The advances in molecular tools like genome editing, genome-wide association studies, and genomics selection in conjunction with multifaceted pan-omics data significantly aid in the accelerated improvement of tobacco which is frequently termed as the “golden crop” and stands out as an important commercial crop worldwide. Valued not only for its economic significance that fosters growth for millions of farmers but also as a pivotal area of plant research, the enhancement of its resilience to biotic and abiotic stresses, augmentation of yield, the reduction of harmful constituents, and the improvement of the overall quality and productivity is needed in this crop. Meta-omics, comprising metagenomics, metatranscriptomics, metaproteomics, and metametabolomics, serves as a comprehensive strategy that provides novel avenues for improving traits and the reduction of harmful constituents in tobacco. The metadata facilitates the identification of distinct microbial communities associated with tobacco at different stages and their functions in several essential metabolic processes such as enhanced nutrient uptake and improved stress resistance, which are crucial for optimizing tobacco growth. Furthermore, metametabolomics offers significant insights into the chemical metabolites of tobacco plants and their associated microbial communities. This facilitates to design strategies to enhance the desirable traits such as nicotine content, sugars, flavor, and aroma, which are essential quality attributes of tobacco. The prospective advancements in pan-omics metadata pertaining to tobacco across different types and stages will enhance the precise customization of traits, facilitating the creation of climate-resilient tobacco that is appropriate for industrial use and relatively safer tobacco with reduced harmful constituents.

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Meta-omics in Tobacco: Spearheading for Trait Tailoring

  • K. Prabhakara Rao,
  • P. Venkata Diwakar,
  • Bishnupriya Gouda,
  • K. Sarala,
  • M. Sheshu Madhav

摘要

The advances in molecular tools like genome editing, genome-wide association studies, and genomics selection in conjunction with multifaceted pan-omics data significantly aid in the accelerated improvement of tobacco which is frequently termed as the “golden crop” and stands out as an important commercial crop worldwide. Valued not only for its economic significance that fosters growth for millions of farmers but also as a pivotal area of plant research, the enhancement of its resilience to biotic and abiotic stresses, augmentation of yield, the reduction of harmful constituents, and the improvement of the overall quality and productivity is needed in this crop. Meta-omics, comprising metagenomics, metatranscriptomics, metaproteomics, and metametabolomics, serves as a comprehensive strategy that provides novel avenues for improving traits and the reduction of harmful constituents in tobacco. The metadata facilitates the identification of distinct microbial communities associated with tobacco at different stages and their functions in several essential metabolic processes such as enhanced nutrient uptake and improved stress resistance, which are crucial for optimizing tobacco growth. Furthermore, metametabolomics offers significant insights into the chemical metabolites of tobacco plants and their associated microbial communities. This facilitates to design strategies to enhance the desirable traits such as nicotine content, sugars, flavor, and aroma, which are essential quality attributes of tobacco. The prospective advancements in pan-omics metadata pertaining to tobacco across different types and stages will enhance the precise customization of traits, facilitating the creation of climate-resilient tobacco that is appropriate for industrial use and relatively safer tobacco with reduced harmful constituents.