ArticleJournal, genetic engineering & biotechnology2024
Comprehensive virome profiling of sugarcane and simplified duplex OneStep RT-PCR assay reveals the prevalence of sugarcane streak mosaic virus along with sugarcane yellow leaf virus in India.
Article in Journal, genetic engineering & biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- A model-guided alternating high-temperature thermotherapy achieves complete eradication of sugarcane mosaic virus and preserves physiological integrity inFrontiers in plant science · 2026Article
- Discovery of novel 'sugarcane totivirus 1' from Saccharum officinarum by high-throughput sequencing.Molecular biology reports · 2025Article
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8 authors.
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Abstract
backgroundSugarcane is host of many viral pathogens that affects its growth and productivity. High-throughput sequencing (HTS) is comprehensive diagnostic platform that permit the precise detection of viral pathogens to resolve the disease epidemiology of the crop, thus providing the phytosanitary status of plants. The current work was designed to comprehend the virome profiling of sugarcane belonging to five varieties collected from the major crop producing states in India. Additionally, a duplex OneStep RT-PCR assay was optimized for simplified detection of prevalent viruses in single reaction run along with validation and confirmation of HTS results.
resultsThe complete genome sequences of sugarcane streak mosaic virus (SCSMV), sugarcane yellow leaf virus (SCYLV) and sugarcane mosaic virus (SCMV) consisted of 9790, 5849 and 9600 nucleotides (nt) respectively were obtained excluding 5' UTR and 3' poly (A) tail from sugarcane samples belonging to different varieties. SCSMV and SCMV had single ORF encoding 3130 and 3063 amino acids (aa) respectively, whereas SCYLV genome comprised of six ORFs. The proteolytic cleavage sites in polyprotein region of SCSMV and SCMV revealed the unique amino acid motifs. SCSMV generated the highest number of single nucleotide variants (SNVs) 876 suggesting that it is more susceptible to mutations than other elucidated viruses in HTS. Recombination events revealed the origin of SCSMV_UP isolate from Indian and Iranian isolates as major and minor parents respectively. Further, validation assay by simplified duplex OneStep RT-PCR revealed the prevalence of SCSMV and SCYLV as mixed infection in sugarcane samples with 28 % incidence. The assay could detect the viruses up to 100 pg/µL of RNA concentration.
conclusionThe first comprehensive report of sugarcane virome and use of an optimized duplex OneStep RT-PCR assay revealed the prevalence of SCSMV and SCYLV in sugarcane from India. The study also provides an insight into genetic variations in the coding region of SCSMV and SCMV and emergence of diverse variants present in a viral population. A simplified duplex OneStep RT-PCR assay for simultaneous and expeditious detection of prevalent viruses in sugarcane would be useful in certification programme for production of virus-free planting materials.
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