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Paenibacillus wynnii sp. nov., a novel species harbouring the nifH gene, isolated from Alexander Island, Antarctica

¹ Department of Biological and Biomedical Sciences, Glasgow Caledonian University, Cowcaddens Road, Glasgow G4 0BA, UK
² Vakgroep BFM WE10V, Laboratorium voor Microbiologie, Universiteit Gent, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium
³ Grupo de Microbiología Ambiental, Departamento de Microbiología, Campus de Cartuja s/n, Universidad de Granada, 18071 Granada, Spain

Correspondence
Niall A. Logan
N.A.Logan{at}gcal.ac.uk

Soil taken from 12 different locations at Mars Oasis on Alexander Island, Antarctica, yielded unidentified isolates of endospore-forming bacteria. Soil from four of the locations contained Gram-negative, facultatively anaerobic, motile rods that were able to grow at 4 °C and which formed ellipsoidal spores that lay paracentrally or subterminally in swollen or slightly swollen sporangia. All of the strains harboured the nitrogenase gene nifH. Phenotypic tests, amplified rDNA restriction analysis (ARDRA), fatty acid analysis and SDS-PAGE analysis suggested that the isolates represented a novel taxon of Paenibacillus. 16S rRNA gene sequence comparison supported the proposal of a novel species, Paenibacillus wynnii sp. nov. (type strain, LMG 22176^T=CIP 108306^T).

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA and nifH gene sequences of Paenibacillus wynnii LMG 22176^T are AJ633647 and AJ867247, respectively.

A map showing the location of Alexander Island, an additional phylogenetic tree based on nifH gene sequences, two tables detailing fatty acid content and a similarity matrix of nifH gene sequences of Paenibacillus species are available as supplementary material in IJSEM Online.

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