Bacterial endophyte solutions for enhanced crop yield and quality across multiple plant hosts

Overview

This solution offers a curated collection of beneficial bacterial endophytes—microorganisms that live inside plant tissues and promote growth—with demonstrated ability to colonize multiple crop species beyond their original isolation host. While host specificity is common among plant-associated bacteria (such as Rhizobium spp. nodulating legumes), this research shows that many plant growth-promoting (PGP) bacterial strains can break or circumvent host specificity, positively influencing diverse crop yields.

The offering addresses a key challenge in sustainable agriculture: improving both the quantity and quality of crop production, including nutritional and bioactive compound content, through biological means. This approach reduces dependence on chemical fertilizers and supports environmentally responsible farming practices.

Technical specifications

Key capabilities and features:

• Broad-host colonization: Endophytes originally isolated from specific crops have been shown to successfully colonize roots of tomato, pepper, strawberry, wheat, maize, cilantro, spinach, canola, soybean, and other crops
• Multifunctional PGP traits: Strains display plant growth-promoting properties including nitrogen fixation, nutrient solubilization, and stress tolerance enhancement
• Quality enhancement: Beyond yield increases, the bacteria improve nutritional and bioactive compound content in harvested crops
• Collection of maize endophytes: Partially characterized bacterial strains from fields with cereal-legume cultivation history, with ongoing full genomic identification and trait characterization
• Advanced validation methods: Root colonization confirmed through confocal scanning laser microscopy (CSLM), scanning electron microscopy (SEM), and transmission electron microscopy (TEM)
• Cross-host testing pipeline: Greenhouse and field assays targeting maize, soybean, wheat, and canola based on their agro-economic importance

Technology readiness level

The technology is at an advanced research and validation stage. Previous studies have demonstrated successful cross-host colonization and yield improvements across multiple crop types. The current collection of maize bacterial endophytes is partially characterized for in vitro PGP traits, with full genomic characterization and genome mining underway. Greenhouse and field validation trials are planned over a two-year timeline. The research group seeks partnership support for genome sequencing, field testing, and funding for personnel and project activities to advance toward broader agricultural deployment.