Millions of people in dry and semi-arid areas rely on pearl millet, scientifically known as Pennisetum glaucum, as a grain crop. However, the parasite Sclerospora graminicola, which causes downy mildew, dramatically reduces its output. The impact of downy mildew contamination on the chemical composition of millet and pearl inflorescence florets, namely floral deformity, is investigated in this research. Using cutting-edge metabolomic methods, we determined that the metabolite composition of diseased florets differed significantly from that of healthy controls. Levels of both primary and secondary metabolites changed, suggesting metabolic pathway disruption and stress reactions due to these alterations. Our research sheds light on the molecular mechanisms that cause floral malformation caused by downy mildew and could help in the quest to create tolerant pearl millet variants.
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No conflicts of interest are reported by the authors.
The author takes full responsibility for the entire study process, including design, data collection, analysis, and manuscript writing.
The authors received no financial support for the research, authorship, or publication of this article from any funding agencies.
No specific software or tools were used in the research.
I appreciate the assistance and expertise provided by everyone involved in this research and manuscript, and the valuable comments from peer reviewers.
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