1887

Abstract

Phylogenetic 16S rRNA gene analysis was used to assign the bacterial leaf-nodulating endosymbionts of two tropical African species to the genus . The microsymbionts of the different hosts were recognized as distinct and novel species of on the basis of relatively low intersequence similarities and sufficiently large evolutionary distances when compared with each other and their closest validly named neighbours. The obligate endosymbiotic nature of the bacteria prevented their cultivation and the deposition of type strains to culture collections. Therefore, the provisional status is assigned to the bacterial partners of and , with the proposal of the names ‘ Burkholderia calva’ and ‘ Burkholderia nigropunctata’, respectively.

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2004-11-01
2019-10-24
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