Publication details

Pedobacter jamesrossensis sp. nov., Pedobacter lithocola sp. nov., Pedobacter mendelii sp. nov. and Pedobacter petrophilus sp. nov., isolated from the Antarctic environment

Authors

ŠVEC Pavel KRÁLOVÁ Stanislava BUSSE Hans-Jürgen KLEINHAGAUER Tanita PANTŮČEK Roman MAŠLAŇOVÁ Ivana CNOCKAERT Margo VANDAMME Peter STAŇKOVÁ Eva GELBÍČOVÁ Tereza HOLOCHOVÁ Pavla BARTÁK Miloš KÝROVÁ Kamila SEDLÁČEK Ivo

Year of publication 2017
Type Article in Periodical
Magazine / Source International Journal of Systematic and Evolutionary Microbiology
MU Faculty or unit

Faculty of Science

Citation
Web http://ijs.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.001749
Doi http://dx.doi.org/10.1099/ijsem.0.001749
Field Microbiology, virology
Keywords Pedobacter jamesrossensis sp nov.; Pedobacter lithocola sp nov.; Pedobacter mendelii sp nov.; Pedobacter petrophilus sp nov.; James Ross Island; Antarctica
Attached files
Description A taxonomic study performed on 17 Gram-stain-negative rod-shaped bacterial strains originating from the Antarctic environment is described. Initial phylogenetic analysis using 16S rRNA gene sequencing differentiated the strains into four groups belonging to the genus Pedobacter but they were separated from all hitherto described Pedobacter species. Group I (n=8) was closest to Pedobacter aquatilis (97.8% 16S rRNA gene sequence similarity). Group II (n=2) and group III (n=4) were closely related (98.8% 16S rRNA gene sequence similarity) and had Pedobacter jejuensis as their common nearest neighbour. Group IV (n=3) was distantly delineated from the remaining Pedobacter species. Differentiation of the analysed strains into four clusters was further confirmed by repetitive sequence-based PCR fingerprinting, ribotyping, DNA–DNA hybridization and phenotypic traits. Common to representative strains for the four groups were the presence of major menaquinone MK-7, sym-homospermidine as the major polyamine, phosphatidylethanolamine, two unidentified lipids (L2, L5) and an unidentified aminolipid (AL2) as the major polar lipids, presence of an alkali-stable lipid, and C16:1omega7c/C16:1omega6c (summed feature 3), iso-C15:0 and iso-C 17:0 3-OH as the major fatty acids, which corresponded to characteristics of the genus Pedobacter. The obtained results showed that the strains analysed represent four novel species of the genus Pedobacter, for which the names Pedobacter jamesrossensis sp. nov. (type strain CCM 8689T=LMG 29684T), Pedobacter lithocola sp. nov. (CCM 8691T=LMG 29685T), Pedobacter mendelii sp. nov. (CCM 8685T=LMG 29688T) and Pedobacter petrophilus sp. nov. (CCM 8687T=LMG 29686T) are proposed.
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