Related Experiment Video
Updated: Aug 7, 2026

Transforming, Genome Editing and Phenotyping the Nitrogen-fixing Tropical Cannabaceae Tree Parasponia andersonii
Published on: August 18, 2019
Pleomorphomonas koreensis sp. nov., a nitrogen-fixing species in the order Rhizobiales
Wan-Taek Im1, Seong-Hye Kim1, Myung Kyum Kim1
1Environmental and Molecular Microbiology Laboratory, Department of Biological Sciences, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, South Korea.
Abstract:
A Gram-negative, non-motile, non-spore-forming, rod-shaped bacterium (strain Y9(T)) was isolated from a contaminated culture of the phototrophic bacterium Rhodopseudomonas palustris, and was investigated using a polyphasic taxonomic approach. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain Y9(T) belonged to the order Rhizobiales in the Alphaproteobacteria. Comparison of phylogenetic data indicated that it was most closely related to Pleomorphomonas oryzae (98.5 % similarity of 16S rRNA gene sequence), and the phylogenetic distance from any other species of the order Rhizobiales with a validly published name was greater than 7.5 % (i.e. less than 92.5 % similarity). The predominant ubiquinone was Q-10 and the major fatty acids were C(18 : 1), C(16 : 0), C(19 : 0) cyclo omega8c and C(18 : 0). The G+C content of genomic DNA of strain Y9(T) was 65.1 mol%. The results of DNA-DNA hybridization in combination with chemotaxonomic and physiological data demonstrated that strain Y9(T) represents a novel species within the genus Pleomorphomonas, for which the name Pleomorphomonas koreensis sp. nov. is proposed. The type strain is Y9(T) (=KCTC 12246(T)=NBRC 100803(T)).
More Related Videos
10:58Plant Promoter Analysis: Identification and Characterization of Root Nodule Specific Promoter in the Common Bean
Published on: December 23, 2017
20:01Single-plant, Sterile Microcosms for Nodulation and Growth of the Legume Plant Medicago truncatula with the Rhizobial Symbiont Sinorhizobium meliloti
Published on: October 1, 2013
Related Concept Videos
Inorganic Nitrogen Assimilation
Bacterial Phylum Proteobacteria
Microbes and the Nitrogen Cycle
The Roles of Bacteria and Fungi in Plant Nutrition
Bacterial Phylum Planctomycetes
Bacterial Phylum Actinobacteria