Paenibacillus mendelii sp. nov., from surface-sterilized seeds of Pisum sativum L.

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Abstract
A Gram-variable, facultatively anaerobic, endospore-forming bacterium was isolated from surface-sterilized seeds of the garden pea and characterized with phenotypic and molecular methods. A PCR with thePaenibacillus-specific primer PAEN515F and the 16S rRNA gene sequence indicated that strain C/2Tbelongs to the genusPaenibacillusand is closely related toPaenibacillus phyllosphaerae(94·0 % sequence similarity). Strain C/2Tgenerated a unique phenotypic profile, in particular for the production of acid from substrates. The DNA G+C content (50·8 mol%) and the major fatty acid (anteiso-C15 : 0) are consistent with the genusPaenibacillus. DNA–DNA hybridization distinguished strain C/2Tfrom other phylogenetically relatedPaenibacillusspecies and, therefore, strain C/2T(=CCM 4839T=LMG 23002T) is here described as the type strain of a novel species, for which the namePaenibacillus mendeliisp. nov. is proposed.

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