A novel Gram-reaction-negative bacterial strain, designated Ka43, was isolated from agricultural soil and characterised using a polyphasic approach to determine its taxonomic position. On the basis of 16S rRNA gene sequence analysis, the strain shows highest similarity (97.1 %) to E50. Cells of strain Ka43 are aerobic, motile, short rods. The major fatty acids are summed feature 3 (C 7 and/or iso-C 2-OH), C 7 and C. The only isoprenoid quinone is Q-8. The polar lipid profile includes phosphatidylethanolamine, phosphatidylglycerol, four phospholipids, two lipids and an aminolipid. The assembled genome of strain Ka43 has a total length of 4.2 Mb and the DNA G+C content is 51.6 mol%. Based on phenotypic data, including chemotaxonomic characteristics and analysis of the 16S rRNA gene sequences, it was concluded that strain Ka43 represents a novel species in the genus , for which the name sp. nov. is proposed. The type strain of the species is strain Ka43 (=LMG 31577=NCAIM B.02637).

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http://dx.doi.org/10.1099/ijsem.0.004805DOI Listing

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sp. nov., a cellulolytic bacterium isolated from agricultural soil.

Int J Syst Evol Microbiol

May 2021

Research Group for Food Biotechnology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary.

A novel Gram-reaction-negative bacterial strain, designated Ka43, was isolated from agricultural soil and characterised using a polyphasic approach to determine its taxonomic position. On the basis of 16S rRNA gene sequence analysis, the strain shows highest similarity (97.1 %) to E50.

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