Transfer of Bacillus lentimorbus and bacillus popilliae to the genus paenibacillus with emended descriptions of paenibacillus lentimorbus comb. nov. and Paenibacillus popilliae comb. nov.

Bertil Pettersson, Karen E. Rippere, Allan A. Yousten, Fergus G. Priest

    Research output: Contribution to journalArticle

    62 Citations (Scopus)

    Abstract

    Almost complete 16S rRNA gene sequences were generated for the type strains of the obligate insect pathogens Bacillus lentimorbus and Bacillus popilliae and a second strain of Bacillus popilliae (NRRL B-4081) received as 'Bacillus popilliae var. melolonthae'. A phylogenetic tree was constructed which grouped these strains into a well defined subcluster within the genus Paenibacillus. Bacillus popilliae NRRL B-4081 occupied an intermediate position between the type strains of Bacillus lentimorbus and Bacillus popilliae but with a marked clustering to the latter. The phylogenetic assignment of these strains to Paenibacillus is in contrast to earlier studies which placed these bacteria in the genus Bacillus, close to Bacillus subtilis. Indeed, the rRNA sequences generated in this study share less than 88% similarity to the deposited sequences for Bacillus popilliae ATCC 14706(T) and Bacillus lentimorbus ATCC 14707(T). The results obtained by using different tree algorithms, bootstrap analysis, branch lengths and verification by signature nucleotide analysis supported the reclassification of these species in the genus Paenibacillus as Paenibacillus lentimorbus comb. nov. and Paenibacillus popilliae comb. nov.

    Original languageEnglish
    Pages (from-to)531-540
    Number of pages10
    JournalInternational Journal of Systematic Bacteriology
    Volume49
    Issue number2
    Publication statusPublished - Apr 1999

    Keywords

    • 16S rRNA
    • Insect pathogens
    • Paenibacillus lentimorbus comb. nov.
    • Paenibacillus popilliae comb. nov.

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