonous plants. Among the plant diseases caused by Xanthomonas, X. citri subsp. citri (Xcc) causes citrus canker, which has significant impact on citrus production. Xcc is classified into different strains primarily by host range including A and Aw. The A (Asiatic) strain (XccA) has a wide host range and is most virulent, whereas Aw (Wellington) strain has restricted host range including Key or Mexican lime and alemow. We hypothesized that not only gene content but also gene expression contributes to the difference in virulence and host range of closely related strains. To test our hypothesis, comparative genomic and transcriptome analyses were conducted to study the two closely related Xcc A and Aw strains. The genome of X. citri subsp. citri strain Aw12879 (Xcaw) was completely sequenced using 454 Pyrosequencing, Illumina sequencing and Optical mapping. The finished genome (5.3 Mb chromosome and two plasmids pXcaw19 and pXcaw58) of Xcaw was annotated, curated and compared with XccA genome. Protein blast revealed multiple genes including type III secretion system (TIIISS) effectors xopAF and xopAG are present in Xcaw but absent in XccA. Comparative genomic analysis showed various changes in genes encoding LPS and type IV secretion system. Furthermore, RNA-Seq was used to compare expression profile of Xcaw and XccA in nutrient rich (NB) medium and XVM2 medium which is known to mimic the intercellular space of plant cells using Illumina sequencing. Multiple avirulence/effector genes were over-expressed in Xcaw compared to XccA which might contribute to the limited host range of Xcaw compared to XccA. The overexpression of genes involved in cell wall degradation, attachment, ROS (reactive oxygen species) scavenging, nutrient transportation in XccA might contribute to its expanding of host range. Our data suggest that both gene content and gene expression contribute to difference in virulence and host range of bacterial pathogens. This study lays the foundation to further characterize the mechanisms for virulence and host range of strains of X. citri subsp. citri and other bacterial pathogens.
2013-09-05 | GSE41519 | GEO
Project description:Xanthomonas citri pv. citri str. 306 Genome sequencing
| PRJNA177640 | ENA
Project description:Xanthomonas is one important model microbe to study the molecular determinants of virulence and host range of pathogens since Xanthomonas is capable of infecting numerous monocotyledonous and dicotyledonous plants. Among the plant diseases caused by Xanthomonas, X. citri subsp. citri (Xcc) causes citrus canker, which has significant impact on citrus production. Xcc is classified into different strains primarily by host range including A and Aw. The A (Asiatic) strain (XccA) has a wide host range and is most virulent, whereas Aw (Wellington) strain has restricted host range including Key or Mexican lime and alemow. We hypothesized that not only gene content but also gene expression contributes to the difference in virulence and host range of closely related strains. To test our hypothesis, comparative genomic and transcriptome analyses were conducted to study the two closely related Xcc A and Aw strains. The genome of X. citri subsp. citri strain Aw12879 (Xcaw) was completely sequenced using 454 Pyrosequencing, Illumina sequencing and Optical mapping. The finished genome (5.3 Mb chromosome and two plasmids pXcaw19 and pXcaw58) of Xcaw was annotated, curated and compared with XccA genome. Protein blast revealed multiple genes including type III secretion system (TIIISS) effectors xopAF and xopAG are present in Xcaw but absent in XccA. Comparative genomic analysis showed various changes in genes encoding LPS and type IV secretion system. Furthermore, RNA-Seq was used to compare expression profile of Xcaw and XccA in nutrient rich (NB) medium and XVM2 medium which is known to mimic the intercellular space of plant cells using Illumina sequencing. Multiple avirulence/effector genes were over-expressed in Xcaw compared to XccA which might contribute to the limited host range of Xcaw compared to XccA. The overexpression of genes involved in cell wall degradation, attachment, ROS (reactive oxygen species) scavenging, nutrient transportation in XccA might contribute to its expanding of host range. Our data suggest that both gene content and gene expression contribute to difference in virulence and host range of bacterial pathogens. This study lays the foundation to further characterize the mechanisms for virulence and host range of strains of X. citri subsp. citri and other bacterial pathogens. mRNA expression profiles of Xcc strain A and Aw were generated in 2 media: NB and XVM2 by deep sequencing, in triplicate, using Illumina GAII.
2013-09-05 | E-GEOD-41519 | biostudies-arrayexpress
Project description:Transcriptional Profiling of non-inoculated Citrus limon leaves vs. 48h inoculation with Xanthomonas citri T2
2016-12-18 | GSE78012 | GEO
Project description:Transcriptional Profiling of non-inoculated Citrus limon leaves vs. 48h inoculation with Xanthomonas citri AT
2016-12-18 | GSE78010 | GEO
Project description:In this project, we have extracted the flagellum of the citrus canker pathogens Xanthomonas citri and Xanthomonas aurantifolii pathotype C and the proteins associated with these preparations were resolved by SDS-PAGE and identified by mass spectrometry. The major 50 kDa band, observed in both samples, correspond to the flagellin C (FliC) proteins. All the peptides identified by mass spectrometry shown here showed perfect matches to the X. citri and X. aurantifolii FliC proteins deposited in the GenBank (NCBI reference sequences WP_003482972 and WP_007962409, respectively).
2023-05-10 | PXD037760 | Pride
Project description:Xanthomonas citri subsp. citri A306 Genome sequencing
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Project description:Xanthomonas citri subsp. citri GD1 Genome sequencing
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Project description:Convergent microbial biocatalysis has emerged as a promising approach for the conversion of lignin side-streams into value-added chemicals in recent decades. However, the current knowledge of metabolic pathways directing the bioconversion of lignin-related aromatics is still limited to a few microbial species and unavailable for some of these compounds. Thus, the aim of this study was to identify the genes involved in the bioconversion of aromatic compounds in Xanthomonas citri subsp. citri 306 (X. citri 306), a bacterium belonging to a compelling yet untapped genus for studies on lignin-related aromatics metabolism. For this purpose, we used an integrative approach including genome data mining, RNA-seq, enzymology and gene knockout studies. The RNA-seq analysis revealed a total of 278 to 1464 differentially expressed genes (DEGs) in the aromatic-containing conditions compared to the control XVM2m-glucose, evidencing the importance of these compounds in modulating various physiological processes of X. citri 306 beyond the pathways related to their metabolism. Moreover, this work revealed the operon molRKAB, which plays a role in the first catabolic steps of the three main monolignols (p-coumaryl, coniferyl and sinapyl alcohols), besides showing all the enzymatic steps funneling them up to the tricarboxylic acid cycle. Additionally, the study uncovered aryl aldehyde reductases and efflux strategies that likely function to protect the pathogen from aromatics toxicity. Together, these findings enhance the current understanding of Xanthomonas metabolism and transcriptional responses to lignin-related aromatic compounds, shedding light on the diverse metabolic pathways available to enable the engineering of microbial chassis dedicated to lignin valorization.
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