Characterization of Bacillus thuringiensis ser. balearica (Serotype H48) and ser. novarrensis (Serotype H50): two novel serovars isolated in Spain
2000
Iriarte, J. | Dumanoir, V.C. | Bel, Y. | Porcar, M. | Ferrandis, M.D. | Lecadet, M.M. | Ferre, J. | Caballero, P.
The novel strains of Bacillus thuringiensis PM9 and NA69, isolated from soil samples in Spain, were classified and characterized in terms of their crystal proteins, plasmid profile, cry genes content, and their toxicological properties against several species of Lepidoptera, Coleoptera, and Diptera. Both strains share morphological and biochemical characteristics with previously described B. thuringiensis strains, although their unique H antigens identify them as two new serotypes. Two new serovar names, B. thuringiensis serovar balearica (H serotype 48) and B. thuringiensis serovar navarrensis (H serotype 50) are proposed for the type strains PM9 and NA69, respectively.
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