Plant growth promoting traits of selected psychrotolerant bacteria: a genomic basis of biocontrol, nutrient acquisition and stress tolerance.
Roopnarain A, Akindolire MA, Pellegrinetti TA, Rama H
Soil Health
Cold-hardy soil bacteria pulled from fermentation waste could one day replace chemical fertilizers in northern gardens and farms, helping crops push through chilly springs and late frosts without synthetic inputs.
Researchers found three types of bacteria that thrive in cold environments and also carry the genetic toolkit to help plants grow — providing nutrients, defending against disease, and reducing stress. These microbes were pulled from cold-climate waste material, a largely ignored source of beneficial bugs. One of the three turned out to be a brand-new bacterial species never formally described before.
Key Findings
All three bacteria carry plant-growth-promoting genes; Pseudomonas rhodesiae had the most extensive repertoire of plant-beneficial genes among the isolates
Cold-temperature anaerobic digestate (fermentation waste) was confirmed as a previously underexplored reservoir of agriculturally useful microbes
One isolate represents a putatively novel Acinetobacter species — the first genome-based characterization of a cold-tolerant member of this group
chevron_right Technical Summary
Scientists identified three cold-tolerant bacteria from waste digestate that carry genes enabling them to help plants grow, fight pathogens, and cope with stress — offering a promising new tool for sustainable farming in cold climates.
Abstract Preview
Psychrotolerant, plant growth promoting microorganisms represent valuable allies for sustainable agriculture in cold-stressed environments. This study employed whole-genome sequencing and comparati...
open_in_new Read full abstractAbstract copyright held by the original publisher.
Was this useful?
Chloroplast Genome Editing Eliminates Gluten Immunogenicity in Triticum aestivum
It could mean that people with celiac disease — roughly 1 in 100 worldwide — may one day safely eat bread made from real wheat, without sacrificing the taste...