The present invention provides a newly isolated bacterial strain of Paenibacillus, designated Paenibacillus alvei strain TS-15 for use as a biocontrol agent in the inhibition and/or elimination of a human foodborne pathogen, e.g., Salmonella, on a plant or plant organ, e.g., a tomato or tomato plant. Strain TS-15 or mutants thereof may also be used in the control of plant pathogens.
