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Muricauda lutisoli sp. nov., isolated from mudflat.
Jiseon Jeong1, Veeraya Weerawongwiwat1, Jong-Hwa Kim1
1Department of Microbiology, College of Medicine, Chung-Ang University, Seoul, Republic of Korea.
Archives of Microbiology
|August 19, 2022
Summary
A novel bacterium, Muricauda lutisoli sp. nov., was discovered in a Korean mudflat. This Gram-negative rod expands the known diversity within the Muricauda genus, offering new insights into microbial ecosystems.
Area of Science:
- Microbiology
- Bacteriology
- Environmental Science
Background:
- The genus Muricauda comprises marine bacteria with diverse ecological roles.
- Understanding bacterial diversity in marine environments is crucial for ecological studies.
Purpose of the Study:
- To isolate and characterize a novel bacterial strain from a mudflat sample.
- To determine the taxonomic position of the novel strain using phylogenetic and genomic analyses.
Main Methods:
- Isolation and cultivation of bacteria from marine sediment.
- 16S rRNA gene sequencing and core gene phylogenetic analysis.
- Genome sequencing and analysis of chemotaxonomic features (fatty acids, polar lipids, respiratory quinones).
Main Results:
- A novel Gram-negative, nonmotile, rod-shaped bacterium, strain CAU 1631T, was isolated.
- Phylogenetic analyses placed strain CAU 1631T within the genus Muricauda, closely related to M. oceanensis and M. lutimaris.
- Genomic data revealed a 3.4 Mb genome with 43.3% DNA G+C content, and chemotaxonomic analysis identified major fatty acids and polar lipids.
Conclusions:
- Strain CAU 1631T represents a new species, Muricauda lutisoli sp. nov.
- The findings contribute to the understanding of Muricauda diversity and bacterial taxonomy in marine environments.
