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Updated: Nov 5, 2025

Cell-free Protein Expression Using the Rapidly Growing Bacterium Vibrio natriegens
Published on: March 14, 2019
Cellvibrio polysaccharolyticus sp. nov., a cellulolytic bacterium isolated from agricultural soil
Ákos Tóth1, Rózsa Máté2, József Kutasi2
1Research Group for Food Biotechnology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary.
Abstract:
A novel Gram-reaction-negative bacterial strain, designated Ka43T, 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 Cellvibrio diazotrophicus E50T. Cells of strain Ka43T are aerobic, motile, short rods. The major fatty acids are summed feature 3 (C16 : 1 ω7c and/or iso-C15 : 0 2-OH), C18 : 1 ω7c and C16 : 0. 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 Ka43T 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 Ka43T represents a novel species in the genus Cellvibrio, for which the name Cellvibrio polysaccharolyticus sp. nov. is proposed. The type strain of the species is strain Ka43T (=LMG 31577T=NCAIM B.02637T).
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