Abstract：
Drought generates a complex scenario worldwide in which agriculture should urgently be reframed from an integrative point of view. It includes the search for new water resources and the use of tolerant crops and genotypes, improved irrigation systems, and other less explored alternatives that are very important, such as biotechnological tools that may increase the water use efficiency. Currently, a large body of evidence highlights the role of specific strains in the main microbial rhizosphere groups (arbuscular mycorrhizal fungi, yeasts, and bacteria) on increasing the drought tolerance of their host plants through diverse plant growth-promoting (PGP) characteristics. With this background, it is possible to suggest that the joint use of distinct PGP microbes could produce positive interactions or additive beneficial effects on their host plants if their co-inoculation does not generate antagonistic responses. To date, such effects have only been partially analyzed by using single omics tools, such as genomics, metabolomics, or proteomics. However, there is a gap of information in the use of multi-omics approaches to detect interactions between PGP and host plants. This approach must be the next scale-jump in the study of the interaction of soil-plant-microorganism. In this review, we analyzed the constraints posed by drought in the framework of an increasing global demand for plant production, integrating the important role played by the rhizosphere biota as a PGP agent. Using multi-omics approaches to understand in depth the processes that occur in plants in the presence of microorganisms can allow us to modulate their combined use and drive it to increase crop yields, improving production processes to attend the growing global demand for food.
摘要：
干旱在全球范围内产生了一种复杂的情况，在这种情况下，应立即从综合的角度重新调整农业。它包括寻找新的水资源和使用耐性作物和基因型，改善灌溉系统，以及其他较少探索的非常重要的替代方案，例如可以提高用水效率的生物技术工具。目前,大量证据强调了特定菌株在主要微生物根际类群中的作用(丛枝菌根真菌，酵母,和细菌）通过不同的植物生长促进（PGP）特性来提高其寄主植物的耐旱性。在这样的背景下,有可能表明，如果它们的共同接种不产生拮抗反应，则联合使用不同的PGP微生物可以对其寄主植物产生积极的相互作用或累加的有益作用。迄今为止,这种影响只通过使用单一组学工具进行了部分分析，比如基因组学，代谢组学，或蛋白质组学。然而,在使用多组学方法检测PGP与寄主植物之间的相互作用方面存在信息空白。这种方法必须是研究土壤-植物-微生物相互作用的下一个规模跃迁。在这次审查中,我们在全球植物生产需求增加的框架内分析了干旱带来的制约因素，整合根际生物群作为PGP因子的重要作用。使用多组学方法深入了解在微生物存在下植物中发生的过程，可以使我们能够调节它们的组合使用并推动其提高作物产量，改善生产工艺，以应对日益增长的全球食品需求。
