ArticleBMC genomics2022
Comparative genome analysis unravels pathogenicity of Xanthomonas albilineans causing sugarcane leaf scald disease.
Article in BMC genomics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 16 citations in OpenAlex.
- Microbial communities and pharmaceutical contaminants in the water-soil-plant continuum of sugarcane crops irrigated with contaminated waters from the Cauca River Valley, Colombia.Environmental science and pollution research international · 2026Article
- Review
- Genomic Islands of Pseudomonas syringae pv. tabaci 6605: Identification of PtaGI-1 as a Pathogenicity Island With Effector Genes and a Tabtoxin Cluster.Molecular plant pathology · 2025Article
- Recent Advances in Sugarcane Leaf Scald Disease: Pathogenic Insights and Sustainable Management Approaches.Plants (Basel, Switzerland) · 2025Review
- Gene editing to enhance biotic stress tolerance in sugarcane.Frontiers in plant science · 2025Article
- VirB11, a traffic ATPase, mediated flagella assembly and type IV pilus morphogenesis to control the motility and virulence of Xanthomonas albilineans.Molecular plant pathology · 2024Article
- Identification of candidate single-nucleotide polymorphisms (SNPs) and genes associated with sugarcane leaf scald disease.Scientific reports · 2024Article
- Transmission of Xanthomonas albilineans by the spittlebug, Mahanarva fimbriolata (Hemiptera: Cercopidae), in Brazil: first report of an insect vector for the causal agent of sugarcane leaf scald.Journal of insect science (Online) · 2023Article
- Genome Organization of Four Brazilian Xanthomonas albilineans Strains Does Not Correlate with Aggressiveness.Microbiology spectrum · 2023Article
- Genetic Divergence and Population Structure ofPlants (Basel, Switzerland) · 2023Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
backgroundXanthomonas is a genus of gram-negative bacterium containing more than 35 species. Among these pathogenic species, Xanthomonas albilineans (Xal) is of global interest, responsible for leaf scald disease in sugarcane. Another notable Xanthomonas species is Xanthomonas sachari (Xsa), a sugarcane-associated agent of chlorotic streak disease.
resultThe virulence of 24 Xanthomonas strains was evaluated by disease index (DI) and Area Under Disease Progress Curve (AUDPC) in the susceptible inoculated plants (GT 46) and clustered into three groups of five highly potent, seven mild virulent, and twelve weak virulent strains. The highly potent strain (X. albilineans, Xal JG43) and its weak virulent related strain (X. sacchari, Xsa DD13) were sequenced, assembled, and annotated in the circular genomes. The genomic size of JG43 was smaller than that of DD13. Both strains (JG43 and DD13) lacked a Type III secretory system (T3SS) and T6SS. However, JG43 possessed Salmonella pathogenicity island-1 (SPI-1). More pathogen-host interaction (PHI) genes and virulent factors in 17 genomic islands (GIs) were detected in JG43, among which six were related to pathogenicity. Albicidin and a two-component system associated with virulence were also detected in JG43. Furthermore, 23 Xanthomonas strains were sequenced and classified into three categories based on Single Nucleotide Polymorphism (SNP) mutation loci and pathogenicity, using JG43 as a reference genome. Transitions were dominant SNP mutations, while structural variation (SV) is frequent intrachromosomal rearrangement (ITX). Two essential genes (rpfC/rpfG) of the two-component system and another gene related to SNP were mutated to understand their virulence effect. The mutation of rpfG resulted in a decrease in pathogenicity.
conclusionThese findings revealed virulence of 24 Xanthomonas strains and variations by 23 Xanthomonas strains. We sequenced, assembled, and annotated the circular genomes of Xal JG43 and Xsa DD13, identifying diversity detected by pathogenic factors and systems. Furthermore, complete genomic sequences and sequenced data will provide a theoretical basis for identifying pathogenic factors responsible for sugarcane leaf scald disease.
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