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Climate Warming and Plant Disease: Mechanistic Insights Into Pathogenic Stress Resilience.

Chauhan PK, Tomar S, Kumari S, Srivastava AK

Climate Adaptation

The tomatoes, squash, and herbs you're nursing through a hotter, wetter summer are facing a gauntlet of fungi and bacteria that thrive in exactly those conditions — and the soil microbes living around your plants' roots may be their best natural shield.

Warmer, wetter weather is creating perfect conditions for the fungi, bacteria, and other organisms that make plants sick. Scientists reviewed how tiny microbes that live in the soil around plant roots can actually help plants fight off these threats — almost like giving them a vaccine. They also found that new gene-editing technologies can be used to weaken the disease-causing organisms themselves, offering a two-pronged approach to keeping crops healthy in a changing climate.

Key Findings

1

Root-adhering microbes (RAM) and engineered microbial consortia can simultaneously trigger two distinct plant immune pathways — induced systemic resistance and systemic acquired resistance — improving tolerance to multiple stresses at once.

2

CRISPR/Cas9 and RNA interference (RNAi) technologies can precisely disable pathogen virulence genes and fine-tune host defense pathways, accelerating development of disease-resistant crop varieties.

3

Rising temperature, humidity, and shifting precipitation patterns are collectively intensifying plant disease pressure and driving significant crop losses worldwide, making these combined microbe-plus-molecular strategies increasingly urgent.

chevron_right Technical Summary

As global temperatures rise, plant diseases are spreading faster and hitting harder — but researchers have mapped two promising defenses: beneficial soil bacteria that boost plants' natural immunity, and gene-editing tools that can disable pathogens at the molecular level.

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Abstract Preview

Climate warming is rapidly reshaping plant-pathogen interactions, leading to increased disease incidence and substantial crop losses worldwide. This review examines how rising temperature, humidity...

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