ArticleScientific reports2023
Ceratobasidium sp. is associated with cassava witches' broom disease, a re-emerging threat to cassava cultivation in Southeast Asia.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 18 citations in OpenAlex.
- Adding Value to Cassava Genetic Resources Conserved at CIAT-Part I: A Review of Fifty Years of Collection, Conservation, Characterization and Distribution.Plants (Basel, Switzerland) · 2026Review
- Mixed-Pathogen Infections in Vegetatively Propagated Crops: From Biological Synergism to Integrated Management.Plants (Basel, Switzerland) · 2026Review
- Genomic insights intoMicrobiology spectrum · 2026Article
- Association ofFrontiers in plant science · 2026Article
- Genome analysis ofFrontiers in fungal biology · 2026Article
- Geographic Distribution Pattern Determines Soil Microbial Community Assembly Process inMicroorganisms · 2024Article
- Parental assigned chromosomes for cultivated cacao provides insights into genetic architecture underlying resistance to vascular streak dieback.The plant genome · 2024Article
- Single torradovirus infections explain the mysterious cassava frogskin disease in the Americas.Scientific reports · 2024Article
- Isolation, genome analysis and tissue localization of Ceratobasidium theobromae, a new encounter pathogen of cassava in Southeast Asia.Scientific reports · 2024Article
- Status of Cassava Witches' Broom Disease in the Philippines and Identification of Potential Pathogens by Metagenomic Analysis.Biology · 2024Article
- Cassava Breeding and Cultivation Challenges in Thailand: Past, Present, and Future Perspectives.Plants (Basel, Switzerland) · 2024Review
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11 authors at 5 institutions in 5 countries.
Funding
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Abstract
Cassava witches' broom disease (CWBD) is a devastating disease of cassava in Southeast Asia (SEA), of unknown etiology. Affected plants show reduced internodal length, proliferation of leaves and weakening of stems. This results in poor germination of infected stem cuttings (i.e., planting material) and significant reductions in fresh root yields and starch content, causing economic losses for farmers and processors. Using a metagenomic approach, we identified a fungus belonging to the Ceratobasidium genus, sharing more than 98.3-99.7% nucleotide identity at the Internal Transcribed Spacer (ITS), with Ceratobasidium theobromae a pathogen causing similar symptoms in cacao. Microscopy analysis confirmed the identity of the fungus and specific designed PCR tests readily showed (1) Ceratobasidium sp. of cassava is strongly associated with CWBD symptoms, (2) the fungus is present in diseased samples collected since the first recorded CWBD outbreaks in SEA and (3) the fungus is transmissible by grafting. No phytoplasma sequences were detected in diseased plants. Current disease management efforts include adjustment of quarantine protocols and guarantee the production and distribution of Ceratobasidium-free planting material. Implications of related Ceratobasidium fungi, infecting cassava, and cacao in SEA and in other potential risk areas are discussed.
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