ArticleBMC genomics2021
Comparative genome analyses of four rice-infecting Rhizoctonia solani isolates reveal extensive enrichment of homogalacturonan modification genes.
Article in BMC genomics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 11 papers.
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11 citing papers in PubMed, 26 citations in OpenAlex.
- Time-Course Comparative Transcriptomics Between Isolates ofJournal of fungi (Basel, Switzerland) · 2026Article
- Cinchona-based liquid formulation exhibits antifungal activity through Tryptophan starvation and disruption of mitochondrial respiration in Rhizoctonia Solani.Scientific reports · 2025Article
- Revisiting the emerging pathosystem of rice sheath blight: deciphering theFrontiers in plant science · 2024Article
- Multiomics analysis reveals the molecular mechanisms underlying virulence in Rhizoctonia and jasmonic acid-mediated resistance in Tartary buckwheat (Fagopyrum tataricum).The Plant cell · 2023Article
- Heritability and gene functions associated with sclerotia formation ofMicrobial genomics · 2023Article
- Evolution of pathogenicity-associated genes in Rhizoctonia solani AG1-IA by genome duplication and transposon-mediated gene function alterations.BMC biology · 2023Article
- Global distribution, traditional and modern detection, diagnostic, and management approaches ofFrontiers in microbiology · 2022Review
- Pangenome Analysis of the Soilborne Fungal PhytopathogenFrontiers in microbiology · 2022Article
- Improving the Genome Annotation ofCurrent genomics · 2021Article
- Correction to: Comparative genome analyses of four rice-infecting Rhizoctonia solani isolates reveal extensive enrichment of homogalacturonan modification genes.BMC genomics · 2021Article
- Comparative Mitogenomic Analysis and the Evolution ofFrontiers in microbiology · 2021Article
Corrections and comments
- Erratum issued
Authors and funding
13 authors at 6 institutions in 6 countries.
Funding
Abstract
backgroundPlant pathogenic isolates of Rhizoctonia solani anastomosis group 1-intraspecific group IA (AG1-IA) infect a wide range of crops causing diseases such as rice sheath blight (ShB). ShB has become a serious disease in rice production worldwide. Additional genome sequences of the rice-infecting R. solani isolates from different geographical regions will facilitate the identification of important pathogenicity-related genes in the fungus.
resultsRice-infecting R. solani isolates B2 (USA), ADB (India), WGL (India), and YN-7 (China) were selected for whole-genome sequencing. Single-Molecule Real-Time (SMRT) and Illumina sequencing were used for de novo sequencing of the B2 genome. The genomes of the other three isolates were then sequenced with Illumina technology and assembled using the B2 genome as a reference. The four genomes ranged from 38.9 to 45.0 Mbp in size, contained 9715 to 11,505 protein-coding genes, and shared 5812 conserved orthogroups. The proportion of transposable elements (TEs) and average length of TE sequences in the B2 genome was nearly 3 times and 2 times greater, respectively, than those of ADB, WGL and YN-7. Although 818 to 888 putative secreted proteins were identified in the four isolates, only 30% of them were predicted to be small secreted proteins, which is a smaller proportion than what is usually found in the genomes of cereal necrotrophic fungi. Despite a lack of putative secondary metabolite biosynthesis gene clusters, the rice-infecting R. solani genomes were predicted to contain the most carbohydrate-active enzyme (CAZyme) genes among all 27 fungal genomes used in the comparative analysis. Specifically, extensive enrichment of pectin/homogalacturonan modification genes were found in all four rice-infecting R. solani genomes.
conclusionFour R. solani genomes were sequenced, annotated, and compared to other fungal genomes to identify distinctive genomic features that may contribute to the pathogenicity of rice-infecting R. solani. Our analyses provided evidence that genomic conservation of R. solani genomes among neighboring AGs was more diversified than among AG1-IA isolates and the presence of numerous predicted pectin modification genes in the rice-infecting R. solani genomes that may contribute to the wide host range and virulence of this necrotrophic fungal pathogen.
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