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Int J Syst Evol Microbiol. 2018 Dec;68(12):3935-3941. doi: 10.1099/ijsem.0.003094. Epub 2018 Nov 5.

Sphingopyxis lindanitolerans sp. nov. strain WS5A3pT enriched from a pesticide disposal site.

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1​Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland.
2​Faculty of Biology, Institute of Genetics and Biotechnology, University of Warsaw, Pawinskiego 5a, 02-106 Warsaw, Poland.
3​Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.


An aerobic, Gram-stain-negative, rod-shaped, non-motile, mesophilic soil bacterium, strain WS5A3pT, was isolated from a pesticide burial site in north-west Poland. The strain grew at 12-37 °C, at pH 8-9 and with 0-2 % (w/v) NaCl. The main fatty acids detected in WS5A3pT were summed feature 3, summed feature 8 and C16 : 0. The major respiratory quinone was Q-10 and major polar lipids were phosphatidylethanolamine, sphingoglycolipid and phosphatidylglycerol. The G+C content of the genome was 65.1 mol%. Phylogenetic pairwise distance analysis of the 16S rRNA gene placed this strain within the genus Sphingopyxis, with the highest similarity to Sphingopyxis witflariensis W-50T (98.8 %), Sphingopyxis bauzanensis BZ30T and Sphingopyxis ginsengisoli Gsoil 250T (98.3 %) and Sphingopyxis granuli NBRC 100800T (98.09 %). Genomic similarity analyses using ANIb and dDDH algorithms indicated levels of similarity of 81.44, 80.84 and 81.16 % between WS5A3pT and S. witflariensis, S. bauzanensisand S. granuli, respectively for average nucleotide identity and 25.90, 25.00 and 26.10 % for digital DNA-DNA hybridization. Based on the phylogenetic and phenotypic data, strain WS5A3pT should be considered as a representative of a novel Sphingopyxis species. The name Sphingopyxis lindanitolerans sp. nov. is proposed with the type strain WS5A3pT (=DSM 106274T=PCM 2932T).


Sphingopyxis lindanitolerans; genome sequence; pesticide; soil

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