leuconostoc carnosum leuconostoc carnosum leuconostoc carnosum is a lactic acid bacterium; its type strain is ncfb 2776. its genome has been sequenced. its name derives from the fact that it was first isolated from chill-stored meats. its significance is that it thrives in anaerobic environments with a temperature around 2 °c, thus has been known to spoil vacuum-packed meat, yet it is not pathogenic and certain strains of l. carnosum are known to produce bactericides known to inhibit or kill listeria monocytogenes. leuconostoc carnosum scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: lactobacillaceae genus: leuconostoc species: l. carnosum binomial name leuconostoc carnosumshaw and harding 1989