Chauhan, Upadhyay, et al (2024) Fostering plant growth performance under drought stress using rhizospheric microbes, their gene editing, and biocharBiochar is a carbon-rich material created from biomass decomposition in low-oxygen conditions. It has important applications in environmental remediation, soil improvement, agriculture, carbon sequestration, energy storage, and sustainable materials, promoting efficiency and reducing waste in various contexts while addressing climate change challenges. More. Environmental Geochemistry and Health, Vol 46. https://doi.org/10.1007/s10653-023-01823-1

Drought, a silent saboteur of agricultural productivity, casts a long shadow on global food security. While plants possess intricate drought tolerance mechanisms, the searing grip of water scarcity often pushes them to their limits. To combat this, researchers are turning to the green revolution’s unsung heroes – microbes – and the cutting-edge precision of gene editing.

Plant growth-promoting rhizobacteria (PGPR), nature’s resident soil microbials, have emerged as promising drought-warriors. These beneficial bacteria bolster plant growth and immunity through mineralization, phytostimulation, and biocontrol. By manipulating and optimizing PGPR consortia, scientists are unlocking their potential to mitigate drought stress in crops.

Beyond the microscopic realm, CRISPR/Cas9 gene editing offers a futuristic weapon in the fight against drought. By tweaking specific genes, researchers can enhance a plant’s inherent drought tolerance, giving it the edge during dry spells.

The path to conquering drought demands an integrated approach. Combining the targeted precision of CRISPR editing with the ecological benefits of PGPR manipulation can pave the way for sustainable agricultural practices. Such interventions hold the key to safeguarding crop yields, ensuring food security, and aligning with the United Nations Sustainable Development Goals.