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ABSTRACT: EMG produced TPA metagenomics assembly of PRJNA420900 data set (Wheat rhizosphere microbiome for soils suppressive and non-suppressive to Rhizoctonia solani AG8).

PROVIDER: PRJEB72652 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6349881.fasta.gz	Fasta.gz
	SRR6349888.fasta.gz	Fasta.gz
	SRR6349889.fasta.gz	Fasta.gz
	SRR6349886.fasta.gz	Fasta.gz
	SRR6349887.fasta.gz	Fasta.gz

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Rhizoctonia solani AG8 infection of wheat seedling roots

Project description:Rhizoctonia solani is a nectrotrophic fungal pathogen that causes billions of dollars of damage to agriculture worldwide and infects a broad host range including wheat, rice, potato and legumes. In this study we identify wheat genes that are differentially expressed in response to the R. solani isolate, AG8-1, using microarray technology. A significant number of wheat genes identified in this screen were involved in ROS production and redox regulation. Levels of ROS species were increased in wheat root tissue following R. solani infection as determined by NBT, DAB and titanium sulphate measurements/stainings. Pathogen/ROS related genes from R. solani were also tested for expression patterns upon wheat infection. TmpL, a R. solani gene homologous to a gene associated with ROS regulation in Alternaria brassicicola, and OAH, a R. solani gene homologous to oxaloacetate acetylhydrolase which has been shown to produce oxalic acid in Sclerotinia sclerotiorum, were highly induced in R.solani when infecting wheat. We speculate that the wheat germin-like protein (GLP) is induced to inactivate the oxalic acid that is produced by the R. solani OAH.

2015-11-04 | GSE74671 | GEO

Rhizoctonia solani AG8 infection of wheat seedling roots

2015-11-04 | E-GEOD-74671 | biostudies-arrayexpress

Expression data in whole Arabidopsis seedlings after treatment with Rhizoctonia solani AG8 and AG2-1

Project description:Rhizoctonia solani is an economically important soil-borne necrotrophic fungal pathogen, with a broad host range and for which little effective resistance exists in crop plants. Arabidopsis is resistant to the R. solani AG8 isolate but susceptible to R. solani AG2-1. Affymetrix microarray analysis was performed to determine genes that are affected in common and specifically by AG8 and AG2-1.

2013-02-01 | GSE26206 | GEO

rhizosphere metagenome

Project description:Wheat rhizosphere microbiome for soils suppressive and non-suppressive to Rhizoctonia solani AG8

| PRJNA420900 | ENA

Expression data in whole Arabidopsis seedlings after treatment with Rhizoctonia solani AG8 and AG2-1

2013-02-01 | E-GEOD-26206 | biostudies-arrayexpress

Project description:Wheat root infection by Rhizoctonia solani AG8

| PRJNA371695 | ENA

RNA-seq of Medicago truncatula A17 and the ethylene insensitive sickle mutant interacting with the fungal root pathogen, Rhizoctonia solani AG8

Project description:This study compares the response of wild type (A17) and ethylene insensitive mutant (sickle) lines of the model legume Medicago truncatula to infection by the root-infecting necrotrophic fungal pathogen, Rhizoctonia solani AG8 (WAC10335). Two time points were taken, 2 and 7 days after inoculation along with corresponding mock-treated controls.

2017-06-06 | E-MTAB-5473 | biostudies-arrayexpress

Triticum aestivum

Project description:Rhizoctonia solani AG8 infection of wheat seedling roots

| PRJNA301131 | ENA

The pangenome analysis of the soil-borne fungal phytopathogen Rhizoctonia solani and development of a comprehensive web resource: RsolaniDB

Project description:Rhizoctonia solani Kühn is a soilborne basidiomycetous fungus that causes significant damage to many economically important crops. R. solani isolates are classified into 13 Anastomosis Groups (AGs) with interspecific subgroups having distinctive morphology, pathogenicity and wide host range. However, the genetic factors that drive the unique fungal pathology are still not well characterized due to the limited number of available annotated genomes. Therefore, we performed genome sequencing, assembly, annotation and functional analysis of 13 R. solani isolates covering 7 AGs and selected subgroups (AG1-IA, AG1-IB, AG1-IC, AG2-2IIIB, AG3-PT, AG3-TB, AG4-HG-I, AG5, AG6, and AG8). Here, we report a pangenome comparative analysis of 13 R. solani isolates covering important groups to elucidate unique and common attributes associated with each isolate, including molecular factors potentially involved in determining AG-specific host preference. Finally, we present the largest repertoire of annotated R. solani genomes, compiled as a comprehensive and user-friendly database, viz. RsolaniDB. Since 7 genomes are reported for the first time, the database stands as a valuable platform for formulating new hypotheses by hosting annotated genomes, with tools for functional enrichment, orthologs and sequence analysis, currently not available with other accessible state-of-the-art platforms hosting Rhizoctonia genome sequences.

2020-10-03 | E-MTAB-9588 | biostudies-arrayexpress

Ethylene signaling is important for isoflavonoid mediated resistance to Rhizoctonia solani in roots of Medicago truncatula

Project description:The root-infecting necrotrophic fungal pathogen Rhizoctonia solani causes significant disease to all the world’s major food crops. As a model for pathogenesis of legumes we have examined the interaction of R. solani AG8 with Medicago truncatula. RNAseq analysis of the moderately resistant M. truncatula accession A17 and highly susceptible sickle (skl) mutant (defective in ethylene sensing) identified major transcriptional reprogramming early in A17. Responses specific to A17 included components of ethylene signalling, numerous class IX ERF transcription factor family members, reactive oxygen species metabolism and consistent up-regulation of the isoflavonoid biosynthesis pathway. Mass-spectrometry revealed accumulation of the isoflavonoid related compounds liquiritigenin, formononetin, medicarpin and biochanin A in A17. Over-expression of an isoflavone synthase (IFS) in M. truncatula roots increased isoflavonoid accumulation and resistance to R. solani. Addition of exogenous medicarpin suggested this phytoalexin may be one of several isoflavonoids required to contribute to resistance to R. solani. Together these results provide evidence for the role of ethylene-mediated accumulation of isoflavonoids during defence against root pathogens in legumes.

2017-06-06 | GSE94260 | GEO

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